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Shop By Brand

The Following brands are available based on your search.

  • Gates
    Gates
  • Stant
    Stant

Best Selling Genuine Western Star Thermostats

  • We Stock the following top leading brands, including Stant, Gates
  • Constantly Updated Inventory of Western Star Replacement Thermostat Parts

We stock Thermostat parts for most Western Star models, including 3700, 3800, 4700, 4800, 4900, 4900E, 4900EX, 4900FA, 4900SA, 5800, 5900, 6900, 6900XD.

Stant
1995 Western Star 3800 Engine Coolant Thermostat 6 Cyl 10.8L Stant - Heavy-Duty Thermostat

P311-10B9A76    14539  New

613090 , 32249 , 7C3095 , 23504472 , 23504474 , 23504473 , 12TH8E , 4047-90 , 880090 , 0199221 , 110110007 , 33579 , 707-195 , 451-190 , 211887E , 199221 , 4509

Qty:
$23.76
Stant Engine Coolant Thermostat
  • Temperature 190 Degrees With Seal Included
  • Heavy-Duty Thermostat
  • Heavy Duty thermostat. Made of durable material for a long lasting, trouble free life. Stainless steel assembly engineered for a smooth performance.
Brand: Stant
Additional Fitment Information:
Vehicle Block Engine CID CC
1995 - Western Star 3800 L 6 Cyl 10.8L 661 10834
Stant
2000 Western Star 3700 Engine Coolant Thermostat 6 Cyl 7.2L Stant - Heavy-Duty Thermostat

P311-47201EA    14839  New

4048-90 , 520090 , 30259 , 33969 , 4T149-004

Qty:
$14.52
Stant Engine Coolant Thermostat
  • Temperature 192 Degrees
  • Heavy-Duty Thermostat
  • Original equipment design. Made of durable material for a long lasting life. Stainless steel assembly engineered for a smooth performance.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Stant
Additional Fitment Information:
Vehicle Block Engine CID CC
2000 - Western Star 3700 L 6 Cyl 7.2L 441 -
Stant
1995 Western Star 3800 Engine Coolant Thermostat 6 Cyl 10.8L Stant - Heavy-Duty Thermostat

P311-171F020    14538  New

613080 , 32248 , 5000667753 , 657GC327P80 , 215SB165P3 , 23503825 , 12301822 , 5102651 , 12302408 , 5148430 , 12302515 , 4631418 , 74631823 , 524676C1 , MD19364 , 065561201 , 0199221A , 027074997 , 027928 , 110110004 , 3002964 , 491416 , 359-180 , 356-180 , 33578 , 132-27 , 132-61 , 132-36 , W356-180 , W359-180 , 4508 , 26-2868 , 26-2918 , 9N3711 , 4W4794 , 7E9280 , 5N6242 , 9N3720 , 2R2911 , 6L5851 , 201737 , 169268 , 146077 , 3076489 , 8929032 , 23533312 , 132-86 , DV-238 , DV-338 , ZAM-2858 , ZAM-2908 , 880080 , 31178 , 31808 , 31778 , VD111800-4W , VD111800-4 , 2063-180 , 2060-180 , 277298 , RT-340 , RT-198 , 455-180 , 450-180 , 451-180 , 782A5 , 965A51 , 199221A , 176823B , 211887D , 153154G , 153154A , 83816 , WT/8S1

Qty:
$20.71
Stant Engine Coolant Thermostat
  • Temperature 180 Degrees With Seal Included
  • Heavy-Duty Thermostat
  • Heavy Duty thermostat. Made of durable material for a long lasting, trouble free life. Stainless steel assembly engineered for a smooth performance.
Brand: Stant
Additional Fitment Information:
Vehicle Block Engine CID CC
1995 - Western Star 3800 L 6 Cyl 10.8L 661 10834
Stant
1995 Western Star 3800 Engine Coolant Thermostat 6 Cyl 10.8L Stant - Heavy-Duty Thermostat

P311-13FE5DF    14537  New

613070 , 1430875 , 32247 , 657GC327P70 , 657GC39P70 , 215SB165P2 , 12302406 , 5106240 , 12301821 , 12302514 , 4631417 , 524675C1 , MD19332 , 065561202 , 0199221B , 0199221C , 110110005 , 027074993 , A026742 , 027074995 , 359-170 , 356-170 , 33577 , 132-26 , 132-57 , 132-35 , W359-170 , W356-170 , 4507 , 26-2917 , 26-2867 , Y201366 , 52033575 , DV-337 , DV-237 , ZAM-2857 , ZAM-2907 , 4047-70 , VD10176B , VD111800-1 , VD111800-1W , 31777 , 31807 , 2060-170 , 2063-170 , RT-177 , RT-339 , 1601149 , 781A5 , 450-170 , 451-170 , 455-170 , 199221B , 211887B , 153154F , 208627A , 211887C , 176823A , 199221C , 211887A , 83814 , WT/8S

Qty:
$19.49
Stant Engine Coolant Thermostat
  • Temperature 170 Degrees With Seal Included
  • Heavy-Duty Thermostat
  • Heavy Duty thermostat. Made of durable material for a long lasting, trouble free life. Stainless steel assembly engineered for a smooth performance.
Brand: Stant
Additional Fitment Information:
Vehicle Block Engine CID CC
1995 - Western Star 3800 L 6 Cyl 10.8L 661 10834
Gates
2014 Western Star 4700 Engine Coolant Thermostat 6 Cyl 8.9L Gates - Heavy-Duty Thermostat

P311-427DDB8    34308  New

30448 , 15218 , 4941322 , 4992231 , 5273379 , 5282375 , 5292738 , 476180 , 34308

Qty:
$18.49
Gates Engine Coolant Thermostat
  • 180 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • By-Pass Flange Diameter (in): 1.34
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.15
    • Design: Bottom By-pass
    • Flange Diameter (in): 2.85
    • Height from Flange (in): 1.17
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 1
    • Seal Type: O-ring
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 2.32
    • Type: Heavy-duty Thermostat
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2014 - Western Star 4700 DIESEL L 6 Cyl 8.9L 543 8900
Gates
2018 Western Star 4900SA Engine Coolant Thermostat 6 Cyl 15.0L Gates - Heavy-Duty Thermostat

P311-256F8EC    34148  New

35312357 , 4952204 , 38008 , 15008 , 31578 , 4318197 , 79640644 , 614180 , 34148 , 2882757 , 4318947 , 4973373 , 75017533

Qty:
$25.78
Gates Engine Coolant Thermostat
  • 180 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.35
    • Design: Weir-stat
    • Flange Diameter (in): 3.19
    • Flange Thickness (in): .15
    • Height from Flange (in): 1.67
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.26
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2018 - Western Star 4900SA DIESEL L 6 Cyl 15.0L 915 15000
Gates
2009 Western Star 4900EX Engine Coolant Thermostat 6 Cyl 14.0L Gates - Heavy-Duty Thermostat

P311-311DA22    33578  New

524676C1 , W356-180 , 5000667753 , 32248 , 5245156 , 5N6242 , 31178 , 31778 , 31808 , 23503825 , 9N3720 , 8929032 , 153154A , 199221A , 211887D , 215SB165P3 , 356-180 , 359-180 , 83816 , WT/8S1 , 5102651 , 5148430 , 4508 , 4631418 , 146077 , 74631823 , 169268 , 3002964 , 2060-180 , 14518 , VD111800-4 , S-450-180 , 26-2918 , VD111800-4W , 32508 , 782A5 , 12301822 , 12302515 , 613080 , S-451-180 , S-453-180 , 0199221A , 027074997 , 26-2868 , 065561201 , 027928 , 110110004 , 14538 , 153154G , 176823B , 33578 , 132-27 , 132-61 , 8100 , 2R2911 , MD19364 , ZAM-2858 , ZAM-2908 , 450-180 , 455-180 , 201737 , 6L5851 , 4W4794 , 132-36 , DV-238 , DV-338 , 7E9280 , 810080 , 8800080 , 491416 , 9N3711 , 2063-180 , 880080 , 4930594 , 3076489 , RT-198 , RT-340 , 132-86 , 451-180 , 12302408 , W359-180 , 965A51

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 180 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.3
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .22
    • Height from Flange (in): 1.64
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2009 - Western Star 4900EX DIESEL L 6 Cyl 14.0L 858 14063
Gates
2009 Western Star 4900EX Engine Coolant Thermostat 6 Cyl 14.0L Gates - Heavy-Duty Thermostat

P311-4F457A3    33577  New

524675C1 , 32247 , 657GC39P70 , 23503826 , 153154F , 211887A , 215SB165P2 , 83814 , 4631417 , 450-170 , 2060-170 , 32507 , 1601149 , 781A5 , 14517 , 14537 , VD10176B , VD111800-1W , S-451-170 , 26-2917 , VD111800-1 , 12301821 , 380093C , 359-170 , WT/8S , 613070 , Y201366 , S-450-170 , 027074995 , 0199221B , 0199221C , 356-170 , 027074993 , 110110005 , 5104832 , 132-57 , 065561202 , 5119826 , 199221B , 208627A , 33577 , MD19332 , A026742 , 4507 , 132-26 , RT-177 , RT-339 , DV-237 , ZAM-2857 , ZAM-2907 , 451-170 , 455-170 , 31777 , 31807 , 132-35 , DV-337 , 810070 , 8101 , W356-170 , W359-170 , S-453-170 , 2063-170 , 26-2867 , 5106240 , 8800070 , 880070 , 176823A , 12302406 , 199221C , 12302514

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 170 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.4
    • Design: Weir-stat
    • Flange Diameter (in): 2.88
    • Flange Thickness (in): .2
    • Height from Flange (in): 1.6
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 77
    • Temperature (F): 170
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2009 - Western Star 4900EX DIESEL L 6 Cyl 14.0L 858 14063
Gates
2009 Western Star 4900EX Engine Coolant Thermostat 6 Cyl 14.0L Gates - Heavy-Duty Thermostat

P311-431A335    33576  New

W356-160 , 31806 , 2848264 , 2063-160 , 32246 , 613060 , 9N3017 , 9S9160 , 153154C , 176823 , 199221D , VD111800-2W , 194245 , 451-160 , 14536 , VD111800-2 , 4506 , WT/8 , 31776 , Y205566 , 6409409 , 356-160 , 359-160 , 027074996 , 26-2916 , 5102112 , 5118264 , 12TH8B , 063837 , 132-34 , 153154E , 491417 , 4631416 , 199221E , 146076 , 33576 , A010681 , 132-25 , RT-338 , RT-342 , DV-336 , 2W7133 , MD19366 , ZAM-2856 , ZAM-2906 , 204586 , 135675 , 4N2212 , 6L7291 , 4W4011 , 12302405 , 3002742 , 450-160 , DV-236 , 4L7615 , 32506 , 83811 , 8N4935 , 8800 , 880060 , W359-160 , S-450-160 , 26-2866 , 9N2894 , Y201365 , 276336R91 , 152154 , 153154B , 153154 , 12302513 , 215SB165P1 , 767A5 , 657GC39P55

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 160 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.25
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .21
    • Height from Flange (in): 1.7
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2009 - Western Star 4900EX DIESEL L 6 Cyl 14.0L 858 14063
Gates
1999 Western Star 4800 Engine Coolant Thermostat 6 Cyl 10.0L Gates - Heavy-Duty Thermostat

P311-311DA22    33578  New

524676C1 , W356-180 , 5000667753 , 32248 , 5245156 , 5N6242 , 31178 , 31778 , 31808 , 23503825 , 9N3720 , 8929032 , 153154A , 199221A , 211887D , 215SB165P3 , 356-180 , 359-180 , 83816 , WT/8S1 , 5102651 , 5148430 , 4508 , 4631418 , 146077 , 74631823 , 169268 , 3002964 , 2060-180 , 14518 , VD111800-4 , S-450-180 , 26-2918 , VD111800-4W , 32508 , 782A5 , 12301822 , 12302515 , 613080 , S-451-180 , S-453-180 , 0199221A , 027074997 , 26-2868 , 065561201 , 027928 , 110110004 , 14538 , 153154G , 176823B , 33578 , 132-27 , 132-61 , 8100 , 2R2911 , MD19364 , ZAM-2858 , ZAM-2908 , 450-180 , 455-180 , 201737 , 6L5851 , 4W4794 , 132-36 , DV-238 , DV-338 , 7E9280 , 810080 , 8800080 , 491416 , 9N3711 , 2063-180 , 880080 , 4930594 , 3076489 , RT-198 , RT-340 , 132-86 , 451-180 , 12302408 , W359-180 , 965A51

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Low Flow Cool.; 180 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.3
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .22
    • Height from Flange (in): 1.64
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1999 - Western Star 4800 DIESEL L 6 Cyl 10.0L 611 10014
Gates
1999 Western Star 4800 Engine Coolant Thermostat 6 Cyl 10.0L Gates - Heavy-Duty Thermostat

P311-4F457A3    33577  New

524675C1 , 32247 , 657GC39P70 , 23503826 , 153154F , 211887A , 215SB165P2 , 83814 , 4631417 , 450-170 , 2060-170 , 32507 , 1601149 , 781A5 , 14517 , 14537 , VD10176B , VD111800-1W , S-451-170 , 26-2917 , VD111800-1 , 12301821 , 380093C , 359-170 , WT/8S , 613070 , Y201366 , S-450-170 , 027074995 , 0199221B , 0199221C , 356-170 , 027074993 , 110110005 , 5104832 , 132-57 , 065561202 , 5119826 , 199221B , 208627A , 33577 , MD19332 , A026742 , 4507 , 132-26 , RT-177 , RT-339 , DV-237 , ZAM-2857 , ZAM-2907 , 451-170 , 455-170 , 31777 , 31807 , 132-35 , DV-337 , 810070 , 8101 , W356-170 , W359-170 , S-453-170 , 2063-170 , 26-2867 , 5106240 , 8800070 , 880070 , 176823A , 12302406 , 199221C , 12302514

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Low Flow Cool.; 170 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.4
    • Design: Weir-stat
    • Flange Diameter (in): 2.88
    • Flange Thickness (in): .2
    • Height from Flange (in): 1.6
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 77
    • Temperature (F): 170
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1999 - Western Star 4800 DIESEL L 6 Cyl 10.0L 611 10014
Gates
1999 Western Star 4800 Engine Coolant Thermostat 6 Cyl 10.0L Gates - Heavy-Duty Thermostat

P311-431A335    33576  New

W356-160 , 31806 , 2848264 , 2063-160 , 32246 , 613060 , 9N3017 , 9S9160 , 153154C , 176823 , 199221D , VD111800-2W , 194245 , 451-160 , 14536 , VD111800-2 , 4506 , WT/8 , 31776 , Y205566 , 6409409 , 356-160 , 359-160 , 027074996 , 26-2916 , 5102112 , 5118264 , 12TH8B , 063837 , 132-34 , 153154E , 491417 , 4631416 , 199221E , 146076 , 33576 , A010681 , 132-25 , RT-338 , RT-342 , DV-336 , 2W7133 , MD19366 , ZAM-2856 , ZAM-2906 , 204586 , 135675 , 4N2212 , 6L7291 , 4W4011 , 12302405 , 3002742 , 450-160 , DV-236 , 4L7615 , 32506 , 83811 , 8N4935 , 8800 , 880060 , W359-160 , S-450-160 , 26-2866 , 9N2894 , Y201365 , 276336R91 , 152154 , 153154B , 153154 , 12302513 , 215SB165P1 , 767A5 , 657GC39P55

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Low Flow Cool.; 160 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.25
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .21
    • Height from Flange (in): 1.7
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1999 - Western Star 4800 DIESEL L 6 Cyl 10.0L 611 10014
Gates
1983 Western Star 4800 Engine Coolant Thermostat 8 Cyl 9.3L Gates - Heavy-Duty Thermostat

P311-311DA22    33578  New

524676C1 , W356-180 , 5000667753 , 32248 , 5245156 , 5N6242 , 31178 , 31778 , 31808 , 23503825 , 9N3720 , 8929032 , 153154A , 199221A , 211887D , 215SB165P3 , 356-180 , 359-180 , 83816 , WT/8S1 , 5102651 , 5148430 , 4508 , 4631418 , 146077 , 74631823 , 169268 , 3002964 , 2060-180 , 14518 , VD111800-4 , S-450-180 , 26-2918 , VD111800-4W , 32508 , 782A5 , 12301822 , 12302515 , 613080 , S-451-180 , S-453-180 , 0199221A , 027074997 , 26-2868 , 065561201 , 027928 , 110110004 , 14538 , 153154G , 176823B , 33578 , 132-27 , 132-61 , 8100 , 2R2911 , MD19364 , ZAM-2858 , ZAM-2908 , 450-180 , 455-180 , 201737 , 6L5851 , 4W4794 , 132-36 , DV-238 , DV-338 , 7E9280 , 810080 , 8800080 , 491416 , 9N3711 , 2063-180 , 880080 , 4930594 , 3076489 , RT-198 , RT-340 , 132-86 , 451-180 , 12302408 , W359-180 , 965A51

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Rapid Warm Up System; 180 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.3
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .22
    • Height from Flange (in): 1.64
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1983 - Western Star 4800 DIESEL V 8 Cyl 9.3L 568 9310
Gates
1983 Western Star 4800 Engine Coolant Thermostat 8 Cyl 9.3L Gates - Heavy-Duty Thermostat

P311-4F457A3    33577  New

524675C1 , 32247 , 657GC39P70 , 23503826 , 153154F , 211887A , 215SB165P2 , 83814 , 4631417 , 450-170 , 2060-170 , 32507 , 1601149 , 781A5 , 14517 , 14537 , VD10176B , VD111800-1W , S-451-170 , 26-2917 , VD111800-1 , 12301821 , 380093C , 359-170 , WT/8S , 613070 , Y201366 , S-450-170 , 027074995 , 0199221B , 0199221C , 356-170 , 027074993 , 110110005 , 5104832 , 132-57 , 065561202 , 5119826 , 199221B , 208627A , 33577 , MD19332 , A026742 , 4507 , 132-26 , RT-177 , RT-339 , DV-237 , ZAM-2857 , ZAM-2907 , 451-170 , 455-170 , 31777 , 31807 , 132-35 , DV-337 , 810070 , 8101 , W356-170 , W359-170 , S-453-170 , 2063-170 , 26-2867 , 5106240 , 8800070 , 880070 , 176823A , 12302406 , 199221C , 12302514

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Rapid Warm Up System; 170 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.4
    • Design: Weir-stat
    • Flange Diameter (in): 2.88
    • Flange Thickness (in): .2
    • Height from Flange (in): 1.6
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 77
    • Temperature (F): 170
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1983 - Western Star 4800 DIESEL V 8 Cyl 9.3L 568 9310
Gates
1983 Western Star 4800 Engine Coolant Thermostat 8 Cyl 9.3L Gates - Heavy-Duty Thermostat

P311-431A335    33576  New

W356-160 , 31806 , 2848264 , 2063-160 , 32246 , 613060 , 9N3017 , 9S9160 , 153154C , 176823 , 199221D , VD111800-2W , 194245 , 451-160 , 14536 , VD111800-2 , 4506 , WT/8 , 31776 , Y205566 , 6409409 , 356-160 , 359-160 , 027074996 , 26-2916 , 5102112 , 5118264 , 12TH8B , 063837 , 132-34 , 153154E , 491417 , 4631416 , 199221E , 146076 , 33576 , A010681 , 132-25 , RT-338 , RT-342 , DV-336 , 2W7133 , MD19366 , ZAM-2856 , ZAM-2906 , 204586 , 135675 , 4N2212 , 6L7291 , 4W4011 , 12302405 , 3002742 , 450-160 , DV-236 , 4L7615 , 32506 , 83811 , 8N4935 , 8800 , 880060 , W359-160 , S-450-160 , 26-2866 , 9N2894 , Y201365 , 276336R91 , 152154 , 153154B , 153154 , 12302513 , 215SB165P1 , 767A5 , 657GC39P55

Qty:
$25.74
Gates Engine Coolant Thermostat
  • W/O Rapid Warm Up System; 160 Degree; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.25
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .21
    • Height from Flange (in): 1.7
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1983 - Western Star 4800 DIESEL V 8 Cyl 9.3L 568 9310
Gates
1997 Western Star 4800 Engine Coolant Thermostat - Cyl -L Gates - Heavy-Duty Thermostat

P311-311DA22    33578  New

524676C1 , W356-180 , 5000667753 , 32248 , 5245156 , 5N6242 , 31178 , 31778 , 31808 , 23503825 , 9N3720 , 8929032 , 153154A , 199221A , 211887D , 215SB165P3 , 356-180 , 359-180 , 83816 , WT/8S1 , 5102651 , 5148430 , 4508 , 4631418 , 146077 , 74631823 , 169268 , 3002964 , 2060-180 , 14518 , VD111800-4 , S-450-180 , 26-2918 , VD111800-4W , 32508 , 782A5 , 12301822 , 12302515 , 613080 , S-451-180 , S-453-180 , 0199221A , 027074997 , 26-2868 , 065561201 , 027928 , 110110004 , 14538 , 153154G , 176823B , 33578 , 132-27 , 132-61 , 8100 , 2R2911 , MD19364 , ZAM-2858 , ZAM-2908 , 450-180 , 455-180 , 201737 , 6L5851 , 4W4794 , 132-36 , DV-238 , DV-338 , 7E9280 , 810080 , 8800080 , 491416 , 9N3711 , 2063-180 , 880080 , 4930594 , 3076489 , RT-198 , RT-340 , 132-86 , 451-180 , 12302408 , W359-180 , 965A51

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 180 Degree; As required; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.3
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .22
    • Height from Flange (in): 1.64
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1997 - Western Star 4800 U/K - - Cyl -L - -
Gates
1997 Western Star 4800 Engine Coolant Thermostat - Cyl -L Gates - Heavy-Duty Thermostat

P311-4F457A3    33577  New

524675C1 , 32247 , 657GC39P70 , 23503826 , 153154F , 211887A , 215SB165P2 , 83814 , 4631417 , 450-170 , 2060-170 , 32507 , 1601149 , 781A5 , 14517 , 14537 , VD10176B , VD111800-1W , S-451-170 , 26-2917 , VD111800-1 , 12301821 , 380093C , 359-170 , WT/8S , 613070 , Y201366 , S-450-170 , 027074995 , 0199221B , 0199221C , 356-170 , 027074993 , 110110005 , 5104832 , 132-57 , 065561202 , 5119826 , 199221B , 208627A , 33577 , MD19332 , A026742 , 4507 , 132-26 , RT-177 , RT-339 , DV-237 , ZAM-2857 , ZAM-2907 , 451-170 , 455-170 , 31777 , 31807 , 132-35 , DV-337 , 810070 , 8101 , W356-170 , W359-170 , S-453-170 , 2063-170 , 26-2867 , 5106240 , 8800070 , 880070 , 176823A , 12302406 , 199221C , 12302514

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 170 Degree; As required; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.4
    • Design: Weir-stat
    • Flange Diameter (in): 2.88
    • Flange Thickness (in): .2
    • Height from Flange (in): 1.6
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 77
    • Temperature (F): 170
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1997 - Western Star 4800 U/K - - Cyl -L - -
Gates
1997 Western Star 4800 Engine Coolant Thermostat - Cyl -L Gates - Heavy-Duty Thermostat

P311-431A335    33576  New

W356-160 , 31806 , 2848264 , 2063-160 , 32246 , 613060 , 9N3017 , 9S9160 , 153154C , 176823 , 199221D , VD111800-2W , 194245 , 451-160 , 14536 , VD111800-2 , 4506 , WT/8 , 31776 , Y205566 , 6409409 , 356-160 , 359-160 , 027074996 , 26-2916 , 5102112 , 5118264 , 12TH8B , 063837 , 132-34 , 153154E , 491417 , 4631416 , 199221E , 146076 , 33576 , A010681 , 132-25 , RT-338 , RT-342 , DV-336 , 2W7133 , MD19366 , ZAM-2856 , ZAM-2906 , 204586 , 135675 , 4N2212 , 6L7291 , 4W4011 , 12302405 , 3002742 , 450-160 , DV-236 , 4L7615 , 32506 , 83811 , 8N4935 , 8800 , 880060 , W359-160 , S-450-160 , 26-2866 , 9N2894 , Y201365 , 276336R91 , 152154 , 153154B , 153154 , 12302513 , 215SB165P1 , 767A5 , 657GC39P55

Qty:
$25.74
Gates Engine Coolant Thermostat
  • 160 Degree; As required; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.25
    • Design: Weir-stat
    • Flange Diameter (in): 2.87
    • Flange Thickness (in): .21
    • Height from Flange (in): 1.7
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height (in): 3.16
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.27
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
1997 - Western Star 4800 U/K - - Cyl -L - -
Gates
2018 Western Star 4900FA Engine Coolant Thermostat 6 Cyl 15.0L Gates - Heavy-Duty Thermostat

P311-256F8EC    34148  New

35312357 , 4952204 , 38008 , 15008 , 31578 , 4318197 , 79640644 , 614180 , 34148 , 2882757 , 4318947 , 4973373 , 75017533

Qty:
$25.78
Gates Engine Coolant Thermostat
  • 180 Degree; OE Temperature; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.35
    • Design: Weir-stat
    • Flange Diameter (in): 3.19
    • Flange Thickness (in): .15
    • Height from Flange (in): 1.67
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 2
    • Seal Type: O-ring & Perimeter Seal
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 3.2
    • Type: Heavy-duty Thermostat
    • Valve Diameter (in): 2.26
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2018 - Western Star 4900FA DIESEL L 6 Cyl 15.0L 915 15000
Gates
2018 Western Star 4700 Engine Coolant Thermostat 6 Cyl 9.0L Gates - Heavy-Duty Thermostat

P311-427DDB8    34308  New

30448 , 15218 , 4941322 , 4992231 , 5273379 , 5282375 , 5292738 , 476180 , 34308

Qty:
$18.49
Gates Engine Coolant Thermostat
  • 180 Degree; OE Temperature; Seal included
  • Heavy-Duty Thermostat
  • Product Attributes:
    • By-Pass Flange Diameter (in): 1.34
    • California Proposition 65: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Depth from Flange (in): 1.15
    • Design: Bottom By-pass
    • Flange Diameter (in): 2.85
    • Height from Flange (in): 1.17
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 0
    • Number of Seals: 1
    • Seal Type: O-ring
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height (in): 2.32
    • Type: Heavy-duty Thermostat
Brand: Gates
Additional Fitment Information:
Vehicle Fuel Type Block Engine CID CC
2018 - Western Star 4700 DIESEL - 6 Cyl 9.0L 549 -