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Shop By Brand

The Following brands are available based on your search.

  • ACDelco
    ACDelco
  • Autopart International
    Autopart International
  • CARQUEST
    CARQUEST
  • Calorstat
    Calorstat
  • Derale
    Derale
  • Gates
    Gates
  • Jet Performance
    Jet Performance
  • Motorad
    Motorad
  • Motorad UltraStats
    Motorad UltraStats
  • Mr Gasket
    Mr Gasket
  • Painless Wiring
    Painless Wiring
  • Stant
    Stant

Shop for Top Selling Genuine Buick Riviera Thermostats

  • We Stock the following top leading brands, including Gates, ACDelco, Motorad
  • Constantly Updated Inventory of Buick Riviera Replacement Thermostat Parts

Gates
1985 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L Gates - 195F

P311-2ECCEEC    W0133-1695333  New

Qty:
In Stock & Ready to Ship
$14.20
Gates Engine Coolant Thermostat
  • OE Type
  • 195F
Brand: Gates
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 8 Cyl 5.7L 350 -
Gates
1985 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L Gates

P311-25CF77E    W0133-1706752  New

Qty:
In Stock & Ready to Ship
$37.14
Gates Engine Coolant Thermostat
  • Economy
Brand: Gates
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 8 Cyl 5.7L 350 -
Gates
1990 Buick Riviera Engine Coolant Thermostat Gates - (90°C/195°F)

P311-197A9D0    W0133-1638896  New

Qty:
In Stock & Ready to Ship
$20.04
Gates Engine Coolant Thermostat
  • OE Type
  • (90°C/195°F)
Brand: Gates
Additional Fitment Information:
Vehicle
1990 - Buick Riviera
Gates
1986 Buick Riviera Engine Coolant Thermostat Gates - (90°C/195°F)

P311-197A9D0    W0133-1638896  New

Qty:
In Stock & Ready to Ship
$20.04
Gates Engine Coolant Thermostat
  • OE Type
  • with Low Leak
  • (90°C/195°F)
Brand: Gates
Additional Fitment Information:
Vehicle
1986 - Buick Riviera
ACDelco
1999 Buick Riviera Engine Coolant Thermostat ACDelco - (90°C/195°F)w/Gasket

P311-074D844    W0133-1682311  New

Qty:
In Stock & Ready to Ship
$34.13
ACDelco Engine Coolant Thermostat
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • Genuine GM
  • (90°C/195°F)w/Gasket
Brand: ACDelco
Additional Fitment Information:
Vehicle
1999 - Buick Riviera
ACDelco
1985 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L ACDelco - 195 Degree

P311-576684F    W0133-1695333  New

Qty:
In Stock & Ready to Ship
$23.45
ACDelco Engine Coolant Thermostat
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • Genuine GM
  • 195 Degree
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 8 Cyl 5.7L 350 -
ACDelco
1985 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L ACDelco

P311-29A4CFC    W0133-1821986  New

Qty:
In Stock & Ready to Ship
$33.93
ACDelco Engine Coolant Thermostat
  • Gold
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 8 Cyl 5.7L 350 -
ACDelco
1985 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L ACDelco - 195 Degrees

P311-3CAB97E    W0133-1682073  New

Qty:
In Stock & Ready to Ship
$22.81
ACDelco Engine Coolant Thermostat
  • Gold
  • 195 Degrees
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 8 Cyl 5.7L 350 -
Motorad
1985 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Economy

P311-55E5FC6    300-195  New

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-195 Degrees
  • Temperature 195F Higher Alternate Temp
  • Economy
  • Product Attributes:
    • Flange Thickness: 0.038 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 195
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1979 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Economy

P311-55E5FC6    300-195  New

12TE1E , 13009 , 131-87 , 13309 , 13839 , 1601-290217 , 16309 , 269 , 300-195 , 3009 , 30095 , 33509 , 36309 , 9300195 , P3009 , S300195 , S330195

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-195 Degrees
  • Temperature 195F OEM Recommended Temp
  • Economy
  • Product Attributes:
    • Flange Thickness: 0.038 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 195
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1979 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1977 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L Motorad - Economy

P311-02E3C24    300-160  New

12TE1B , 13006 , 13306 , 160-003 , 1601-290215 , 16306 , 300-160 , 3006 , 30060 , 36306 , 9300160 , P3006 , S300160 , S330160

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-160 Degrees
  • Temperature 160F Alternate Temp
  • Economy
  • Product Attributes:
    • Flange Thickness: 0.038 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 160
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1977 - Buick Riviera V 8 Cyl 5.7L 350 -
Motorad
1991 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Standard

P311-4012EAF    203-180  New

115 , 12572787 , 12T4D , 13848 , 15728 , 15848 , 1601-24040 , 203-180 , 20380 , 24575984 , 24576634 , 33428 , 35848 , 3848 , 9203180 , 96051826 , P3848 , QRT42 , S384180

Qty:
In Stock & Ready to Ship
$5.65
Motorad Engine Coolant Thermostat
  • Thermostat-180 Degrees
  • Temperature 180F Alternate Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.04 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 1.73
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1977 Buick Riviera Engine Coolant Thermostat 8 Cyl 6.6L Motorad - Standard

P311-26A4BD7    200-195  New

10190925 , 10207373 , 12514334 , 12T1E , 131-71 , 131-73 , 13359 , 15359 , 1601-290203 , 183 , 200-195 , 20095 , 33009 , 3359 , 35359 , 4131240 , 4387494 , 4494469 , 52028185 , 52028185AB , 52028185AC , 52028186 , 83500360 , 83501426 , 9200195 , J8127383 , P3359 , S335195 , ZZM415171

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-195 Degrees
  • Temperature 195F Includes thermostat OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.06 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 195
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1977 - Buick Riviera V 8 Cyl 6.6L 403 -
Motorad
1985 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Standard

P311-26A4BD7    200-195  New

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-195 Degrees
  • Temperature 195F Includes thermostat Higher Alternate Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.06 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 195
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1985 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Economy

P311-437A131    300-180  New

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-180 Degrees
  • Temperature 180F OEM Recommended Temp
  • Economy
  • Product Attributes:
    • Flange Thickness: 0.038 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1977 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.7L Motorad - Economy

P311-437A131    300-180  New

12TE1D , 13008 , 131-75 , 13308 , 13838 , 15308 , 1601-290216 , 16308 , 169 , 300-180 , 3008 , 30080 , 33508 , 36308 , 9300180 , P3008 , S300180 , S330180

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-180 Degrees
  • Temperature 180F Alternate Temp
  • Economy
  • Product Attributes:
    • Flange Thickness: 0.038 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1977 - Buick Riviera V 8 Cyl 5.7L 350 -
Motorad
1988 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - High Flow

P311-2F57666    2003-180  New

12TP4D , 15848 , 15848DLG , 1601-291020 , 2003-180 , 33428S , 45848 , 65038 , 65848 , 92003180 , P15848

Qty:
In Stock & Ready to Ship
$4.66
Motorad Engine Coolant Thermostat
  • High Flow Thermostat-180 Degrees
  • Temperature 180F Alternate Temp
  • High Flow
  • Product Attributes:
    • Flange Thickness: 0.04 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 1.73
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1988 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1981 Buick Riviera Engine Coolant Thermostat 8 Cyl 5.0L Motorad - Standard

P311-16C65B7    200-180  New

10207381 , 12T1D , 13358 , 15358 , 1601-24271 , 170 , 200-180 , 20080 , 3054228 , 33008 , 3358 , 35358 , 4086415 , 7324932 , 9200180 , D5PZ8575B , P3358 , S335180 , TX379D

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-180 Degrees
  • Temperature 180F Alternate Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.06 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1981 - Buick Riviera V 8 Cyl 5.0L 307 -
Motorad
1985 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Standard

P311-16C65B7    200-180  New

Qty:
In Stock & Ready to Ship
$6.69
Motorad Engine Coolant Thermostat
  • Thermostat-180 Degrees
  • Temperature 180F OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.06 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 2.13
    • Temperature (Degree): 180
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1985 - Buick Riviera V 6 Cyl 3.8L 231 3800
Motorad
1986 Buick Riviera Engine Coolant Thermostat 6 Cyl 3.8L Motorad - Standard

P311-117D34C    203-195  New

10207375 , 12T4E , 131-115 , 131-122 , 13849 , 15849 , 1601-24117 , 203-195 , 20395 , 215 , 24506986 , 24577299 , 33429 , 34007 , 34019 , 34024 , 35849 , 3849 , 48389 , 48529 , 48619 , 8100789800 , 8245772990 , 9203195 , P3849 , QRT41 , S384195

Qty:
In Stock & Ready to Ship
$5.65
Motorad Engine Coolant Thermostat
  • Thermostat-192 Degrees
  • Temperature 195F OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Flange Thickness: 0.04 In
    • Installation Tool Included: No
    • Jiggle Pin Weep Hole: No
    • Sealing Flange Outside Diameter: 1.73
    • Temperature (Degree): 195
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1986 - Buick Riviera V 6 Cyl 3.8L 231 3800