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The Following brands are available based on your search.

  • Dorman
    Dorman
  • Earl's Performance
    Earl's Performance
  • Motorad
    Motorad
  • Proform
    Proform

Best Selling Genuine Geo Coolant Thermostat Housings

  • We Stock the following top leading brands, including Motorad, Dorman, Proform, Earl's Performance
  • Constantly Updated Inventory of Geo Replacement Coolant Thermostat Housing Parts

We stock Coolant Thermostat Housing parts for most Geo models, including Prizm, Tracker.


Motorad
1996 Geo Tracker Engine Coolant Thermostat Housing 4 Cyl 1.6L Motorad

P311-1A122C9    CH3013  New

85217 , 902-2013 , 91174499 , 9CH3013 , CH3013 , CO34786 , NI

Qty:
In Stock & Ready to Ship
$16.81
Motorad Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Includes housing 3 Bolt Configuration
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 3
    • Outlet Diameter: 1.37 In
  • Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested Meets or exceeds all OEM standards.
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1996 - Geo Tracker L 4 Cyl 1.6L 98 1588
Motorad
1990 Geo Prizm Engine Coolant Thermostat Housing 4 Cyl 1.6L Motorad

P311-5CA8BAF    CH6043  New

1632115020 , 85020 , 902-5043 , 9CH6043 , CH6043 , NI

Qty:
In Stock & Ready to Ship
$19.69
Motorad Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Includes housing and gasket
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 2
    • Outlet Diameter: 1.25 In
  • Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested Meets or exceeds all OEM standards.
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - Geo Prizm L 4 Cyl 1.6L - 1587
Motorad
1993 Geo Prizm Engine Coolant Thermostat Housing 4 Cyl 1.6L Motorad

P311-013C624    CH6047  New

1632115040 , 85146 , 902-5047 , 9CH6047 , CH6047 , NI

Qty:
In Stock & Ready to Ship
$22.24
Motorad Engine Coolant Thermostat Housing
  • Engine Coolant Water Outlet
  • Includes housing
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 2
    • Outlet Diameter: 1.22 In
  • Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested Meets or exceeds all OEM standards.
Brand: Motorad
Additional Fitment Information:
Vehicle Block Engine CID CC
1993 - Geo Prizm L 4 Cyl 1.6L 98 1588
Dorman
1996 Geo Tracker Engine Coolant Thermostat Housing 4 Cyl 1.6L Dorman

P311-5DEF04D    902-2013  New

6298 , 815605 , 85217 , 91174499 , 91177759 , CH3013 , CO34786

Qty:
In Stock & Ready to Ship
$16.75
Dorman Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • 3 Bolt Configuration Cover
  • Product Attributes:
    • Air Vent (Bleeder Valve): No
    • Bolts Included: No
    • Housing Neck Angle (┬░): 45
    • Housing Neck Angle (Γö¼Γûæ): 45
    • Mounting Hole Diameter: 0.313
    • Mounting Hole Quantity: 3
    • O Rings Included:
      • No
      • Not Required
    • Outlet Port Diameter: 1.313
    • Package Contents: Thermostat Housing With Gasket
    • Thermostat Included: No
  • Features:
    • Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
    • Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    • Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer
    • Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings
  • This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
1996 - Geo Tracker L 4 Cyl 1.6L 98 1588
Dorman
1994 Geo Prizm Engine Coolant Thermostat Housing 4 Cyl 1.8L Dorman

P311-58D3D93    902-5047  New

1632115040 , 815146 , 85146 , 9151 , CH6047

Qty:
In Stock & Ready to Ship
$28.99
Dorman Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Cover
  • Product Attributes:
    • Air Vent (Bleeder Valve): No
    • Bolts Included: No
    • Housing Neck Angle (┬░): 180
    • Housing Neck Angle (Γö¼Γûæ): 180
    • Mounting Hole Diameter: 0.313
    • Mounting Hole Quantity: 2
    • O Rings Included:
      • No
      • Not Required
    • Outlet Port Diameter: 1.25
    • Package Contents: Thermostat Housing With Gasket
    • Thermostat Included: No
  • Features:
    • Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
    • Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    • Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer
    • Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings
  • This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
1994 - Geo Prizm L 4 Cyl 1.8L 107 1762
Dorman
1991 Geo Prizm Engine Coolant Thermostat Housing 4 Cyl 1.6L Dorman

P311-2E33551    902-5043  New

1632115020 , 815020 , 85020 , CH6043

Qty:
In Stock & Ready to Ship
$22.65
Dorman Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Cover
  • Product Attributes:
    • Air Vent (Bleeder Valve): No
    • Bolts Included: No
    • Housing Neck Angle (┬░): 180
    • Housing Neck Angle (Γö¼Γûæ): 180
    • Mounting Hole Diameter: 0.313
    • Mounting Hole Quantity: 2
    • O Rings Included:
      • No
      • Not Required
    • Outlet Port Diameter: 1.188
    • Package Contents: Thermostat Housing
    • Thermostat Included: No
  • Features:
    • Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
    • Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    • Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer
    • Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings
  • This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Brand: Dorman
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - Geo Prizm L 4 Cyl 1.6L - 1587
Proform
Engine Coolant Thermostat Housing Proform

P311-5E7B20C    141-501  New

Qty:
In Stock & Ready to Ship
$32.45
Proform Engine Coolant Thermostat Housing
  • Water Neck; Chrome; O-Ring Style; For SB and BB Chevy Engines; 15 Degree Type
  • Engine Water Neck; O-Ring Style; For SB and BB Chevy Engines; 15 Degree Type; Chrome Plated; Made From High-Quality Aluminum; Hardware Included; Officially Licensed GM Performance Parts Product; Sold Individually
  • Product Attributes:
    • Applications: Chevy Small Block 262 To 400 Engines 1958 To 1991; Chevy Big Block 366 To 454 Engines 1966 To 1990
    • Category: Chrome Water Neck
    • Emblem: No Emblems Or Logos
    • Feature/Benefit: Premium Chrome Water Neck.
  • Premium Chrome Water Neck. This Chevrolet water neck utilizes neoprene O-ring gaskets instead of regular gaskets eliminating leakage. Supplied with chrome bolts.

    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
Brand: Proform
Additional Fitment Information:
Vehicle
Earl's Performance
Engine Coolant Thermostat Housing Earl's Performance

P311-55A157B    LS0005ERL  New

Qty:
In Stock & Ready to Ship
$180.32
Earl's Performance Engine Coolant Thermostat Housing
  • Water Pump Adapter Kit
  • Water Pump Adapter Kit; LS Water Pump To -20AN; Aluminum;
  • Product Attributes:
    • Adapter Type: Water Neck
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Adapts Inlet And Outlet to -20 AN
    • Billet Aluminum And Stainless Steel Components
    • Anodized Protection On Aluminum Components
  • Earls leads the way with firsts for LS engines! Water pumps come with push-on barbs for clamping the standard radiator hose. Push-on hose connects just arent good enough for the hard core performance minded. Earls offers an adapter kit to convert inlet and outlet to -20 AN. One kits works with ALL LS water pumps. Included is an O-ring adapter plate which upgrades early LS water pumps to the later, less restrictive style of thermostat.

    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
Brand: Earl's Performance
Additional Fitment Information:
Vehicle
Earl's Performance
Engine Coolant Thermostat Housing Earl's Performance

P311-0F32622    LS0025ERL  New

Qty:
In Stock & Ready to Ship
$174.95
Earl's Performance Engine Coolant Thermostat Housing
  • Water Pump Adapter Kit
  • Water Pump Adapter Kit; 12AN; For GM LS Engines; Aluminum; Pair;
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Billet Aluminum Block Adapters
    • Black Anodized Finish
    • Includes Gaskets And Mounting Hardware
  • These new billet block adapters allow the use of a big block Chevy electric water pump on the GM LS engine. These adapters feature (2) -12 AN O-ring female outlet ports for routing coolant back to the radiator. The 1/8 NPT port on the sides of the adapters allow a convenient hook-up for the steam tube outlet (eliminates modification of the radiator or water pump when installing the steam tube plumbing). This part includes the two block adapters, gaskets and mounting bolts.

    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
Brand: Earl's Performance
Additional Fitment Information:
Vehicle
Earl's Performance
Engine Coolant Thermostat Housing Earl's Performance

P311-4CA1CFF    LS0022ERL  New

Qty:
In Stock & Ready to Ship
$169.67
Earl's Performance Engine Coolant Thermostat Housing
  • Water Pump Adapter Kit
  • Water Pump Adapter Kit; w/12AN O-Ring Ports;
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Water Pump Adapter Kit
  • These new adapters allow easy installation of a remote mounted electric water pump on the GM LS engine. These billet aluminum block adapters feature (4) -12 AN O-ring female ports for routing coolant to the radiator & remote mounted electric water pump. The 1/8 NPT Port can be used to connect to the steam tube plumbing. Ideal for use with Earls Adjustable Coolant Cross-Over Tube - part number LS0035ERL.

    • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
Brand: Earl's Performance
Additional Fitment Information:
Vehicle