Shop Infiniti Coolant Thermostat Housings

Choose Vehicle Year

Finish Selecting Your Vehicle to Shop For Your Coolant Thermostat Housing

Choose a Year for your Infiniti 's Coolant Thermostat Housing

  • 2010
  • 2009
  • 2008
  • 2007
  • 2006
  • 2005
  • 2004
  • 2003
  • 2002
  • 2001
  • 2000
  • 1999
  • 1996
  • 1995
  • 1994
  • 1993
  • 1992
  • 1991

Shop By Brand

The Following brands are available based on your search.

  • Earl's Performance
    Earl's Performance
  • Four Seasons
    Four Seasons
  • Motorad
    Motorad
  • Proform
    Proform

Best Selling Genuine Infiniti Coolant Thermostat Housings

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

We stock Coolant Thermostat Housing parts for most Infiniti models, including FX35, FX45, G20, G35, I35, M45, Q45, QX4, QX56.


Four Seasons
2008 Infiniti FX35 Engine Coolant Thermostat Housing Four Seasons - Thermostat Housing

P311-1C54A3F    85951  New

14668 , 2120031U13 , 2120031U1B , 34041 , 391180 , 6052015 , 60540081 , 815769 , 85951 , 9025249 , W98481

Qty:
In Stock & Ready to Ship
$23.79
Four Seasons Engine Coolant Thermostat Housing
  • Integrated Thermostat Housing
  • ; with Thermostat
  • Engine Coolant Integrated Thermostat Housing
  • Thermostat Housing
  • Product Attributes:
    • Description: Engine Coolant Components
    • Flange Thickness: 0.708
    • Inlet Port Diameter: 1.209
    • Meets / Exceeds OEM?: Yes
    • Mounting Hole Quantity: 3
    • Outlet Port Diameter: 35.000
    • Overall Height IN: 2.981
    • Style: W/ Thermostat
    • Thermostat Included?: Included
Brand: Four Seasons
Additional Fitment Information:
Vehicle
2008 - Infiniti FX35
Four Seasons
2003 Infiniti I35 Engine Coolant Thermostat Housing Four Seasons - Thermostat Housing

P311-0126427    85688  New

14778 , 212008J100 , 212008J10B , 33951 , 431170 , 431180 , 6052041 , 815688 , 85688 , 9025125 , KGT431170T , KGT431180T , W95435

Qty:
In Stock & Ready to Ship
$36.02
Four Seasons Engine Coolant Thermostat Housing
  • Integrated Thermostat Housing
  • ; with Thermostat
  • Engine Coolant Integrated Thermostat Housing
  • Thermostat Housing
  • Product Attributes:
    • Description: Engine Coolant Components
    • Flange Thickness: 0.700
    • Inlet Port Diameter: 1.460
    • Meets / Exceeds OEM?: Yes
    • Outlet Port Diameter: 38.000
    • Overall Height IN: 5.000
    • Style: W/ Thermostat
    • Thermostat Included?: Included
Brand: Four Seasons
Additional Fitment Information:
Vehicle
2003 - Infiniti I35
Motorad
2002 Infiniti Q45 Engine Coolant Thermostat Housing - Upper 8 Cyl 4.5L Motorad

P311-4914107    CH6900  New

13049AR000 , 85421 , 902-5900 , 9CH6900 , CH6900 , CO34869 , NI

Qty:
In Stock & Ready to Ship
$11.44
Motorad Engine Coolant Thermostat Housing Upper
  • Engine Coolant Water Outlet
  • Includes housing
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 3
    • Outlet Diameter: 1.38 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
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2002 - Infiniti Q45 Upper V 8 Cyl 4.5L - 4494
Motorad
2001 Infiniti G20 Engine Coolant Thermostat Housing 4 Cyl 2.0L Motorad

P311-47E0064    CH6028  New

1304953J00 , 1304964Y00 , 815578 , 85229 , 902-5028 , 9CH6028 , CH6028 , NI

Qty:
In Stock & Ready to Ship
$21.15
Motorad Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Thermostat Housing
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 3
    • Outlet Diameter: 1.39 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
2001 - Infiniti G20 L 4 Cyl 2.0L - 2000
Motorad
1999 Infiniti G20 Engine Coolant Thermostat Housing 4 Cyl 2.0L Motorad

P311-47E0064    CH6028  New

Qty:
In Stock & Ready to Ship
$21.15
Motorad Engine Coolant Thermostat Housing
  • Engine Coolant Thermostat Housing
  • Thermostat Housing To 7/1999
  • Product Attributes:
    • Bolts Included: No
    • Mounting Hole Quantity: 3
    • Outlet Diameter: 1.39 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
1999 - Infiniti G20 L 4 Cyl 2.0L - 2000
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