HomeBelts and Cooling > Thermostat and HousingGenuine AJ811793 Engine Coolant Thermostat Housing
Part #: AJ811793

Genuine AJ811793 Engine Coolant Thermostat Housing

⚙️ 28 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$367.11Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jaguar, XF, Vanden Plas, XJ8, XK, and S-Type
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Genuine Engine Coolant Thermostat Housing AJ811793

The Genuine Engine Coolant Thermostat Housing AJ811793 is designed specifically for Jaguar vehicles, including the S-Type, Vanden Plas, XF, XJ8, and XK models. This component plays a critical role in regulating engine temperature by housing the thermostat and ensuring proper coolant flow.

  • Compatible with Jaguar S-Type, Vanden Plas, XF, XJ8, and XK models
  • Genuine part number AJ811793 for precise fitment
  • Engine coolant thermostat housing designed for reliable temperature regulation
  • Durable construction to withstand engine heat and pressure
  • Direct replacement part ensuring OEM specifications

Detailed Product Description

This engine coolant thermostat housing from Genuine is engineered to meet the exact specifications required by Jaguar vehicles. The part number AJ811793 ensures compatibility with multiple Jaguar models, including the S-Type, Vanden Plas, XF, XJ8, and XK. The housing securely holds the thermostat, which controls the flow of coolant to maintain optimal engine temperature. Proper function of this housing is essential to prevent engine overheating and maintain efficient performance.

Common Applications and Issues Addressed

  • Prevents engine overheating by maintaining correct coolant flow
  • Replaces cracked or leaking thermostat housings
  • Resolves coolant leaks that can cause engine damage
  • Restores proper thermostat operation for temperature regulation
  • Eliminates coolant contamination from damaged housings

Installation Notes and Tips

  • Ensure engine is cool before beginning installation
  • Drain coolant system to avoid spills and contamination
  • Remove old thermostat housing carefully to prevent damage to surrounding components
  • Use new gasket or sealant as recommended for a secure fit
  • Refill coolant and check for leaks after installation

Quality Assurance and Warranty

The Genuine Engine Coolant Thermostat Housing AJ811793 is manufactured to meet OEM standards for fit, form, and function. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship.

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010JaguarXFN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2009JaguarVanden PlasN/AThermostat and housing are included.
2009JaguarXJ8N/AThermostat and housing are included.
2009JaguarXKN/AThermostat and housing are included.
2008JaguarS-Type4.2LV8N/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2008JaguarS-TypeN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2008JaguarVanden PlasN/AThermostat and housing are included.
2008JaguarXJ8N/AThermostat and housing are included.
2008JaguarXKN/AThermostat and housing are included.
2007JaguarS-Type4.2LV8N/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2007JaguarS-TypeN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2007JaguarVanden PlasN/AThermostat and housing are included.
2007JaguarXJ8N/AThermostat and housing are included.
2007JaguarXKN/AThermostat and housing are included.
2006JaguarS-Type4.2LV8N/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2006JaguarS-TypeN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2006JaguarVanden PlasN/AThermostat and housing are included.
2006JaguarXJ8N/AThermostat and housing are included.
2005JaguarS-Type4.2LV8N/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2005JaguarS-TypeN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2005JaguarVanden PlasN/AThermostat and housing are included.
2005JaguarXJ8N/AThermostat and housing are included.
2004JaguarS-Type4.2LV8N/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2004JaguarS-TypeN/ANaturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2004JaguarVanden PlasN/AThermostat and housing are included.
2004JaguarXJ8N/AThermostat and housing are included.
2003JaguarS-Type4.2LV8N/AFrom Chassis M45255; INCLUDES THERMOSTAT AND HOUSING; Naturally Aspirated
2003JaguarS-TypeN/AFrom Chassis M45255; INCLUDES THERMOSTAT AND HOUSING; Naturally Aspirated

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.