Genuine AJ811793 Engine Coolant Thermostat Housing

OE Quality 60-Day Returns

Genuine AJ811793 Engine Coolant Thermostat Housing

Brand	Genuine AJ811793
Fits	Jaguar · 28 vehicles

OE direct replacement. Engine coolant thermostat housing for straightforward replacement.

Thermostat housing for the cooling system.

$369.51Free shipping

In stock · usually ships same day before 1pm CST

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Jaguar Thermostat Housing Replacement

Restore proper engine cooling with this Genuine engine coolant thermostat housing, part number AJ811793. It is a direct-fit thermostat and housing assembly for select Jaguar applications, including Jaguar XF, XJ8, Vanden Plas, XK, and S-Type models with naturally aspirated engines where noted.

Key Features

Genuine engine coolant thermostat housing for OE-style fit and function
Includes thermostat and housing for the listed applications
Fits select 2003-2010 Jaguar cooling system applications
Part number AJ811793 for accurate ordering and service lookup
Compatible with Jaguar XF, XJ8, Vanden Plas, XK, and S-Type fitments shown below

Detailed Description

This Genuine AJ811793 engine coolant thermostat housing is used in the cooling system to regulate coolant flow and help the engine reach and maintain proper operating temperature. It is listed for 2010 Jaguar XF naturally aspirated applications, 2004-2009 Jaguar Vanden Plas, 2004-2009 Jaguar XJ8, 2007-2009 Jaguar XK, 2004-2008 Jaguar S-Type naturally aspirated applications, and 2003 Jaguar S-Type from chassis M45255. If you are replacing a Jaguar thermostat housing, AJ811793 provides the correct OE-style service part for the specified vehicles.

What It Helps Address

Coolant leaks at the thermostat housing
Engine running too cool or too hot
Temperature fluctuation from a worn thermostat assembly
Cooling system service on Jaguar XF, XJ8, Vanden Plas, XK, and S-Type models
Replacement of a damaged or aging thermostat housing

Installation Notes and Tips

Verify engine type and chassis break information before ordering, especially for the 2003 Jaguar S-Type application. Inspect the mating surfaces, coolant hoses, and seals during installation, then refill and bleed the cooling system according to Jaguar service procedures. Confirm the part number AJ811793 matches the original application before installation.

Quality Assurance

Genuine replacement part engineered for the listed Jaguar applications. This part cross-references no additional part numbers in the provided data.

This part fits 28 vehicles

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

Year	Make	Model	Liters	Cylinders	Position	Notes
2010	Jaguar	XF	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2009	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2009	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2009	Jaguar	XK	—	—	N/A	Thermostat and housing are included.
2008	Jaguar	S-Type	4.2L	V8	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2008	Jaguar	S-Type	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2008	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2008	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2008	Jaguar	XK	—	—	N/A	Thermostat and housing are included.
2007	Jaguar	S-Type	4.2L	V8	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2007	Jaguar	S-Type	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2007	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2007	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2007	Jaguar	XK	—	—	N/A	Thermostat and housing are included.
2006	Jaguar	S-Type	4.2L	V8	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2006	Jaguar	S-Type	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2006	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2006	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2005	Jaguar	S-Type	4.2L	V8	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2005	Jaguar	S-Type	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2005	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2005	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2004	Jaguar	S-Type	4.2L	V8	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2004	Jaguar	S-Type	—	—	N/A	Naturally Aspirated Engine Coolant Thermostat Housing includes thermostat and housing
2004	Jaguar	Vanden Plas	—	—	N/A	Thermostat and housing are included.
2004	Jaguar	XJ8	—	—	N/A	Thermostat and housing are included.
2003	Jaguar	S-Type	4.2L	V8	N/A	From Chassis M45255; INCLUDES THERMOSTAT AND HOUSING; Naturally Aspirated
2003	Jaguar	S-Type	—	—	N/A	From Chassis M45255; INCLUDES THERMOSTAT AND HOUSING; Naturally Aspirated
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