Dorman 603-664 | Front Engine Coolant Reservoir

Part Number
Pressurized Coolant Reservoir

Fits: 2010-2010 Jaguar XFR, 2005-2009 Jaguar Super V8, 2009-2010 Jaguar XF, 1999-2002 Jaguar S-Type, 2000-2008 Jaguar S-Type, 2003-2008 Jaguar S-Type, 2004-2009 Jaguar Vanden Plas, 2004-2009 Jaguar XJ8

Fits: 99-08 Jaguar S-Type, 04-09 Jaguar Vanden Plas, 05-09 Jaguar Super V8, 09-10 Jaguar XF, 04-09 Jaguar XJ8, 10 Jaguar XFR
In stock
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Estimated Ship Date: 1 Business Day or Less


Pressurized Coolant Reservoir

This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.


  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience


Cap Included:Yes
Cap Maximum Pressure Rating:20.3
Cap Type:Pressurized Coolant
Capacity:2 L
Level Sensor Included:Yes
Mounting Brackets Included:No
Mounting Hardware Included:No
Mounting Hole Quantity:1
Package Contents:1 Coolant Reservoir; 1 Cap; 1 Level Sensor


  • Jaguar: C2C39438
  • Jaguar: XR847956
  • Jaguar: XR839081
  • Jaguar: C2C34557
  • Jaguar: C2C41899
  • Chrysler: XR850837
  • Chrysler: XR82823
  • Jaguar: C2Z13764
  • Jaguar: XR818921
  • URO Parts: C2C41899
  • Jaguar: XR852096
  • Jaguar: C2P17700


  • 1999-2008 Jaguar S-Type        Position: Front        Note: From VIN M45255
  • 2004-2009 Jaguar XJ8        Position: Front
  • 2004-2009 Jaguar Vanden Plas        Position: Front
  • 2005-2009 Jaguar Super V8        Position: Front
  • 2009-2010 Jaguar XF        Position: Front
  • 2010 Jaguar XFR        Position: Front


2 Lt.

Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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