Genuine Jaguar C2C42226 Engine Coolant Expansion Tank Reservoir OEM

The Genuine Jaguar C2C42226 is an OEM engine coolant expansion tank (also known as a coolant reservoir or radiator overflow tank) designed as a direct factory replacement for a wide range of Jaguar models. Sourced directly from Jaguar, this part ensures an exact fit and meets all original engineering specifications.

The coolant expansion tank plays a critical role in the engine cooling system. It accommodates coolant that expands as engine temperature and pressure rise, and returns that coolant to the radiator once the system cools down, maintaining proper fluid levels and preventing overheating.

Key Features:

• Genuine OEM Jaguar part — ensures precise fit and factory-level quality
• Replaces the coolant expansion tank/coolant reservoir in applicable Jaguar models
• Compatible with naturally aspirated V6 and V8 engines (not for supercharged 4.2L applications)
• Designed for use on XJ (X350/X358), XF, S-Type, Super V8, Vanden Plas, and XJR models
• Supersedes earlier OEM part numbers: C2C34557, C2C39438, C2Z13764, XR839081, XR847956, XR852096
• Current superseding part number: C2C41899

OEM & Cross-Reference Part Numbers: C2C42226, C2C41899, C2C34557, C2C39438, C2Z13764, XR839081, XR847956, XR852096

Replacing a failed or cracked expansion tank promptly helps prevent coolant leaks, loss of antifreeze, and the risk of engine overheating. This genuine Jaguar component delivers the reliability and fit that aftermarket alternatives cannot guarantee.