For any Jaguar enthusiast, professional mechanic, or restoration specialist, few tools are as vital as the EPC Jaguar system. Whether you are trying to source a rare trim piece for a 1960s E-Type, locate a sensor for a modern F-Pace, or simply understand the intricate anatomy of your vehicle, the Electronic Parts Catalogue (EPC) is your roadmap.
In this deep-dive guide, we will explore what the Jaguar EPC is, why it is superior to generic parts databases, how to navigate its specific quirks, and how it integrates with modern diagnostic tools. The EPC Jaguar (Electronic Parts Catalogue) is the official digital parts database used by Jaguar Land Rover (JLR) dealerships and independent specialists. Unlike generic aftermarket catalogs, the official EPC is a direct digital replica of Jaguar’s internal manufacturing and inventory system.
The diagram will show the expansion tank (illustration #5). Click the part number: C2Z 14782 . epc jaguar
Launch your EPC software. Select "New Session" and input the VIN. The system auto-fills your model, engine code (AJ34), transmission, and market (USA/EU/UK).
Invest the time to learn the menu structure. Download a copy of the diagrams for your specific VIN. In the world of British engineering, the difference between a nightmare repair and a smooth restoration is often just one part number—the one you find in the EPC. Disclaimer: The EPC Jaguar system is proprietary to Jaguar Land Rover. Always use official sources for commercial repairs. The EPC Jaguar (Electronic Parts Catalogue) is the
The EPC notes: "Superseded by C2Z 21766." This means Jaguar improved the tank design. Without the EPC, you would have bought the old, faulty tank.
Find your VIN on the dashboard (driver's side, through the windshield) or the door jamb sticker. Click the part number: C2Z 14782
Expand the following menu: Group 03 – Cooling System > Sub-group 035 – Cooling System Hoses & Tank