Second Hand Vauxhall Cavalier Fuel Pump

The Cavalier Mk3 ran from 1988 to 1995, and within that generation fitment is primarily driven by engine code and fuel type rather than the year alone — a petrol Mk3 pump will not suit a diesel Mk3, for example. Confirm the engine code from your V5 or a VIN check and supply it to the breaker, as there were several different petrol and diesel units across the Mk3 range. Never assume all Mk3 pumps are identical without that check.

The Mk3 received a facelift in 1992, and while the engine family carried over in many cases, ancillary and mounting details can change mid-production, meaning a pump from a pre-facelift car may or may not be a direct swap onto a post-facelift one. The safest approach is to confirm your exact engine code with the breaker and ask them to check it against the donor registration rather than relying on year alone. Naming the boundary honestly here — 1992 — is important, but whether a specific pump crosses it is something only the breaker can confirm against the actual parts.

Trim level does not affect fuel pump fitment on the Cavalier — GL, GLS, and CDX are equipment and interior grades, not separate mechanical specifications. What matters is the engine code and fuel type fitted to your particular car, both of which can be the same across different trim levels. A breaker may quote you the same pump regardless of trim, so focus on supplying your engine code rather than your trim name.

The Cavalier spans a long production history across Mk1 (1975–1981), Mk2 (1981–1988), and Mk3 (1988–1995), and both carburetted and fuel-injected engines were offered across those generations. Later Mk3 fuel-injected petrol engines and diesel variants do use an electric fuel pump, typically mounted in or near the fuel tank, so the part is genuine and relevant for those cars. However, earlier carburetted engines on the Mk1 and Mk2 used a mechanical fuel pump rather than an electric one, so confirm which type your engine uses before searching.

No — diesel and petrol fuel systems are fundamentally different, and the pumps are not interchangeable. A diesel Cavalier uses a high-pressure injection pump as well as a lift pump suited to diesel fuel, while a petrol fuel-injected Cavalier uses a low-pressure electric pump designed for petrol. Always specify your fuel type clearly to the breaker alongside your engine code to ensure you receive the correct unit.

The most important detail is your engine code, which you can find on your V5 logbook or via a VIN check — this tells the breaker exactly which unit your car needs, regardless of year or trim. You should also confirm whether your car is petrol or diesel and whether it is fuel-injected, as these factors change the type of pump required. Supplying your full registration allows a good breaker to cross-reference their stock accurately and flag any fitment concerns before you buy.