Second Hand Vauxhall Insignia Oil Pump

Yes, every Vauxhall Insignia has an oil pump regardless of engine, fuel type, or body style — it is a fundamental component of any internal combustion engine and is fitted to all petrol and diesel variants. What varies is the specific pump used, which is determined primarily by the engine code rather than anything else. Make sure you have your engine code to hand (found on your V5C or via a VIN check) before approaching a breaker.

This question spans the two main Insignia generations: the Mk1 (2008–2017, with a facelift in 2013) and the Mk2 (2017–2022), so a 2010 and a 2016 are actually both Mk1 cars. However, engine code is the critical factor — two Mk1 cars sharing the same engine code are far more likely to interchange than two cars of the same year with different engines. Confirm the engine codes match and then check with the breaker against your registration before buying.

The Insignia Mk1 was facelifted in 2013, and while many mechanical components carried over, there can be ancillary and mounting changes mid-production that are not always obvious. If your engine code matches the donor car's engine code, fitment is much more likely, but you should confirm with the breaker against your registration to be sure.

No, trim level has no effect on which oil pump you need — SE, SRi, Elite, and Design trims do not have different oil pumps. What matters is the engine code, which can be the same across multiple trim levels. Focus on matching engine codes rather than trim names when sourcing a used pump from a breaker.

The 2.0 CDTi engine family was used across the Insignia's production run but there were different variants and updates within it, identified by specific engine codes such as A20DTH or A20DTJ. Matching the engine code precisely gives you the best chance of finding a compatible pump; fuel type alone (diesel) is not specific enough. Ask your breaker to cross-reference the engine code from your V5C or a VIN check before committing to a purchase.

Because the oil pump follows the engine rather than the car body, a pump from another vehicle — such as an Opel Insignia, Vauxhall Astra, or Saab 9-5 — using the identical engine code can potentially interchange. This can be useful if Insignia-sourced pumps are scarce, as breakers sometimes hold stock from related models. Always confirm the engine code match with the breaker and verify against your registration before purchasing.