Second Hand Vauxhall Insignia Coil Pack

The Insignia ran as the Mk1 from 2008 to 2017, with a facelift in 2013, so a 2012 car is pre-facelift and a 2015 is post-facelift — both sit within the same generation but either side of that boundary. Coil packs follow the engine code rather than the model year, so if both cars share the same engine code (found on your V5 or via a VIN check) there is a strong basis for compatibility, but whether ancillary or connector changes were made around the 2013 facelift is something you should confirm with the breaker against your registration before buying.

Yes, but only on petrol-engined Insignias — coil packs are part of the ignition system and petrol engines need them to fire the spark plugs, whereas diesel engines use glow plugs instead and have no coil pack at all. If your Insignia is a diesel (for example a 2.0 CDTi), you are looking for the wrong part; if it is a petrol (such as a 1.6, 1.8, or 2.0 turbo petrol), a coil pack is the correct item to search for. Check your V5 fuel type if you are unsure which you have.

The Insignia Mk1 ran from 2008 to 2017 and the Mk2 (also sold as the Insignia Grand Sport and Insignia Sports Tourer) from 2017 onwards — these are substantially different cars with different engine families, so a coil pack from a Mk1 is very unlikely to be a direct fit on a Mk2. Engine codes are the definitive guide here, and you should provide your exact engine code to the breaker so they can match the part correctly rather than going by generation alone.

No — trim level makes no difference whatsoever to which coil pack you need; SE, SRi, and Elite are all cosmetic and equipment grades built around the same mechanical underpinnings. What determines the correct coil pack is the engine code, which will be the same across trims fitted with the same engine. Give the breaker your engine code and registration rather than your trim name and they will be able to match the right part.

The single most useful piece of information is your engine code, which you can find on your V5 logbook or by running a VIN check — it tells the breaker exactly which engine variant you have, which matters far more than the year or trim. You should also confirm your fuel type (petrol only — diesel Insignias do not use coil packs) and the model year, as coil pack configurations can vary within the Mk1 (2008–2017) and Mk2 (2017 onwards) runs. The more precise your engine code, the more confident the breaker can be when supplying the right part.

Insignia petrol engines typically use one coil pack per cylinder, so a 1.6 or 1.8 four-cylinder will have four, and a V6 will have six — you can replace just the failed one, but many mechanics recommend replacing all of them at the same time if the car has high mileage, since the others are likely to follow. Used coil packs from a breaker are a cost-effective way to do a full set, and if you confirm your engine code the breaker can ensure all units supplied are from the same engine variant. This is worth discussing with whoever is fitting the part for you.