Second Hand Vauxhall Signum Bonnet Strut

Yes, the Signum uses gas-filled bonnet struts (also called bonnet lifters or bonnet support struts) to hold the bonnet open, rather than a traditional prop rod. This applies across all Signum variants regardless of engine or trim, so any Signum should have a pair of these struts fitted.

The Signum was produced from 2003 to 2008, sharing its platform with the Vectra C. It received a facelift in 2005, which brought updated front-end styling including revised lights and bumpers. When sourcing bonnet struts, the key question is whether the breaker's part comes from a pre-facelift (2003–2005) or post-facelift (2005–2008) car, so always confirm this with the breaker against your registration.

The 2004 car is pre-facelift and the 2006 car is post-facelift, and while bonnet struts are mechanically simple gas struts, the bonnet itself may differ slightly across that 2005 facelift boundary. Whether the struts interchange directly is something you should confirm with the breaker against your registration before buying.

Yes, trim level does not affect bonnet strut fitment on the Signum — struts from an Elegance, Design or any other trim will be the same part. There are no cosmetic or specification differences in the struts themselves between trims, so you can safely disregard trim level when sourcing this part.

No, engine and gearbox choice make no difference to bonnet strut fitment on the Signum. The same struts are used whether the car has a petrol or diesel engine, manual or automatic gearbox, so you do not need to match on drivetrain when looking for a used set.

The Signum has two bonnet struts, one on each side. It is generally recommended to replace them as a pair from the same donor car, as mismatched struts of different ages can cause uneven support and the bonnet may not stay open reliably — a breaker should be able to supply both from the same vehicle.