Second Hand Peugeot 406 Subframe

The Peugeot 406 ran from 1995 to 2004, with a facelift introduced in 1999, and while the overall platform is broadly similar across the range, subframe geometry and mounting points can vary between pre-facelift and post-facelift cars. You should tell the breaker your exact registration so they can confirm whether the subframe from across that 1999 boundary will bolt straight in without modification. Never assume a pre-1999 unit will drop straight into a post-1999 car without checking.

On the 406, larger-engined variants — particularly the 3.0 V6 — can have a different front subframe to accommodate the additional weight and different drivetrain layout compared to the smaller four-cylinder petrol and diesel units. When contacting a breaker, give them your engine size as well as your registration to make sure the unit they have matches your car. Don't just quote the model name; the engine matters here.

Trim level — whether your 406 is an LX, GLX, SRi, or Executive — does not affect which subframe you need, as the running gear is determined by the engine and model year rather than the trim designation. You may find minor cosmetic differences on parts that come attached to a subframe from a different trim car, but the subframe itself is not trim-specific. Confirm engine size and registration with the breaker and you can disregard the trim badge entirely.

The 406 was offered in both saloon and estate body styles, and while the front subframe is generally shared across body styles because it sits ahead of the passenger compartment, it is worth confirming this with the breaker against your specific registration rather than assuming. Rear subframe assemblies are more likely to differ between body styles due to differing load and suspension requirements on the estate. Always give the breaker your full registration and body style when requesting a quote.

This question sits right on the 1999 facelift boundary, and while the underlying platform carries over, subframe mounting points and associated components can differ between the pre-1999 and post-1999 cars in ways that aren't always obvious. We'd strongly recommend confirming this specific cross-boundary interchange directly with the breaker, quoting both your registration and the donor car's details. A reputable breaker will be able to cross-reference the part numbers to tell you definitively whether the swap will work.

In many cases the subframe itself is shared between petrol and diesel 406s of the same generation, as the platform is common, but this is more reliable to confirm when both cars are similar-sized engines — for example, swapping between a 1.8 petrol and a 2.0 HDi is generally closer than swapping in a subframe from a V6 car. Give the breaker your registration and the engine code of the donor car so they can verify the part is a genuine match before you commit to buying. Don't rely on the assumption that diesel and petrol always share the same subframe without that check.