Cheap Alfa Romeo Brera Transfer Box

No — the Alfa Romeo Brera (2005–2010) was never offered with four-wheel drive, so it has no transfer box at any point in its production. All Brera variants, whether petrol or diesel, used either front-wheel drive or rear-wheel drive layouts, neither of which requires a transfer box. If you are chasing a drivetrain noise or vibration, the part you are more likely looking for is a differential, driveshaft, or propshaft depending on your exact variant.

A transfer box is only found on four-wheel-drive vehicles, and the Brera was never built in a 4WD configuration, so no such part exists for this model. Depending on your drivetrain symptoms, you may actually need a front differential, a rear differential, a driveshaft (half-shaft on the NS or OS), or a propshaft on the rear-wheel-drive variants. It is worth getting a proper diagnosis before ordering, and a breaker can help confirm the correct part once you supply your registration or engine code.

No — the Q2 is Alfa Romeo's limited-slip differential system, which is a feature of the differential itself rather than a separate transfer box. The Q2 was available on certain Brera variants but does not indicate four-wheel drive, and there is still no transfer box involved. If the Q2 unit is the source of your problem, search specifically for a Q2 differential rather than a transfer box.

For a rear-wheel-drive Brera the most common drivetrain parts to investigate are the propshaft, rear differential, and driveshafts; for a front-wheel-drive variant focus on the front driveshafts and front differential. Quoting your engine code to the breaker — found on your V5 or via a VIN check — is the single most useful thing you can do, as it pinpoints exactly which drivetrain configuration you have. A transfer box is not a valid part to request for any Brera, so if a supplier lists one for this model treat that with caution.