Rear Final Drive Identification

Rear Final Drive Identification

The 0BC rear final drive unit is used with the following transmissions:

• 6-Speed Manual Transmission 0B2 AWD

• 6-Speed Manual Transmission 0B4 AWD

• 7-Speed DSG Transmission 0B5 AWD

• 6-Speed Automatic Transmission 0B6 AWD

• 8-Speed Automatic Transmission 0BK AWD

• 8 speed automatic transmission 0BW AWD (only Q5 hybrid)

Allocation Rear Final Drive

• Audi A4 from MY 2008 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi A5 Coupe from MY 2008 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi A5 Cabriolet from MY 2009 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi Q5 from MY 2008 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi Q5 Hybrid from MY 2008 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi A6 from MY 2011 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi A7 from MY 2011 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

• Audi A8 from MY 2010 => [ Transmission Allocations, Ratios and Capacities ] Transmission Allocations, Ratios and Capacities

Location on Rear Final Drive






Final Drive 0BC - arrow 1 - and 0AR

Engine code and build date - arrow 2 -

Final Drive 0BC - arrow - and 0AR






• "0AR" can always be found on the rear final drive housing. Changes to the housings is what differentiate the "0BC" and "0AR" final drives.

• They can also be distinguished by the location of the threaded holes - arrows - for securing the crossmember on the rear final drive.






• The final drive "0BC" has 4 threaded holes - arrows - in the housing for securing the crossmember There is also an additional threaded hole for securing the final drive to the subframe under the flange/driveshaft.

Rear Final Drive Code Letters and Build Date











Additional data can be ignored.

• When installing a new rear final drive unit, the final drive code, the PR number and the vehicle engine code must be verified in the Parts Catalog. This is the only way to assure the correct allocation.