Audi A4 (b7) Diesel Injectors

Showing common injectors used in Audi engines. Search by part number for an exact match.

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The Audi A4 TDI has been a cornerstone of the premium diesel market since the 1990s. From the B6 generation with PD injectors through to modern B9 common rail systems, we supply tested, calibrated injectors for every A4 diesel variant. Our remanufactured units match Audi's quattro-worthy quality standards.

Common injector faults on the Audi A4

B7/B8 2.0 TDI camshaft wear affecting injector timing
CR injector carbon buildup in stop-start traffic
Injector harness connector failures

Popular engine codes

BPW BRE CAHA CJCA DFHA

Rough idle guide Excess smoke Poor fuel economy How remanufacturing works 12-month warranty

Confirm your engine or part number

We have not yet confirmed a specific injector for the Audi A4 (b7). Check the engine code on your V5C or the OE number on the failed injector and search for an exact match — or contact us for a free fitment check.

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Other injectors for Audi vehicles — compatibility not confirmed

Popular Audi injectors from our catalogue. These have not been confirmed for the Audi A4 (b7) — match the engine code or OE part number before ordering.