Keeps your AUDI, PORSCHE running the way it should — this APEC part restores the original function of a worn or failed Control Trailing Arm APEC OE Ref 8K0 407 509J, built to OEM reference 8K0407509B rather than a generic approximation.
APEC identifies it as AST2964, EAN: 5056536547071. Match that against OEM 8K0407509B or your old part before fitting, particularly if your vehicle's had any running changes across its production years.
Confirmed for selected AUDI, PORSCHE vehicles. Use the vehicle registration lookup tool if you're not certain, or browse Suspension for other options.