Description
The Audi Plug 0CK321439A is a genuine OEM transmission drain plug designed for use in the automatic gearbox/transmission oil pan. It provides a secure closure for the transmission fluid sump to allow servicing (draining and refilling) of transmission oil without leaks. This plug ensures proper sealing under pressure and is engineered to meet Audi’s factory specifications for reliability and long service life.
Specifications
- Part Number: 0CK321439A (also referenced as 0CK‑321‑439‑A / 0CK‑321‑439)
- Part Type: Transmission Drain Plug
- Material: Metal or high‑strength steel (OEM finish)
- Function: Seals the transmission oil pan during normal operation and allows controlled draining during maintenance.
- Fitment: OEM replacement for select Audi A4, A5, A6, A7, Q5 and related VAG models (various engine/transmission combos) from mid‑2010s onward (confirm exact fit with VIN).













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