OEM Workshop Diagram — oil pressure line for gearbox oil cooling Gear oil cooler for 8-speed automatic gearbox
Original installation position for OE 4H0317021AA. The red ring marks where this part installs on the vehicle.
Position 1 on A8 A8/S8 Quattro D4 (Typ 4H) Facelift (2014–2017) — oil pressure line for gearbox oil cooling Gear oil cooler for 8-speed automatic gearbox
OEM workshop diagram — sourced from manufacturer parts catalogue.
Fits these vehicles
OE 4H0317021AA is compatible with the following make/model combinations:
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Related cross-references
Cross-reference numbers associated with 4H0317021AA — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 4H0317021AA fits vehicles from AUDI and other compatible models listed below.
What part type is 4H0317021AA?
OE 4H0317021AA is an original equipment reference for a Automatic transmission oil cooler. It identifies the exact part specification used by the vehicle manufacturer.
How much does Automatic transmission oil cooler 4H0317021AA cost?
Replacement parts for OE 4H0317021AA cost £344.99.
Which brands make Automatic transmission oil cooler 4H0317021AA?
MAHLE all offer compatible replacements for OE 4H0317021AA.
Is 4H0317021AA original equipment or aftermarket?
OE 4H0317021AA is an original equipment reference assigned by the vehicle manufacturer. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements that meet the same specification.
What is OE number 4H0317021AA?
OE (Original Equipment) number 4H0317021AA is a manufacturer's reference code for Automatic transmission oil cooler used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 4H0317021AA.
