OE part number AT20055 is a Crankcase ventilation oil separator used by BMW. We have 7 compatible replacement parts from TOPRAN, ESEN SKV, AIC, HENGST FILTER, FEBI BILSTEIN.
Crankcase ventilation oil separator OE AT20055 prices range from £21.99 to £53.99, with 6 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with AT20055 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE AT20055 fits vehicles from BMW and other compatible models listed below.
What part type is AT20055?
OE AT20055 is an original equipment reference for a Crankcase ventilation oil separator. It identifies the exact part specification used by the vehicle manufacturer.
How much does Crankcase ventilation oil separator AT20055 cost?
Replacement parts for OE AT20055 cost between £21.99 and £53.99, depending on brand and specification.
Which brands make Crankcase ventilation oil separator AT20055?
TOPRAN, ESEN SKV, AIC, HENGST FILTER, FEBI BILSTEIN all offer compatible replacements for OE AT20055.
Is AT20055 original equipment or aftermarket?
OE AT20055 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 AT20055?
OE (Original Equipment) number AT20055 is a manufacturer's reference code for Crankcase ventilation oil separator used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 6 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 AT20055.
