OE part number B11921 is a Crankcase ventilation oil separator compatible with AUDI, CITROËN and other makes. Available from 5 brands, priced from £43.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Crankcase ventilation oil separator OE B11921 prices range from £43.99 to £131.99, with 5 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with B11921 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE B11921 fits vehicles from AUDI, CITROËN, CUPRA and other compatible models listed below.
What part type is B11921?
OE B11921 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 B11921 cost?
Replacement parts for OE B11921 cost between £43.99 and £131.99, depending on brand and specification.
Which brands make Crankcase ventilation oil separator B11921?
FEBI BILSTEIN, TOPRAN, ESEN SKV, METZGER AUTOTEILE, KAMOKA all offer compatible replacements for OE B11921.
Is B11921 original equipment or aftermarket?
OE B11921 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 B11921?
OE (Original Equipment) number B11921 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 5 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 B11921.
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