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14 matching parts
About OE part number 120421
OE part number 120421 is a Air cleaner compatible with ALPINA, AUDI and other makes. Available from 11 brands, priced from £6.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Air cleaner OE 120421 prices range from £6.99 to £8.99, with 11 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 120421 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 120421 fits vehicles from ALPINA, AUDI, BMW and other compatible models listed below.
What part type is 120421?
OE 120421 is an original equipment reference for a Air cleaner. It identifies the exact part specification used by the vehicle manufacturer.
How much does Air cleaner 120421 cost?
Replacement parts for OE 120421 cost between £6.99 and £8.99, depending on brand and specification.
Which brands make Air cleaner 120421?
BLUE PRINT, TOPRAN, ABAKUS, DJ PARTS, MERTZ all offer compatible replacements for OE 120421.
Is 120421 original equipment or aftermarket?
OE 120421 is an original equipment reference used by TOYOTA, MAZDA, BMW. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements tested against the same specification.
What is OE number 120421?
OE (Original Equipment) number 120421 is a manufacturer's reference code for Air cleaner used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 11 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 120421.