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19 matching parts
About OE part number 18521
OE part number 18521 is a Air cleaner compatible with ACURA, BMW and other makes. Available from 15 brands, priced from £8.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Air cleaner OE 18521 prices range from £8.99 to £21.99, with 15 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 18521 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 18521 fits vehicles from ACURA, BMW, CHRYSLER and other compatible models listed below.
What part type is 18521?
OE 18521 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 18521 cost?
Replacement parts for OE 18521 cost between £8.99 and £21.99, depending on brand and specification.
Which brands make Air cleaner 18521?
ASHIKA, JAPKO, BLUE PRINT, Dr!ve+, DENCKERMANN all offer compatible replacements for OE 18521.
Is 18521 original equipment or aftermarket?
OE 18521 is an original equipment reference used by NISSAN, CITROËN, CITROËN/PEUGEOT. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements tested against the same specification.
What is OE number 18521?
OE (Original Equipment) number 18521 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 15 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 18521.