OE part number 454021 is a Coolant expansion tank compatible with AUDI, AUDI (FAW) and other makes. Available from 7 brands, priced from £16.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant expansion tank OE 454021 prices range from £16.99 to £33.99, with 7 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 454021 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 454021 fits vehicles from AUDI, AUDI (FAW), BMW and other compatible models listed below.
What part type is 454021?
OE 454021 is an original equipment reference for a Coolant expansion tank. It identifies the exact part specification used by the vehicle manufacturer.
How much does Coolant expansion tank 454021 cost?
Replacement parts for OE 454021 cost between £16.99 and £33.99, depending on brand and specification.
Which brands make Coolant expansion tank 454021?
TOPRAN, FEBI BILSTEIN, NTY, KAMOKA, MAHLE all offer compatible replacements for OE 454021.
Is 454021 original equipment or aftermarket?
OE 454021 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 454021?
OE (Original Equipment) number 454021 is a manufacturer's reference code for Coolant expansion tank used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 7 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 454021.
