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Related cross-references
Cross-reference numbers associated with REG421020A — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE REG421020A is compatible with the makes listed below on this page.
What part type is REG421020A?
OE REG421020A is an original equipment reference for a Alternator Regulator. It identifies the exact part specification used by the vehicle manufacturer.
How much does Alternator Regulator REG421020A cost?
Replacement parts for OE REG421020A cost between £20.99 and £45.99, depending on brand and specification.
Which brands make Alternator Regulator REG421020A?
AS-PL all offer compatible replacements for OE REG421020A.
Is REG421020A original equipment or aftermarket?
OE REG421020A 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 REG421020A?
OE (Original Equipment) number REG421020A is a manufacturer's reference code for Alternator Regulator used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 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 REG421020A.
