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Related cross-references
Cross-reference numbers associated with B509951 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE B509951 fits vehicles from VW and other compatible models listed below.
What part type is B509951?
OE B509951 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 B509951 cost?
Replacement parts for OE B509951 cost £143.99.
Which brands make Alternator Regulator B509951?
BOSCH all offer compatible replacements for OE B509951.
Is B509951 original equipment or aftermarket?
OE B509951 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 B509951?
OE (Original Equipment) number B509951 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 B509951.
