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    Free Parts Cross-Reference Lookup

    Find aftermarket equivalents for any OEM part. Bosch, Denso, ACDelco, NAPA, Wix, Fram, Gates, Moog and more.

    Frequently asked

    What is a parts cross-reference?

    It maps an OEM part number to equivalent aftermarket numbers from brands like Bosch, Denso, ACDelco, Motorcraft, NAPA, Wix, Fram, Gates, Dayco, Moog, MAHLE and more — so you can source the right part faster and cheaper.

    Is this really free?

    Yes. Unlimited lookups, no signup required. Powered by Repairius AI.

    How accurate is it?

    AI cross-references are best-effort suggestions based on industry-standard interchange data. Always verify fitment with the seller before ordering.

    Can I use this in my shop?

    Yes — and Repairius shops get a one-click cross-reference button built into every parts request and work order.