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Why Fitment Data Fails on Most Marketplaces (And What We Did About It)

Most fitment 'data' is just seller-entered text in a box. Here's why that's a multi-billion-dollar problem.

Parts Match EngineeringApril 22, 20265 min read

Returns in the used-parts industry hover around 20%. The single largest cause? Wrong-fit parts. Not damaged. Not late. Wrong. Sellers list parts as 'fits 2015–2020' when they actually fit 2017–2019 with a specific engine code. Buyers find out after install.

What we built

Parts Match enforces structured fitment at the listing level. Sellers select from validated year/make/model/engine combinations. Buyers see compatibility verified against their saved garage vehicles before checkout. Smart Matches surfaces parts that fit your exact vehicle, not parts that 'might' fit your vehicle.