Aftermarket direct-replacement parts for Kenworth trucks (T680 and more) — what we stock, how the model families differ, and how to verify fitment by VIN or cross-reference before you buy.
Kenworth models we stock parts for
PartStop carries premium-quality aftermarket direct replacements for Kenworth trucks including T680, T880, T800, W900, W990, T370, T270, C500 — running PACCAR MX-13 and Cummins X15 power. Every part ships from Tacoma, WA the same business day when ordered before the daily cutoff, with free standard shipping on orders over $100 and a 6+ month warranty.
Know your model family before ordering
Kenworth splits into two worlds: the aerodynamic T680/T880 that dominate highway fleets, and the classic long-hood W900 that owner-operators keep on the road for decades. Parts do not cross between the two families — an aero-cab mirror or headlight will never fit a W-model.
Because W900s stay in service so long, aftermarket direct replacements are often the ONLY practical supply for their trim, lighting and body hardware — dealer stock thins out on 20-year-old trucks while the aftermarket keeps making them.
Three ways to guarantee the right fit
- VIN search: paste your Kenworth VIN into the catalog search — you get the decoded truck plus only the parts verified to fit that build.
- Cross-reference number: search the number stamped on your old part; our listings match by verified cross-references, not photos.
- Call us: (253) 600-1351 with the VIN and part number — we confirm fitment before you pay. Wrong-part returns waste a week; a 2-minute check doesn't.
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Premium-quality aftermarket direct replacements — nationwide same-day shipping, 6+ month warranty.