Engines and Components› Belts and Pulleys
Gates
Gates 2003 Kenworth W900 Cummins ISX Diesel Fan & Alt. Standard V-Ribbed Belt
SKU: G002 K120931
Beginner — under 30 min
Description
This serpentine belt has a standard cross-section designation (K) with 12 ribs, a top width of 1.647 inches, and an effective length of 93.19 inches. Its unique form grinding ensures precise dimensional control, and its special construction helps eliminate belt noise, reduce tension loss, and solve drive application problems. The belt meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.
Fitment
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Specifications
| Brand | Gates |
| Part Number | G002 K120931 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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