Rear drive belt with 128 teeth and 1-1/2-inch width, cross-referencing Harley-Davidson OEM 40012-90. Check the photos and belt carefully for tooth condition, cracking, edge wear, and storage marks.
Part Number: 40012-90
Condition: Used – inspect before listing
USED PARTS DISCLAIMER: This is a used motorcycle part and may show normal signs of age, installation, removal, storage, and previous use, including scratches, scuffs, discoloration, surface corrosion, or other cosmetic wear. Any known damage or defects will be noted when known. Photos are considered part of the product description, so please review them carefully.
FITMENT NOTES: 128-tooth, 1-1/2-inch belt replacing OEM 40012-90. Published application data includes 1993-1994 Softail and select 1991-1993 Dyna HDI models. Verify stock pulley configuration.
FITMENT: Buyer is responsible for verifying fitment before purchasing. Fitment information is provided as a reference based on available part numbers, markings, dimensions, and published application data. Compare the part number, tooth count, width, mounting points, connectors, measurements, and photos with the part currently on your motorcycle.
QUESTIONS? Send us a message before purchasing if you need additional measurements, photos, condition details, or clarification on what is included.
SHIPPING: Orders are typically processed and shipped within 1–2 business days after payment. Tracking is provided once the order ships. Parts are packed according to size, weight, and type. Multiple items may be combined when practical. Large, heavy, or oversized parts may require additional handling.