
Product information
Overview
The Sprocket, Transmission, 21-Tooth for 1991-1992 Sportster XL mounts on the transmission mainshaft and establishes the stated final-drive chain tooth count. It cross-references OEM 37709-89. Only the exact configuration and package quantity listed below are included.
Key Specifications
- Package Quantity: 1 Piece
- OEM Cross-Reference: 37709-89
Fitment
Harley-Davidson: 1991-1992 Sportster XL
Package and Purchase Notes
Confirm the original component, motorcycle model, model year, shift-control or final-drive configuration, tooth count, center bore, offset or chain line, finish, and OEM reference before ordering. This listing does not extend compatibility beyond the stated application. Installation and final alignment checks should be completed by a qualified technician.
Fitment
Specifications
- Tooth Count
- 21\nApplication: 1991-1992 Sportster XL transmission mainshaft sprocket\nPackage Quantity: 1 Sprocket
- Color
- NOT_APPLICABLE
- Finish
- NOT_APPLICABLE
- Material
- Steel
Shipping & support
Shipping
Taiwan orders are prepared after payment and inventory confirmation. Shipping fees and any free-shipping threshold are shown at checkout.
View shipping policyReturns
Request a return within 14 days after receiving the item. Wait for return approval and shipping instructions before sending anything back.
View returns and warrantyFAQ
Before ordering, compare the SKU, OEM number, brand part number, model year, fitment notes, and product images.
View FAQsFitment help
If fitment is uncertain, send the SKU or OEM number together with the motorcycle year and model before checkout.
Contact fitment support