40001-85 Rear Drive Belt 1204-0058 4000185 12040058 for Harley-Davidson

Product Overview

This aftermarket replacement rear drive belt is intended for Harley-Davidson applications and references part numbers 40001-85, 1204-0058, 4000185, and 12040058. A rear drive belt transfers rotational power from the drivetrain to the rear wheel in a belt-driven motorcycle system.

Key Features & Performance

• Rear drive belt for the normal power-transfer function of a belt-driven motorcycle system
• References part numbers 40001-85, 1204-0058, 4000185, and 12040058 for comparison
• Intended for the listed Harley-Davidson applications
• Suitable for servicing or replacing the corresponding rear drive belt

Fitment & Compatibility

• for Harley-Davidson applications

Common Uses

• Replacing a worn, damaged, or malfunctioning rear drive belt
• Routine maintenance of a motorcycle belt-drive system
• Servicing the rear drivetrain when the corresponding belt requires replacement

Technical Specifications

• Product Type: Rear drive belt
• Part Number(s): 40001-85, 1204-0058, 4000185, 12040058
• Vehicle Application(s): Harley-Davidson

Frequently Asked Questions

Q: What does a rear drive belt do? A: It transfers rotational power from the drivetrain to the rear wheel in a belt-driven motorcycle system.

Q: How should fitment be verified? A: Compare the complete part number, including 40001-85, 1204-0058, 4000185, or 12040058, with the existing belt and confirm the complete Harley-Davidson equipment designation before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.