139T 1-1/8" Drive Belt 40024-04 for Harley 2004-2006 FLHRCI EFI Road King 58439

139T 1-1/8" Drive Belt for Harley 2004-2006 FLHRCI EFI Road King

This 139T 1-1/8" drive belt, referencing OEM cross-reference 40024-04 and 58439, transfers engine power to the rear wheel on Harley 2004-2006 FLHRCI EFI Road King models. Constructed for reliable power delivery, this 1-1/8" drive belt matches the specified tooth count.

Overview

This 139T 1-1/8" drive belt is a direct replacement for the primary drive system on Harley 2004-2006 FLHRCI EFI Road King motorcycles. It serves to transmit torque from the engine to the rear wheel, ensuring smooth and consistent acceleration. This drive belt is designed for riders needing a dependable replacement for a worn or damaged belt.

Built For Performance

• Reinforced construction resists stretching for long-service life.
• Tooth profile matches OEM 40024-04 and 58439 specifications for correct engagement.
• Flexible material handles the heat and stress of highway riding.
• Precision-molded teeth provide quiet, efficient power transfer.
• Meets dimensional requirements for 2004-2006 FLHRCI applications.

Fits These Machines

• for Harley 2004 FLHRCI Road King EFI
• for Harley 2005 FLHRCI Road King EFI
• for Harley 2006 FLHRCI Road King EFI

On-The-Job Use

• Replaces a worn OEM drive belt during scheduled maintenance.
• Suitable for daily commuting and long-distance touring.
• Handles stop-and-go traffic and open highway speeds.
• Can be installed during a full drivetrain service.

Specs At A Glance

Good To Know

Q: When should this drive belt be replaced? A: Replace it when inspection shows cracks, fraying, or worn teeth, typically every 20,000 to 30,000 miles depending on riding conditions.

Q: Will this belt work on other Harley models? A: It is designed specifically for the 2004-2006 FLHRCI EFI Road King, so always confirm your model and year before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.