139T 1-1/8" Drive Belt 40024-04 for Harley 2004-2006 FLHRI EFI Road King 58-439

Drive Belt for Harley 2004-2006 FLHRI EFI Road King

This 139T 1-1/8" drive belt replaces OEM part 40024-04 and cross-references 58-439, for use on Harley Davidson 2004-2006 FLHRI EFI Road King models. It delivers reliable power transfer from the engine to the rear wheel, matching original specifications.

Overview

This drive belt is a 139-tooth, 1-1/8-inch wide replacement part for Harley Davidson FLHRI EFI Road King motorcycles from 2004 to 2006. It is manufactured to meet OEM standards, ensuring proper tension and alignment for smooth acceleration and cruising. This belt is the ideal choice for riders replacing a worn unit on their Road King, with cross-references to OEM 40024-04 and 58-439.

Built For Performance

• 139-tooth design ensures correct gear ratio and speedometer calibration
• 1-1/8-inch width offers high tensile strength for torque transfer
• Heat-resistant compound extends service life in demanding conditions
• Direct replacement for OEM part 40024-04, no modifications required
• Fiber-reinforced backing reduces stretch and maintains tension

Fits These Machines

• for Harley FLHRI EFI Road King (2004-2006)

On-The-Job Use

• Replaces old or cracked belts on touring motorcycles
• Used for routine drivetrain service on long-haul bikes
• Suitable for riders performing their own maintenance at home

Specs At A Glance

Good To Know

Q: Can I install this belt myself? A: Yes, with basic tools and mechanical knowledge, but follow a service manual for proper tensioning.

Q: Will this fit a 2004 Road King without EFI? A: This is specifically for FLHRI EFI models, so check your model code to confirm compatibility.

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