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SKU:
ZZ3F08883
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139T 1-1/8" Drive Belt 40024-04 for Harley 2004-2006 FLHRS FLHRSI EFI Road King
$99.09
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$99.09
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
139T 1-1/8" Drive Belt for Harley
This 139-tooth, 1-1/8" drive belt, OEM cross-reference 40024-04, transfers power from the engine to the rear wheel for Harley-Davidson FLHRS and FLHRSI EFI Road King models from 2004 to 2006. It is a direct replacement drive belt built to match original specifications for reliable performance.
Overview
This 139T 1-1/8" drive belt is a high-strength replacement for Harley-Davidson touring motorcycles, specifically engineered for 2004-2006 FLHRS and FLHRSI EFI Road King models. It serves as the critical link in the final drive system, delivering engine power to the rear wheel smoothly and consistently. This drive belt is an OEM-cross-referenced part (40024-04) designed to restore original performance and longevity.
Built For Performance
- 139 teeth and a 1-1/8" width match the exact OEM drive belt specifications for a precise fit
- Reinforced rubber construction resists wear, cracking, and stretching under high torque
- OEM cross-reference number 40024-04 ensures it meets original equipment standards
- Designed to handle the high power output of 2004-2006 FLHRS and FLHRSI EFI Road King engines
- Low-maintenance operation with no lubrication required, unlike chain drive systems
- Pre-formed to the correct length for straightforward installation
Fits These Machines
- for Harley FLHRS Road King (2004-2006)
- for Harley FLHRSI EFI Road King (2004-2006)
On-The-Job Use
- Replaces a worn or damaged final drive belt on a touring Harley motorcycle
- Ensures smooth acceleration and deceleration during highway cruising and city riding
- Provides a durable upgrade for riders who log high mileage on their Road King
Specs At A Glance
| Teeth Count | 139 |
| Width | 1-1/8" |
| Part Number(s) | 40024-04 |
| Compatibility | 2004-2006 Harley FLHRS / FLHRSI EFI Road King |
Good To Know
Q: What is the lifespan of this drive belt? A: With proper tension and alignment, this belt can last 30,000 to 50,000 miles or more, depending on riding conditions and maintenance habits.
Q: How do I know if this belt fits my bike? A: This belt is specifically designed for 2004-2006 FLHRS and FLHRSI EFI Road King models, but always check your motorcycle's serial number and current belt part number 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.