135T 1 1/8" Drive Belt 40307-00 Fit Harley-Davidson 2001-2004 FLSTS FXSTDSE2
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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.
135T 1 1/8" Drive Belt for Harley-Davidson
This 135-tooth, 1 1/8-inch wide drive belt, referencing OEM cross number 40307-00, transfers power from the engine to the rear wheel for Harley-Davidson models. It is a direct replacement drive belt designed to maintain proper tension and alignment in the primary drivetrain. This 135T 1 1/8" Drive Belt serves as a reliable component for maintaining the motorcycle's power delivery system.
Overview
This 135T 1 1/8" Drive Belt is a reinforced rubber belt engineered for the demanding torque of a V-twin engine. It connects the transmission output to the rear sprocket, ensuring smooth and consistent power transfer. This drive belt is intended for Harley-Davidson motorcycles from the specified 2001-2004 model years, providing a dependable replacement for a worn or damaged original belt.
Built For Performance
- 135-tooth count engineered to match the original gearing specifications for the listed models
- 1 1/8" width provides the necessary surface area for high-torque applications
- Fiberglass-reinforced construction resists stretching and flex fatigue over long service life
- Precision-molded teeth ensure positive engagement with the pulleys
- OEM cross-reference number 40307-00 for easy verification of compatibility
Fits These Machines
- for Harley-Davidson 2001-2004 FLSTS
- for Harley-Davidson 2001-2004 FXSTDSE2
- for Harley-Davidson 2001-2004 Fat Boy
On-The-Job Use
- Highway cruising at sustained speeds where belt stability is critical
- Stop-and-go city riding requiring reliable low-speed engagement
- Long-distance touring where drivetrain durability is essential
- Replacement during routine drivetrain maintenance intervals
Specs At A Glance
| Part Number(s) | 40307-00, 1204-0055 |
| Belt Type | Drive Belt |
| Tooth Count | 135T |
| Width | 1 1/8" |
Good To Know
Q: How do I know if this belt is the correct length for my bike? A: The 135-tooth count and 1 1/8-inch width are the exact measurements specified for the listed Harley-Davidson models. Always verify the component matches your model and year before installation.
Q: What is the typical lifespan of this drive belt? A: With proper tension and alignment, a drive belt can last for tens of thousands of miles, but it is subject to wear from debris and misalignment. Inspect it regularly for cracks or missing teeth.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.