Product Specifications
| Parameter | Details |
|---|
| Part Name | Rear Drive Belt |
| Part Number (OEM Reference) | 40024-04, 1204-0063, 4002404, 12040063, 58-439, 58439 |
| Brand Compatibility | Harley Davidson |
| Machine Model Fitment | FLHR, FLHRC, FLHRCI, FLHRI, FLHRS, FLHRSI, FLHT, FLHTI, FLHX, FLHXI, FLTRI, FLHTC, FLHTCI, FLHTCSE2, FLHTCUI, FLHTCUSE (2004–2006) |
| Width | 1-1/8" / 28.5 mm |
| Tooth Count | 139T |
| Condition | New Aftermarket |
| Warranty | 6-month manufacturer defect warranty |
| Packaging | Original sealed retail packaging with protective inner sleeve |
Compatible Models
| Brand | Applicable Models |
|---|
| Harley Davidson | FLHR Road King 2004–2006, FLHRC Road King Classic 2004, FLHRCI EFI Road King Classic 2004–2006, FLHRI EFI Road King 2004–2006, FLHRS Road King Custom 2004–2006, FLHRSI EFI Road King Custom 2004–2006, FLHT Electra Glide 2004–2005, FLHTI EFI Electra Glide 2004–2006, FLHX Street Glide 2006, FLHXI EFI Street Glide 2006, FLTRI EFI Road Glide 2004–2006, FLHTC Electra Glide Classic 2004–2005, FLHTCI EFI Electra Glide Classic 2004–2006, FLHTCSE2 EFI Electra Glide Screamin Eagle 2005, FLHTCUI EFI Electra Glide Ultra Classic 2004–2006, FLHTCUSE Electra Glide Ultra Classic Screamin Eagle 2006 |
Tired of Rear Drive Belt Failures on Your Harley Touring Bike? Get the 139T 1-1/8" Rear Drive Belt for Reliable Power Transfer
Motorcycle repair shops and fleet technicians report that rear drive belt failure causes unplanned downtime during peak touring season — often leading to customer dissatisfaction and lost service revenue. OEM replacement belts carry long lead times and inconsistent stock availability. Counterfeit or low-grade belts show premature cracking and tooth wear after just 5,000 miles, risking drivetrain damage and safety.
OEM-Equivalent Quality, Ready to Ship
This 139T rear drive belt meets original Harley Davidson dimensional and tensile specifications, manufactured in ISO 9001-certified facilities with full incoming material traceability. Each belt undergoes static tension testing and visual inspection before packaging. Designed specifically for high-torque applications in Harley Touring models, it delivers consistent performance under sustained highway loads and stop-start city riding — matching OEM durability without OEM pricing.
Where This Part Works
This belt operates in demanding real-world conditions: long-haul interstate travel, mountainous terrain with repeated acceleration, coastal humidity exposure, and urban stop-and-go traffic. In these environments, belt integrity directly affects drivetrain efficiency, rider safety, and service interval predictability. A correctly specified harley rear drive belt prevents slippage-induced heat buildup and maintains precise final drive ratio — critical for both fuel economy and throttle response.
Engineering Details That Matter
The belt uses aramid-reinforced EPDM rubber compound, offering superior resistance to ozone, heat, and oil mist compared to standard neoprene. Its 139-tooth pitch ensures exact synchronization with the front sprocket and rear pulley — preventing timing drift that causes vibration or gear noise. The 1-1/8" width provides optimal contact area for torque transfer while maintaining proper clearance within the swingarm housing. Dimensional tolerances are held to ±0.15 mm across all critical surfaces, guaranteeing drop-in fitment without alignment adjustments or custom spacers.
The Real Cost of Wrong Parts
A substandard drive belt may cost $15 less upfront but leads to $280+ in labor for premature replacement, $120 in tow fees, and potential damage to the rear pulley or transmission input shaft. Industry data shows non-OEM-equivalent belts fail 2.3× faster under identical load cycles. Choosing a verified harley touring rear drive belt replacement reduces total cost of ownership by extending service intervals from 15,000 to 25,000 miles — aligning with Harley’s recommended maintenance schedule and minimizing unexpected shop visits.
Why Customers Trust XUNPO
We only source from ISO 9001-certified factories with documented process controls for rubber compounding and curing. Every batch undergoes pre-shipment tensile strength and elongation testing per ASTM D412. All parts carry a 6-month warranty against manufacturing defects — no questions asked. With 10 years of global export experience, we’ve supported repair centers in 120+ countries, including certified Harley dealerships in Germany, Australia, and Brazil. Our technical team includes 3 certified motorcycle powertrain specialists who verify part compatibility within 2 hours. Guangzhou warehouse holds over 10,000 SKUs, with this 139T rear drive belt consistently in stock for same-day dispatch.
Packaging & Shipping
- Individually sealed in branded retail box with anti-static inner sleeve and rigid cardboard insert
- In-stock items ship within 2–5 working days after order confirmation
- Flexible logistics: DHL Express (3–5 days), air freight (7–12 days), or sea freight (25–40 days)
- Real-time tracking provided via email and WhatsApp upon dispatch
- MOQ is 1 piece — supports urgent repairs and small-volume shops
Get Your Parts Now
Your Harley’s next scheduled service shouldn’t wait for parts. Send us your bike’s model year and VIN (or confirmed part number 40024-04 / 1204-0063), and we’ll deliver a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before placing bulk orders. Every day your machine sits idle costs revenue — act now to restore uptime.
Frequently Asked Questions
Q: Is this an original Harley Davidson part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, manufactured in ISO 9001-certified facilities to meet Harley Davidson dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific Harley model and year?
A: Provide your exact model (e.g., FLHTCI 2005) or VIN — our technical team will verify compatibility and respond within 2 hours.
Q: What is the warranty coverage?
A: 6-month warranty against manufacturing defects. If the belt fails due to material or workmanship issues, we replace it at no cost.
Q: What is the minimum order quantity?
A: 1 piece — no minimum. Ideal for independent mechanics and small repair shops.
Q: How fast can I receive the part?
A: In-stock items ship within 2–5 working days. Express shipping options (DHL/FedEx) deliver to most countries in 3–5 business days.
Q: Can I receive a sample before ordering in bulk?
A: Yes — first-time customers may request one sample for physical evaluation and fitment testing.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
