Shandong Shengyue Technology Development Co.,Ltd is one of the most professional original dayco poly-v belt 5080644 8pk1635 for cummins engine manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
ORIGINAL DAYCO Poly-V Belt 5080644 8PK1635 FOR CUMMINS ENGINE
FUNCTION
1. Power Transmission and Multi-Accessory Drive: As a multi-ribbed belt, it is a continuous single belt with 8 longitudinal V-shaped grooves, efficiently transmitting the rotational power of the engine crankshaft to multiple accessory systems for synchronized drive.
2. Efficient and Compact Transmission: Replacing traditional multi-V-belt systems, a single belt wraps around all accessory pulleys, saving space, reducing weight, noise, and vibration, and improving the overall engine compartment layout efficiency.
3. High Load Adaptability: The 8-rib design provides a larger contact area and friction, withstands high torque loads, prevents slippage, and ensures stable accessory operation at various speeds.
Advantages
| No. | Category | Key Advantages |
|---|---|---|
| 1 | High-Load Drive | 8-rib design with strong friction, efficiently drives multiple accessories without slipping |
| 2 | Long-Lasting Durability | EPDM rubber + high-strength cords, resistant to heat/oil/cracking, service life 80,000–120,000+ km |
| 3 | Low Noise & Vibration | Smooth running, significantly quieter and less vibration than traditional multi-V belts |
| 4 | Efficient & Space-Saving | Single belt for multiple accessories, saves space, reduces weight, high transmission efficiency |
| 5 | Easy Installation & Maintenance | Fits MAN/Cummins/etc. models, simple replacement, excellent cost-performance |
DETAILS
| DESCRIPTION | DAYCO Poly-V Belt | PART NUMBER | 5080644 8PK1635 |
| WEIGHT |
0.5KG |
VOLUME |
L=1660 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Routine Maintenance Recommendations
1. Check the belt every 10,000-20,000 kilometers or at the scheduled maintenance interval: Inspect the belt surface for cracks, wear, peeling, and oil stains. Check for abnormal noises during starting/idling/acceleration. Check if the tensioner/idler pulley rotates smoothly. Check if the alternator is charging normally, the air conditioning is cooling, the power steering is working properly, and the water pump is circulating normally.
2. Avoid getting oil/water/antifreeze on the belt. Regularly clean the front of the engine to prevent dust/sediment accumulation. Check more frequently in winter/hot seasons. At each maintenance interval, press down on the middle section of the belt by hand to check the tension.




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