Dayco Poly-V Belt 4PK1015
Superior Performance and Reliability
The Dayco Poly-V Belt 4PK1015 is an advanced multi-ribbed serpentine belt engineered for demanding automotive accessory drives. This premium aftermarket belt features Dayco's innovative "W" profile design, representing the most significant advancement in multi-rib belt technology in over 25 years.
Advanced Construction
- Aramid Reinforced EPDM Compounds: Constructed with high-strength aramid-reinforced EPDM compounds that resist cracking and deliver exceptional performance across extreme temperature ranges
- Innovative W Profile: Patent-pending "W" profile cut into each rib tip provides enhanced flexibility and eliminates belt chirp when engaging worn or misaligned pulleys
- 4-Rib Design: Four precision-engineered ribs (14.20mm width) ensure optimal power transmission and reduced slippage
- 1015mm Effective Length: Precisely manufactured to 1015mm effective length for accurate fitment
Technical Specifications
- Part Number: 4PK1015 (OEM Number: 5040400)
- Ribs: 4
- Effective Length: 1015mm (40")
- Belt Width: 14.20mm (0.56")
- Outside Circumference: 1035mm (40-3/4")
- Pitch Length: 1016mm (40")
Quality Standards
Meets or exceeds SAE J1459 and SAE J2432 specifications, ensuring reliable performance and compatibility with OEM requirements.
Engineering Excellence
Developed through extensive laboratory testing and real-world road mileage validation, this belt has been specifically engineered to conform to high-mileage, worn, or misaligned drives without sacrificing quiet operation or longevity. The unique rib profile design helps eliminate troublesome drive problems while maintaining superior power transmission efficiency.