This OEM Dayco Poly Rib 5070656 (7PK1666) serpentine belt is designed for high-efficiency power transfer in automotive accessory drive systems. It ensures smooth operation of key engine components such as the alternator, air conditioning compressor, power steering pump, and water pump.
Manufactured from premium EPDM rubber with reinforced tensile cords, it offers excellent resistance to heat, wear, cracking, and stretching. The precision 7-rib profile provides strong pulley grip, reduced slippage, and stable performance under load.
Ideal for replacement or maintenance, this belt delivers OEM-level reliability and long-lasting durability.
Key Features
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Quiet Operation: Reduces vibration and noise during engine use.
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Long Service Life: Built for durability in demanding automotive conditions.
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EPDM Rubber Construction: High resistance to heat, wear, cracking, and aging.
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Reinforced Cord Strength: Helps maintain tension stability and reduces belt stretch.
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Strong Pulley Engagement: Minimizes slippage for improved efficiency and performance.
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OEM Quality Fit: Designed for precise compatibility and dependable replacement performance.
- 7-Rib Poly Rib Design: Ensures efficient and stable power transmission across engine accessories.
Specifications
- Brand: Dayco Poly Rib
- Part Number: 5070656
- Industry Code: 7PK1666
- Product Type: Serpentine Belt
- Material: EPDM reinforced rubber
- Application: Automotive accessory drive system