The Genuine Dayco Poly Rib Automotive Belt 5040335 4PK0850 A6 is a premium OEM replacement serpentine belt engineered to provide efficient power transmission and dependable performance for your vehicle's accessory drive system. Featuring a 4-rib (4PK0850) configuration, this belt is designed to operate essential engine accessories such as the alternator, water pump, air conditioning compressor, and power steering pump, depending on the vehicle application.
Manufactured from high-quality EPDM rubber with reinforced aramid tensile cords, the belt is built to resist heat, cracking, stretching, and wear under demanding operating conditions. Its precision Poly Rib design provides excellent pulley contact, reducing slippage while delivering smooth, quiet, and efficient operation throughout its service life.
Ideal for replacing worn or damaged accessory drive belts, the Dayco 5040335 restores OEM-level reliability and helps maintain proper engine accessory performance. Its direct-fit design allows for straightforward installation and long-lasting durability in compatible automotive applications.
Key Features
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EPDM Rubber Material: Resists heat, cracking, and premature wear.
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Poly Rib Design: Maximizes pulley contact for efficient power transfer.
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4-Rib Configuration: Ensures stable and reliable accessory drive operation.
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Aramid Reinforced Cords: Help maintain proper belt tension and reduce stretching.
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Reduced Slippage: Promotes smooth, quiet, and efficient engine accessory operation.
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Direct Replacement Fit: Designed for hassle-free installation in compatible vehicles.
- OEM Quality Construction: Manufactured to Dayco specifications for dependable performance.
Specifications
- Brand: Dayco
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Rib Count: 4 Ribs
- Metric Size: 4PK0850
- Part Number: 5040335
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Effective Length: 33.50 in. (850 mm)
- Type: Poly Rib / V-Ribbed Serpentine Belt
- Application: Automotive Accessory Drive System
- Material: EPDM Rubber with Aramid Reinforced Cords