The Genuine Dayco Poly Rib Automotive Belt 5040550 4PK1395 A5 is a premium OEM replacement serpentine belt engineered to deliver reliable power transmission and long-lasting performance for automotive accessory drive systems. Featuring a 4-rib (4PK1395) configuration, this belt is designed to efficiently drive 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 maximizes pulley contact, helping reduce slippage while promoting smooth, quiet, and efficient operation throughout its service life.
Ideal for replacing worn or damaged drive belts, the Dayco 5040550 restores OEM-level performance and helps maintain reliable accessory operation. Its direct-fit design ensures straightforward installation and dependable durability for 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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Direct Replacement Fit: Designed for easy installation in compatible vehicles.
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4-Rib Configuration: Ensures stable operation across accessory drive systems.
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Aramid Reinforced Cords: Helps prevent stretching and maintains proper belt tension.
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OEM Quality Construction: Manufactured to Dayco standards for dependable fit and performance.
- Reduced Slippage: Promotes quiet, smooth, and efficient accessory operation.
Specifications
- Brand: Dayco
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Rib Count: 4 Ribs
- Metric Size: 4PK1395
- Part Number: 5040550
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Effective Length: 55.0 in. (1395 mm)
- Type: Poly Rib / V-Ribbed Serpentine Belt
- Application: Automotive Accessory Drive System
- Material: EPDM Rubber with Aramid Reinforced Cords