The Genuine Dayco Poly Rib Automotive Belt 5030300 3PK0760 A7 is a premium OEM replacement serpentine belt engineered to provide efficient power transfer and dependable performance for the vehicle's accessory drive system. Featuring a 3-rib (3PK0760) configuration, this belt is designed to drive critical 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 engineered to resist heat, stretching, cracking, and wear under demanding operating conditions. Its precision Poly Rib design maximizes pulley contact, helping reduce slippage while promoting smooth, quiet, and efficient operation.
Ideal for replacing worn or damaged drive belts, the Dayco 5030300 helps restore OEM-level reliability and accessory drive efficiency. Its direct-fit design ensures easy installation and long service life for compatible automotive applications.
Key Features
-
EPDM Rubber Construction: Resists heat, cracking, and premature wear.
-
Poly Rib Design: Provides superior pulley grip and efficient power transfer.
-
3-Rib Configuration: Designed for stable accessory drive system operation.
-
Reinforced Aramid Cords: Help prevent stretching and maintain proper belt tension.
-
Direct Replacement Fit: Engineered for straightforward installation in compatible vehicles.
-
OEM Quality Construction: Manufactured to Dayco specifications for dependable performance.
- Reduced Slippage: Promotes quiet operation and consistent accessory performance.
Specifications
- Brand: Dayco
-
Rib Count: 3 Ribs
- Metric Size: 3PK0760
- Part Number: 5030300
-
Effective Length: 30.0 in. (762 mm)
- Type: Poly Rib / V-Ribbed Serpentine Belt
- Material: EPDM Rubber with Aramid Reinforced Cords


