Dayco 5030240 Poly-Cog Serpentine Belt - 3-Rib

The Dayco 5030240 Poly-Cog serpentine belt is a high-performance 3-rib belt engineered for reliable power transmission on multiple accessory drives. With an effective length of 24.02 inches and a top width of 0.40 inches, this belt features Dayco's advanced W profile rib design for optimal pulley contact and reduced slippage.

Key Features:

• 3-rib W profile design provides superior belt-to-pulley contact for extended service life
• Transverse groove design reduces operating temperature by up to 50°F and minimizes rib cracking
• EPDM rubber compound construction resists cracking and performs reliably in extreme temperature ranges
• Specially treated polyester cord construction ensures length and tension stability throughout belt life
• Computer-designed cog placement eliminates harmonic squeal and belt noise
• Heavy-duty rubber backing maximizes load-carrying capability while maintaining flexibility
• Meets or exceeds SAE J1459 and J1596 specifications

The grooved design provides flexural stress relief for increased flexibility in both normal and backside bending applications. This belt delivers torque-carrying capacity that equals or exceeds conventional multi-rib belts, making it ideal for automotive, light truck, and industrial applications requiring dependable accessory drive performance.