V Ribbed Belt 3911560 for Cummins Engine 4B3.9 6B5.9 6C8.3 B4.5 B5.9 G G5.9 ISB ISBE ISM QSM11

V Ribbed Belt 3911560 for Cummins Engine 4B3.9 6B5.9 6C8.3 B4.5 B5.9 G G5.9 ISB ISBE ISM QSM11

Replacement Part Number: 3911560, 3903090, CUM3911560

Description:
Heavy-Duty Drive Belt – OEM# 3911560
Built for Reliability | EPDM Rubber + Reinforced Polyester | Designed for Demanding Engines

This premium multi-ribbed drive belt is engineered to deliver long-lasting performance in tough working environments. Manufactured using high-grade EPDM rubber and reinforced polyester cords, it ensures excellent power transmission, reduced belt noise, and superior resistance to heat and wear — making it a dependable choice for modern diesel and industrial engines.

Key Features:
Material Construction:
EPDM (Ethylene Propylene Diene Monomer): Resists cracking, glazing, and temperature extremes. Retains flexibility across a wide operating range

High-Strength Polyester Cords: Provide excellent load-carrying capacity, resist stretching, and help maintain proper belt tension

Multi-Rib Design: Enhances grip and reduces slippage for smooth, efficient power delivery

Quiet Operation: Engineered to minimize vibration and belt noise during high-speed rotation

Reliable Under Load: Performs consistently in commercial vehicles, heavy machinery, and industrial power systems

Why It’s a Smart Choice:
Designed for Extended Service Intervals – Low maintenance, long wear life

Performs in Harsh Conditions – Heat, oil, and ozone resistant

Compatible with a Range of Diesel and Gas Engines

Reduces Downtime – Ideal for fleet maintenance and professional engine servicing

Whether you're servicing heavy-duty trucks, off-road equipment, or industrial engines, this drive belt offers the perfect balance of strength, stability, and long-term performance you can count on.

Applications:
Fit For Cummins Engine:
4B3.9, 6B5.9, B3.9 G, B4.5, B5.9 GAS PLUS CM556, G5.9, ISB CM550, ISM CM570, ISM CM570/870, QSB5.9 CM2880 B115, QSB5.9G, QSM11 CM570