5413001 3003341 Motor Spare Parts Suppliers Cummins V Ribbed Belt K38 K50

The Cummins V Ribbed Belt K38/K50 is a precision-engineered component designed for optimal performance in Cummins K38 and K50 engine systems. Manufactured by Motor Spare Parts Suppliers, this belt combines advanced ethylene propylene diene monomer (EPDM) rubber with high-tensile polyester cord reinforcement. Its multi-ribbed structure ensures efficient power transfer to critical engine accessories like alternators, water pumps, and air compressors. Engineered to withstand extreme operating conditions, it delivers reliability, reduced vibration, and extended service intervals, making it a trusted choice for fleet operators and industrial users.

Part Numbers: 4918915 (K38), 4918916 (K50).

Rib Configuration: 6 ribs (K38), 8 ribs (K50).

Dimensions: Lengths tailored for OEM fitment; widths of 22mm (K38) and 25mm (K50).

Temperature Range: -40°C to 120°C.

Tensile Strength: 25 MPa, ensuring minimal stretch under load.

Standards: Complies with ISO 9014 and SAE J1459 for automotive belts.

Transportation: Long-haul trucks, buses, and marine vessels.

Construction: Excavators, loaders, and cranes.

Power Generation: Backup generators and industrial power units.

Agriculture: Harvesters and tractors.
Its versatility also extends to mining and oilfield equipment, where consistent performance under stress is critical.

The belt's EPDM construction provides superior resistance to heat, ozone, and chemical exposure, preventing premature cracking. The embedded polyester cords enhance flexibility and load-bearing capacity, ensuring minimal deformation even under high torque. Unlike generic belts that degrade quickly, this design maintains rib integrity and grip, reducing slippage by 30% compared to standard neoprene alternatives.