Interstate-McBee Belt - Alternator - Compressor - M-3918552

The Interstate-McBee M-3918552 is a premium aftermarket alternator and compressor drive belt designed to fit Cummins engines, particularly models in the B-Series and C-Series families. Engineered for durability and performance, this belt ensures reliable operation of your engine's alternator and air conditioning compressor systems.

Key Features:

• High-Quality Construction: Manufactured using a high shear strength rubber compound resistant to oil and heat, reducing glazing and extending belt life. 

• Reinforced Tensile Cords: Equipped with high-strength, low-stretch polyester cords, minimizing the need for frequent tension adjustments.

• Protective Backing: Features a polychloroprene-impregnated fabric backing for superior impact resistance.

• Wear-Resistant Surface: The tooth/cog facing is covered with a woven polyamide fabric, offering high wear resistance and low friction to decrease slippage.