V Ribbed Belt Cummins 3972375 | 8PK2124, 5256771

High-Performance Power Transmission

The Cummins 3972375 V Ribbed Belt is a critical component for heavy-duty diesel engines, designed to facilitate the seamless transfer of rotational force from the crankshaft to essential ancillary systems. Its advanced 8-rib design (8PK2124) maximizes surface contact with pulleys, significantly reducing slippage and improving overall engine efficiency.

Key Features and Benefits

• Durable Construction: Built with a robust synthetic fiber core for high tensile strength and flexibility under heavy loads.
• Wear Resistance: Features a specialized elastomer coating that offers excellent friction properties and resistance to heat, oil, and environmental degradation.
• Optimized Efficiency: The trapezoidal cross-section ensures superior grip, reducing the load on the engine and extending the life of driven components like the alternator and water pump.

Engine Compatibility

This V Ribbed Belt is engineered for a wide range of Cummins engine platforms, including:

• Small & Medium Bore: B5.6, B6.7, D4.0, F3.8, F4.5
• Large Bore & ISB Series: ISB5.9, ISB6.7, ISBE4, QSB5.9
• ISC & ISL Series: ISC, ISC8.3, ISL, ISL9
• ISF Series: ISF2.8, ISF3.8, ISF4.5

Technical Specifications

• Part Number: 3972375
• Belt Profile: 8PK2124 (8 Ribs, 2124mm length)
• Weight: 0.58 lb
• Dimensions: 9.84 x 3.54 x 1.18 in