V Ribbed Belt 3978278

positive OEM
Part# 3978278
Drives engine accessories by transferring crankshaft power in commercial engines.
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Description

The Cummins V Ribbed Belt (3978278) is a power transmission component that drives multiple engine accessories by transferring rotational force from the crankshaft. It maintains synchronized operation of auxiliary systems essential for engine performance in commercial vehicles.

Key Specifications

  • Application: EPA13 8.9L ISC/ISL engines, Cummins commercial engines
  • Function: Transfers rotational power to engine accessories
  • Compatibility: F3.8 CM2620, F4.5 CM2620, ISB CM2150, ISB6.7 CM2250, ISBE4 CM850, ISC CM2150, ISF3.8 CM2220, ISF4.5 CM2220, ISL CM2150, ISL9 CM2250, QSB4.5 CM2250, QSC8.3 CM850, QSL8.9 CM2150, QSL9 CM2250, QSL9 CM2350
  • Construction: Rubber and fabric composite with ribbed trapezoidal cross-section
  • Features: Multi-rib design, anti-static properties, enhanced flexibility, abrasion resistance
  • Quality: OEM Cummins part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

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More Information

Current Part# 3978278
Type OEM
Part# variations 3978278 CUM,
3978278CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty