NEW Cummins 6B, 6C, & ISC Serpentine Belt Tensioner | 3976831, 3281583, 3936213 | 4B 3.9L / 6B 5.9L / ISC, 6C 8.3L Cummins 

New Cummins 6B, 6C, & ISC Serpentine Belt Tensioner. Keep your Cummins engine running cool and efficiently with this high-quality replacement serpentine belt tensioner. Designed to fit B or C Series engines, this tensioner is built to last and maintain proper belt tension, preventing overheating and potential engine damage. This carries a one year warranty.

Features:

• Precise compatibility: Ensures a perfect fit for your B or C Series Cummins engine.
• Quality assured: Manufactured in an ISO 9001:2015 certified facility for consistent quality and performance.
• Built to last: Constructed from durable materials to withstand the demands of heavy-duty use.
• Peace of mind: Comes with a guarantee for fit and function, ensuring your satisfaction.

This reliable serpentine belt tensioner is a crucial component for your Cummins engine's cooling system, providing optimal performance and preventing costly repairs.

Fitment:

• 4B 3.9L
• 4B 4.5L
• 6B 5.9L
• 6B 6.7L
• 6C 8.3L
• 6CT
• 6CTA
• ISB
• QSB