Cummins 6.7 Belt Tensioner 2007-2025 Cummins 4930839

Cummins serpentine belt tensioner for the Cummins 6.7 (2007-2025). Listed for one application: Cummins 6.7 engines, 2007-2025, in Ram, Dodge applications. Confirm your engine code and year against this listing before ordering.

What it does

The tensioner keeps the serpentine belt loaded across every accessory. A weak spring or seized pulley squeals, throws the belt and lets the alternator undercharge. A new tensioner restores steady belt tension.

Fits

• Ram vehicles with the Cummins 6.7 engine, 2007-2025
• Dodge vehicles with the Cummins 6.7 engine, 2007-2025

Fixes

• belt squeal or chirp
• a tensioner arm bouncing at idle
• a rough or noisy tensioner pulley bearing

What's included

• the tensioner assembly with pulley

Specifications

• Brand: Cummins
• Part number: 4930839
• Shipping weight: 2.5 lb
• Condition: new
• Product type: Belt Tensioner

Cross-reference

Replaces or interchanges with Cummins 4930839 for the Cummins 6.7. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.