Cummins 5.9 12V Belt Tensioner 1989-1998 Cummins 4936640, C4936640

Cummins serpentine belt tensioner for the Cummins 5.9 12V (1989-1998). Listed for one application: Cummins 5.9 12V engines, 1989-1998, in 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

• Dodge vehicles with the Cummins 5.9 12V engine, 1989-1998

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: 4936640, C4936640
• Shipping weight: 2.5 lb
• Condition: new
• Product type: Belt Tensioner

Cross-reference

Replaces or interchanges with Cummins 4936640, C4936640 for the Cummins 5.9 12V. 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.