5.9L Cummins 12V Idler Pulley 1989-2002

Overview

This is a belt idler pulley for the Ram, Dodge 5.9L Cummins 12V diesel (1989-2002). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade 5.9L Cummins 12V repair or service. Every order ships fast and is backed by our support team.

What It Does & How It Helps

An idler pulley guides the serpentine belt around the front of the engine and keeps its wrap on the accessories. The pulley spins on a sealed bearing, and when that bearing dries out it starts to growl, wobble and heat up. A failing idler can shred the belt, so it is best replaced as soon as it gets noisy or shows play.

Fitment

Fits Ram, Dodge trucks equipped with the 5.9L Cummins 12V diesel engine, 1989-2002. Please confirm your engine and year before ordering to ensure correct fitment.

Specifications

• OEM Part Number: 3912254
• Engine: 5.9L Cummins 12V
• Year Range: 1989-2002

Quality & Service

Fast shipping on in-stock orders. Free shipping on orders over $70 to the lower 48 states. Backed by Core Diesel Parts — your source for 5.9L Cummins 12V diesel parts.