CUMMINS 4089976 | GENUINE PISTON & RING KIT (.020 OVERSIZE) | 5.9L | FITS 2003-2004 DODGE RAM 5.9L CUMMINS

The Cummins 4089976 GENUINE PISTON & RING KIT (.020 OVERSIZE) | 5.9L is a genuine OEM replacement designed for Dodge Ram Cummins trucks.

Function & Purpose

Engineered to restore factory performance and reliability in its respective system under diesel operating conditions.

Common Symptoms When Worn/Failed

• Performance degradation
• Unusual noises
• Fluid leaks or warning lights

Why Genuine Cummins

Genuine Cummins parts meet OEM tolerances and materials, resisting heat and vibration better than aftermarket alternatives.

Key Features & Benefits

• OEM Cummins Part #4089976 — engineered for factory fit and function
• Direct-fit replacement
• Durable construction
• Restores proper operation
• Meets OEM specifications

Fitment

• 2003-2004 Dodge Ram 2500/3500 with 5.9L Cummins

Installation Notes

• Inspect gaskets/seals
• Clean surfaces and torque to spec
• Verify alignment before startup
• Follow Cummins service manual

Related Products

• Cummins 4089950 | Genuine Piston & Ring Kit (Std) | 5.9L | Fits 2003-2004 Dodge Ram 5.9L Cummins
• Cummins 4089977 | Genuine Piston & Ring Kit (.040 Oversize) | 5.9L | Fits 2003-2004 Dodge Ram 5.9L Cummins
• Cummins 3904166 | Genuine Engine Cylinder Repair Sleeve | 5.9L | Fits 1989-2007 Dodge Ram 5.9L Cummins

Tags

Cummins 4089976 Genuine Piston & Ring Kit (.020 Oversize) | 5.9L Fits 2003-2004 2003-2004 Dodge Ram 5.9L Cummins Genuine OEM CPP Diesel