CUMMINS 3957987 | GENUINE CRANKCASE BREATHER FILTER | 5.9L | FITS 2003-2018 DODGE RAM 5.9L & 6.7L CUMMINS

The Cummins 3957987 GENUINE CRANKCASE BREATHER FILTER | 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 #3957987 — engineered for factory fit and function
• Direct-fit replacement
• Durable construction
• Restores proper operation
• Meets OEM specifications

Fitment

• 2003-2018 Dodge Ram 2500/3500 with 5.9L & 6.7L Cummins

Installation Notes

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

Related Products

• Cummins 3802924 | Genuine Intake Valve | 5.9L / 6.7L | Fits 1998-2018 Dodge Ram 5.9L & 6.7L Cummins
• Cummins 3906698 | Genuine Water Pump Rectangular Ring Seal | 5.9L / 6.7L | Fits 1989-2018 Dodge Ram 5.9L & 6.7L Cummins
• Cummins 3908522 | Genuine Flex Plate Mounting Bolt | 5.9L / 6.7L | Fits 1989-2018 Dodge Ram 5.9L & 6.7L Cummins

Tags

Cummins 3957987 Genuine Crankcase Breather Filter | 5.9L Fits 2003-2018 2003-2018 Dodge Ram 5.9L & 6.7L Cummins Filter Genuine OEM CPP Diesel