CUMMINS 3946849 | GENUINE OEM THERMOSTAT (190) | FITS 1998-2002 DODGE RAM 5.9L CUMMINS

The Cummins 3946849 GENUINE OEM THERMOSTAT (190) is a genuine OEM replacement designed for Dodge Ram Cummins trucks.

Function & Purpose

Regulates coolant flow to maintain the correct engine operating temperature.

Common Symptoms When Worn/Failed

• Overheating or slow warm-up
• Coolant leaks
• AC/heat performance changes

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 #3946849 — engineered for factory fit and function
• Direct-fit replacement
• Durable construction
• Restores proper operation
• Meets OEM specifications

Fitment

• 1998-2002 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 3946168 | Genuine Oem Valve Cover Captive Isolator Cap Screw | Fits 1998-2002 Dodge Ram 5.9L Cummins
• Cummins 3802421 | Genuine Oem Piston Ring Set (Std) | Fits 1989-2002 Dodge Ram 5.9L Cummins
• Cummins 3802967 | Genuine Oem Exhaust Valve Kit | Fits 1998-2004 Dodge Ram 5.9L Cummins

Tags

Cummins 3946849 Genuine Oem Thermostat (190) Fits 1998-2002 1998-2002 Dodge Ram 5.9L Cummins Thermostat Genuine OEM CPP Diesel