# Mishimoto Dodge 5.9L/6.7L Cummins High-Temperature Thermostat

1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 42RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 42RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 42RE, 2003 Dodge Ram 1500 Laramie 5.9 Liter 45RFE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 2003 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 2003 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 2003 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 2003 Dodge Ram 1500 Laramie 5.9 Liter 46RE, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV3500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 1999-2001 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 2003 Dodge Ram 1500 Laramie 5.9 Liter NV4500, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter 45RFE, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter 45RFE, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter 46RE, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter 46RE, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter NV3500, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter NV3500, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter NV4500, 2002-2003 Dodge Ram 1500 SLT 5.9 Liter NV4500, 1999-2001 Dodge Ram 1500 Sport 5.9 Liter 42RE, 1999-2001 Dodge Ram 1500 Sport 5.9 Liter 42RE, 1999-2001 Dodge Ram 1500 Sport 5.9 Liter 42RE, 1999-2001 Dodge Ram 1500 Sport 5.9 Liter 46RE, 1999-2001 Dodge Ram 1500 Sport 5.9 Liter 46RE ...See Application Guide for Additional Fitments

-   Restricts coolant system circulation for longer time to provide quicker warm up
-   Mishimoto Lifetime Warranty
-   Ideal for cool climates

This Part Fits:

Year

Make

Model

Submodel

1999-2002

Dodge

Ram 3500

Base

2003-2010

Dodge

Ram 3500

Laramie

2003-2010

Dodge

Ram 3500

SLT

2006-2007

Dodge

Ram 3500

Sport

2003-2010

Dodge

Ram 3500

ST

2008-2009

Dodge

Ram 3500

SXT

2007

Dodge

Ram 3500

TRX4

2013

Ram

2500

Big Horn

2011-2013

Ram

2500

Laramie

2011-2013

Ram

2500

Laramie Longhorn

2013

Ram

2500

Lone Star

2012-2013

Ram

2500

Outdoorsman

2011-2013

Ram

2500

Power Wagon

2011-2013

Ram

2500

SLT

2011-2013

Ram

2500

ST

2013

Ram

2500

Tradesman

## Details

- **Price:** 138.57 CAD
- **Vendor:** Mishimoto
- **Type:** Thermostats

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 138.57 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - Close Up
- User 1
- User 1
- Photo - in package
- User 1
- Logo Image

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/mishimoto-dodge-5-9l-6-7l-cummins-high-temperature-thermostat)
> Updated: 2026-06-28