# Fleece Performance 98.5-18 Dodge 2500/3500 Cummins M22 Thermostat Plug for Cummins Cylinder Head

Replacement M22 thermostat plug for use on Cummins cylinder heads.  Includes O-ring. Replaces Cummins part number 3089238. 

This Part Fits:

Year

Make

Model

Submodel

1998-2002

Dodge

Ram 2500

Base

2003,2005-2010

Dodge

Ram 2500

Laramie

2003-2010

Dodge

Ram 2500

SLT

2006-2007

Dodge

Ram 2500

Sport

2003-2010

Dodge

Ram 2500

ST

2008-2010

Dodge

Ram 2500

SXT

2010

Dodge

Ram 2500

TRX

2006-2007

Dodge

Ram 2500

TRX4

1998-2002

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

2013-2018

Ram

2500

Big Horn

2011-2018

Ram

2500

Laramie

2014-2015

Ram

2500

Laramie Limited

2011-2018

Ram

2500

Laramie Longhorn

2016-2018

Ram

2500

Limited

2013-2015

Ram

2500

Lone Star

2012-2016

Ram

2500

Outdoorsman

2011-2018

Ram

2500

SLT

2011-2013

Ram

2500

ST

2013-2018

Ram

2500

Tradesman

2013-2018

Ram

3500

Big Horn

2011-2018

Ram

3500

Laramie

2014-2015

Ram

3500

Laramie Limited

2011-2018

Ram

3500

Laramie Longhorn

2016-2018

Ram

3500

Limited

2013-2015,2017

Ram

3500

Lone Star

2011-2018

Ram

3500

SLT

2011-2013

Ram

3500

ST

2013-2018

Ram

3500

Tradesman

## Details

- **Price:** 44.78 CAD
- **Vendor:** Fleece Performance
- **Type:** Thermostat Housings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 44.78 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 9
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fleece-performance-98-5-18-dodge-2500-3500-cummins-m22-thermostat-plug-for-cummins-cylinder-head)
> Updated: 2026-06-27