# Fleece Performance 19-22 RAM 2500/3500 Cummins 6.7L Replacement Thermostat Housing w/Aux Port

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 2019-2024 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a -10AN (7/8"-14) fitting to allow you to customize your coolant routings and includes port plug FPE-SP-7814. APPLICATION NOTES Direct replacement for thermostat elbow included in our coolant bypass kits: FPE-CLNTBYPS-CUMMINS-19. Direct replacement for 2019-2024 Cummins 6.7L coolant thermostat housing part number 5401899. Auxiliary port is threaded to accept a -10AN (7/8"-14) fitting

This Part Fits:

Year

Make

Model

Submodel

2019-2024

Ram

2500

Big Horn

2019-2024

Ram

2500

Laramie

2019-2021

Ram

2500

Laramie Longhorn

2019-2024

Ram

2500

Limited

2021-2024

Ram

2500

Limited Longhorn

2019-2024

Ram

2500

Lone Star

2023-2024

Ram

2500

Rebel

2024

Ram

2500

Special Service

2019-2024

Ram

2500

Tradesman

2019-2024

Ram

3500

Big Horn

2019-2024

Ram

3500

Laramie

2019-2020

Ram

3500

Laramie Longhorn

2019-2024

Ram

3500

Limited

2021-2024

Ram

3500

Limited Longhorn

2019-2022

Ram

3500

Lone Star

2019-2024

Ram

3500

SLT

2024

Ram

3500

Special Service

2019-2024

Ram

3500

Tradesman

## Details

- **Price:** 202.11 CAD
- **Vendor:** Fleece Performance
- **Type:** Thermostat Housings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 202.11 CAD | In stock |

## Images

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

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fleece-performance-19-22-ram-2500-3500-cummins-6-7l-replacement-thermostat-housing-w-aux-port)
> Updated: 2026-06-27