# Wehrli 11-16 6.6L Duramax Thermostat Housing - Illusion Purple

This Thermostat Housing for 2011-2016 6.6L Duramax is a direct replacement upgrade for the OEM part that helps dress up your engine bay. Comes powder coated in your choice of color to complement other WCFab under hood upgrades like Intake Kits, Intercooler Piping, Upper Coolant Pipes, and Coolant Tanks.

-   Completes the look when also running a WCFab Upper Coolant Pipe
-   Direct Replacement for OEM Thermostat Housing
-   Durable Custom Powder Coat Finish
-   Cleans up engine bay appearance

This Part Fits:

Year

Make

Model

Submodel

2015-2016

Chevrolet

Silverado 2500 HD

High Country

2011-2016

Chevrolet

Silverado 2500 HD

LT

2011-2016

Chevrolet

Silverado 2500 HD

LTZ

2011-2016

Chevrolet

Silverado 2500 HD

WT

2015-2016

Chevrolet

Silverado 3500 HD

High Country

2011-2016

Chevrolet

Silverado 3500 HD

LT

2011-2016

Chevrolet

Silverado 3500 HD

LTZ

2011-2016

Chevrolet

Silverado 3500 HD

WT

2015-2016

GMC

Sierra 2500 HD

Base

2011-2016

GMC

Sierra 2500 HD

Denali

2011-2016

GMC

Sierra 2500 HD

SLE

2011-2016

GMC

Sierra 2500 HD

SLT

2011-2014

GMC

Sierra 2500 HD

WT

2015-2016

GMC

Sierra 3500 HD

Base

2011-2016

GMC

Sierra 3500 HD

Denali

2011-2016

GMC

Sierra 3500 HD

SLE

2011-2016

GMC

Sierra 3500 HD

SLT

2011-2014

GMC

Sierra 3500 HD

WT

## Details

- **Price:** 305.41 CAD
- **Vendor:** Wehrli
- **Type:** Thermostat Housings

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 305.41 CAD | In stock |

## Images

- Photo - Primary
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-11-16-6-6l-duramax-thermostat-housing-illusion-purple)
> Updated: 2026-07-07