# MotoRad 447-185 Engine Coolant Thermostat with Seal for 2001-2019 Chevy Express

### Specifications

Bypass Diameter: 1.18"

Bypass Length: 1.36"

Flange Thickness: 0.05"

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole Included: No

Number Of Seals: 1

Sealing Flange Outside Diameter: 2.13"

Temperature (Degree): 185F

### Features

-   Offer precise pressure control
-   Ensure the proper fit
-   Made of high quality materials
-   Easy installation

### Product Details

Engine Coolant Thermostat with Seal (447-185) by MotoRad®. Position: Front. Temperature: 185F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their vehicle. As cooling system experts, MotoRad knows what is necessary to manufacture a high-quality part that will stand up to the rigors of today’s demanding cooling system environments where others fail.

MotoRad offers a full line of thermostats to replace original equipment thermostats. These parts are manufactured with high-grade duel bridge stainless steel construction and they meet or exceed all original equipment manufacturer requirements. MotoRad also offers standard thermostats in many alternate temperatures.

Brand: MotoRad

Part Number: 447-185

UPC: 055644447858

Alternate MPN: 447185

OE Numbers: 8972411290

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006-2016

Chevy

Express

2001-2019

Chevy

Silverado 2500

2001-2019

Chevy

Silverado 3500

2006-2016

GMC

Savana

2001-2018

GMC

Sierra 2500

2001-2018

GMC

Sierra 3500

2006

Hummer

H1

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 447-185.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Engine Coolant Thermostat with Seal for Chevy Express
-   447-185 fitment
-   MotoRad Engine Coolant Thermostat with Seal
-   2006 Chevy Express Engine Coolant Thermostat with Seal

## Details

- **Price:** 25.75 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat with Seal
- **Tags:** 2001-2018 GMC Sierra 2500, 2001-2018 GMC Sierra 3500, 2001-2019 Chevy Silverado 2500, 2001-2019 Chevy Silverado 3500, 2006 Hummer H1, 2006-2016 Chevy Express, 2006-2016 GMC Savana, 447-185, Automotive, Engine Coolant Thermostat with Seal, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.75 CAD | In stock |

## Images

- MotoRad 447-185 Engine Coolant Thermostat with Seal for 2001-2019 Chevy Express

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-447-185-engine-coolant-thermostat-with-seal)
> Updated: 2026-08-17