# MotoRad 538-187 Engine Coolant Thermostat with Seal for 2004-2012 Chevy Colorado

### Specifications

Bolt Hole Quantity: 2

Bolts Included: No

Color: Silver

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole: Yes

Material: Aluminum, Stainless Steel, Copper

Mounting Hardware Included: No

Mounting Hole Quantity: 2

Number Of Outlet Ports: 1

Number Of Seals: 1

Outlet Diameter: 1.59"

Temperature (Degree): 187F

### Features

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

### Product Details

Engine Coolant Thermostat with Seal by MotoRad®. Temperature: 187F. 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: 538-187

UPC: 055644538877

Alternate MPN: 538187

OE Numbers: 12579956

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Chevy

Colorado

2005

Chevy

Colorado

2006

Chevy

Colorado

2007

Chevy

Colorado

2008

Chevy

Colorado

2009

Chevy

Colorado

2010

Chevy

Colorado

2011

Chevy

Colorado

2012

Chevy

Colorado

2004

GMC

Canyon

2005

GMC

Canyon

2006

GMC

Canyon

2007

GMC

Canyon

2008

GMC

Canyon

2009

GMC

Canyon

2010

GMC

Canyon

2011

GMC

Canyon

2012

GMC

Canyon

2006

Hummer

H3

2007

Hummer

H3

2008

Hummer

H3

2009

Hummer

H3

2010

Hummer

H3

2009

Hummer

H3T

2010

Hummer

H3T

2006

Isuzu

I-Series

2007

Isuzu

I-Series

2008

Isuzu

I-Series

### 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 538-187.

**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 Colorado
-   538-187 fitment
-   MotoRad Engine Coolant Thermostat with Seal
-   2004 Chevy Colorado Engine Coolant Thermostat with Seal

## Details

- **Price:** 59.18 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat with Seal
- **Tags:** 2004-2012 Chevy Colorado, 2004-2012 GMC Canyon, 2006-2008 Isuzu I-Series, 2006-2010 Hummer H3, 2009-2010 Hummer H3T, 538-187, Automotive, Engine Coolant Thermostat with Seal, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 59.18 CAD | In stock |

## Images

- MotoRad 538-187 Engine Coolant Thermostat with Seal for 2004-2012 Chevy Colorado

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-538-187-engine-coolant-thermostat-with-seal)
> Updated: 2026-08-17