# MotoRad 620-180 Engine Coolant Thermostat with Seal for 2004-2011 Mazda RX-8

### Specifications

Bypass Diameter: 1.09"

Bypass Length: 1.58"

Flange Thickness: 0.05"

Gasket/Seal Material: Rubber

Installation Tool Included: No

Jiggle Pin Weep Hole: Yes

Number Of Seals: 1

Sealing Flange Outside Diameter: 2.04"

Temperature (Degree): 180F

### 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: 180F. 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: 620-180

UPC: 055644620800

Alternate MPN: 620180

OE Numbers: N3H115171

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2004

Mazda

RX-8

2005

Mazda

RX-8

2006

Mazda

RX-8

2007

Mazda

RX-8

2008

Mazda

RX-8

2009

Mazda

RX-8

2010

Mazda

RX-8

2011

Mazda

RX-8

### 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 620-180.

**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 Mazda RX-8
-   620-180 fitment
-   MotoRad Engine Coolant Thermostat with Seal
-   2004 Mazda RX-8 Engine Coolant Thermostat with Seal

## Details

- **Price:** 30.53 CAD
- **Vendor:** MotoRad
- **Type:** Engine Coolant Thermostat with Seal
- **Tags:** 2004-2011 Mazda RX-8, 620-180, Automotive, Engine Coolant Thermostat with Seal, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 30.53 CAD | In stock |

## Images

- MotoRad 620-180 Engine Coolant Thermostat with Seal for 2004-2011 Mazda RX-8

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-620-180-engine-coolant-thermostat-with-seal)
> Updated: 2026-08-17