SKU: MMTS-RX8-04L | UPC: 748666007628
Mishimoto Mazda RX8 Racing Thermostat
The Mishimoto Mazda RX8 Racing Thermostat delivers precise temperature control for high-performance driving. It fits 2004-2011 Mazda RX-8, 1993-2002 Mazda 626, 1993-1997 Ford Probe, 1989-2002 Mazda MPV and dozens more models listed below. Opening at 160°F versus stock 180°F, it reduces operating temperatures by up to 10°F for rotary engines and turbo diesels while enabling faster warm-up times.
Key Features
- 160°F Opening Temperature: Activates sooner than OEM for quicker engine warm-up and sustained lower coolant temperatures during track or spirited driving
- Direct OEM Fitment: Exact replacement for factory thermostat with no modifications required across Mazda FS-DE, RF engines and compatible Ford/Mazda applications
- Precision CNC Machining: Brass construction with stainless steel spring ensures durability and resistance to corrosion under high-heat conditions
- Included Gasket: High-quality O-ring seal prevents leaks and simplifies installation for reliable long-term performance
- Lifetime Warranty: Backed by Mishimoto’s lifetime guarantee against manufacturing defects for peace of mind
Product Notes
- Pair with high-performance coolant and Mishimoto radiator for maximum cooling efficiency
- Flush cooling system completely before installation to remove contaminants
- Packed in protective retail box with dimensions 1.75 x 5.5 x 3.75 inches
Installation Notes
- Professional installation recommended.
- Drain coolant fully and remove lower radiator hose to access thermostat housing
- Torque bolts to factory specifications using OEM hardware. no additional parts needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-1997 | Ford | Probe | Base |
| 1993-1997 | Ford | Probe | GT |
| 1997 | Ford | Probe | GTS |
| 1993-1996 | Ford | Probe | SE |
| 2011-2013 | Mazda | 2 | Sport |
| 2011-2013 | Mazda | 2 | Touring |
| 1993-1998 | Mazda | 626 | DX |
| 1993-2002 | Mazda | 626 | ES |
| 1993-2002 | Mazda | 626 | LX |
| 1995-2002 | Mazda | Millenia | Base |
| 1995-1998 | Mazda | Millenia | L |
| 2000 | Mazda | Millenia | Millennium Edition |
| 1995-2000,2002 | Mazda | Millenia | S |
| 1989-1992 | Mazda | MPV | Cargo |
| 1996 | Mazda | MPV | DX |
| 1996-1998,2002 | Mazda | MPV | ES |
| 1995 | Mazda | MPV | L |
| 1995-1998,2002 | Mazda | MPV | LX |
| 1995 | Mazda | MPV | LXE |
| 1989-1994 | Mazda | MPV | Passenger |
| 1992-1994 | Mazda | MX-3 | Base |
| 1992-1994 | Mazda | MX-3 | GS |
| 1993 | Mazda | MX-3 | SE |
| 1993-1997 | Mazda | MX-6 | Base |
| 1993-1997 | Mazda | MX-6 | LS |
| 1996 | Mazda | MX-6 | M Edition |
| 1999-2003 | Mazda | Protege | DX |
| 1999-2003 | Mazda | Protege | ES |
| 1999-2003 | Mazda | Protege | LX |
| 2003 | Mazda | Protege | Mazdaspeed |
| 2001 | Mazda | Protege | MP3 |
| 2008 | Mazda | RX-8 | 40th Anniversary Edition |
| 2004-2007 | Mazda | RX-8 | Base |
| 2008-2010 | Mazda | RX-8 | Grand Touring |
| 2009-2010 | Mazda | RX-8 | R3 |
| 2005 | Mazda | RX-8 | Shinka |
| 2008-2010 | Mazda | RX-8 | Sport |
| 2008-2009 | Mazda | RX-8 | Touring |
| 2003 | Suzuki | Grand Vitara | Base |
| 2001-2002 | Suzuki | Grand Vitara | JLS |
| 2001 | Suzuki | Grand Vitara | JLS Plus |
| 2001 | Suzuki | Grand Vitara | JLS Plus SE |
| 2001-2002 | Suzuki | Grand Vitara | JLX |
| 2001 | Suzuki | Grand Vitara | JLX Plus |
| 2001 | Suzuki | Grand Vitara | JLX Plus SE |
| 2001-2002 | Suzuki | Grand Vitara | Limited |
| 2001 | Suzuki | Grand Vitara | XL-7 |
| 2001 | Suzuki | Grand Vitara | XL-7 Limited |
| 2001 | Suzuki | Grand Vitara | XL-7 Plus |
| 2001 | Suzuki | Grand Vitara | XL-7 Touring |
Why Choose Mishimoto?
- Trusted by motorsport teams for reliable cooling solutions worldwide
- Rigorously tested on dyno and race track for real-world durability
- Engineered in the USA with global manufacturing standards
Frequently Asked Questions
- Q: Will this fit my 2006 Mazda RX-8 Grand Touring?
A: Yes, direct fit for all 2004-2011 Mazda RX-8 models including Base, Sport, Grand Touring, R3, Shinka and 40th Anniversary Edition - Q: What materials are used in construction?
A: Brass body for heat transfer, stainless steel spring for longevity and EPDM rubber gasket for sealing - Q: What is the warranty and installation process?
A: Lifetime warranty against defects. install takes 30-60 minutes with basic tools after draining coolant
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective Mishimoto retail box 1.75 x 5.5 x 3.75 inches
- Weight: 0.25 lb product weight, 0.5 lb shipping weight





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