SKU: MMTS-SPT-85 | UPC: 748666000780
Mishimoto Sandwich Plate Thermostat 85 Degrees C/185 Degrees F – Universal for Performance Vehicles
The Mishimoto Sandwich Plate Thermostat regulates oil flow to your cooler, opening at 85°C/185°F to keep engine oil at peak operating temperatures. It installs directly into any Mishimoto sandwich plate used on vehicles like Subaru Impreza WRX/STI, BMW 3-Series, Honda Civic, and Toyota models. This setup delivers consistent oil temps for better lubrication and engine protection during spirited driving.
Key Features
- Opening Temperature: Activates at 85°C (185°F) to direct oil through the cooler only when needed, avoiding cold oil stress on engine components
- Billet Aluminum Construction: CNC-machined for strength and durability, handles high-pressure oil systems without failure
- Black Anodized Finish: Resists corrosion and wear for long-term reliability in harsh engine bay conditions
- Direct Fit Design: Replaces factory thermostat in Mishimoto sandwich plates with no modifications required
- Performance Tuning: Lowers peak oil temps by up to 20°F when paired with Mishimoto oil coolers, supporting higher boost levels
Product Notes
- Verify your sandwich plate model for seamless integration before purchase
- Pair with high-quality synthetic oil for best results and longevity
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Drain engine oil, remove factory thermostat from sandwich plate, and insert new unit with proper O-ring lubrication
- Use provided gasket and torque bolts to 18-22 ft-lbs for leak-free seal
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2021 | Subaru | Impreza | WRX/STI |
| 2007-2013 | BMW | 3 Series | 335i |
| 2013-2021 | Subaru | BRZ | All |
| 1992-2000 | Honda | Civic | EG/EK |
| 1993-1998 | Toyota | Supra | All |
| 2000-2009 | Honda | S2000 | All |
| 1989-1997 | Mazda | Miata MX-5 | All |
Why Choose Mishimoto?
- Backed by Mishimoto Lifetime Warranty for peace of mind
- Proven in motorsports and daily driven performance cars worldwide
- Engineered with direct-fit precision for reliable operation
Frequently Asked Questions
- Q: What temperature does this thermostat open at?
A: It opens precisely at 85°C (185°F), sending oil to the cooler while bypassing it during warmup for faster engine heat-up - Q: What material is the thermostat made from?
A: High-strength billet aluminum with black anodizing to withstand oil pressures over 100 PSI and resist oxidation - Q: What warranty coverage is provided?
A: Covered under Mishimoto Lifetime Warranty against defects in materials and workmanship
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact Mishimoto box measuring 4in x 3in x 2in
- Weight: 0.20 lb
Reviews
There are no reviews yet.