Mishimoto In-Line Oil Thermostat

Marsoni

M251S

$166.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Mishimoto In-Line Oil ThermostatSKU: MMOP EXTFC UPC: 748354010640 Mishimoto In Line Oil Thermostat Universal Fit The Mishimoto In Line Oil Thermostat delivers precise temperature regulation for engine oil transmission fluid or driveline fluids in any automotive build. Designed for tight clearance areas where standard sandwich plates do not fit this unit installs inline with existing lines. It maintains 185 degrees Fahrenheit for optimal viscosity and performance across all projects.

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Your Mishimoto In-Line Oil Thermostat orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

I am extremely satisfied with this product! It worked even better than I expected. The plastic on my car looks like new again—deep, rich color and a nice clean finish. The application process was simple and quick, and a little product goes a long way. I also love how long-lasting the results are. After several washes, it still looks great and provides solid protection. Definitely a high-quality product that delivers on its promises. I highly recommend it 100% to anyone looking to restore and protect their car’s plastic surfaces!

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Reviewed in the United States on April 13, 2026

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charles titsworth

Dallas, US

★★★★★ 5

Good product

Number of Items: 1

This stuff works really well. A little goes a long way

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Reviewed in the United States on May 26, 2026

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Walt D

Carnegie, US

★★★★★ 5

Works perfect. My trim looks brand new again.

Number of Items: 2

This product worked great. I love the finished look. It was definitely worth the money and didn't take long to apply. I recommend to everyone looking to bring back your black trim to original.

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Reviewed in the United States on April 7, 2026

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Stacey Hopkins

Los Angeles, US

★★★★★ 5

Trim rejuvenator.

Number of Items: 1, Number of Items: 1

This product works! One application made my trim look brand new!

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Reviewed in the United States on April 18, 2026

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