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Mishimoto In-Line Oil Thermostat
Mishimoto In-Line Oil Thermostat
Mishimoto In-Line Oil Thermostat
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Mishimoto In-Line Oil Thermostat

Marsoni M251S
Sale price$166.95
Pay 4 payments of $41.74 a month.Shop Pay
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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Quick Dispatch:

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

Order Tracking:

You'll receive a tracking link by email once your Mishimoto In-Line Oil Thermostat ships.

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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
4.3 ★★★★★
Based on 2200 reviews
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Product Reviews
S
Verified Purchase
S. E.
Grantham, US
★★★★★ 5
Perfect fit, no problems.
Style: Standard Air Filter
It fit perfect in my grandson's 2013 Subaru Outback. It went right in with no problem. And you can't beat the price. Will definitely purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
J
Verified Purchase
Joe Simpson
Alexandria, US
★★★★★ 4
Did not fit well - IMO
Style: Advanced Air Filter
Seems to fit but not as snug as the original...should work but not awesome
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 24, 2024
R
Verified Purchase
Rob7280
San Leandro, US
★★★★★ 5
Fit 2009 Subaru Forester
Style: Standard Air Filter
Perfect fit for 2009 Subaru Forester. Great price and fast shipping. Arrived undamaged. Would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
C
Verified Purchase
Courtney R.
Omaha, US
★★★★★ 5
Great aftermarket parts
Style: Standard Air Filter
Every product I bought from this brand has been fantastic. From filters to air sensors, everything has been high quality and works very well. They are an exact fit replacement.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025
M
Verified Purchase
miguel peralta
Massapequa, US
★★★★★ 5
Filter Subaru
Style: Advanced Air Filter
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026

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