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Mishimoto MMTS-RSX-02 Racing Thermostat for 2002-2006 Acura RSX

(2003-2005 Honda Civic; 2002-2006 Honda CR-V; 2009-2013 Toyota Corolla; 2002-2006 Acura RSX; 1989-1991 Mercury Grand Marquis + 4 more models)

Manufacturer

Picture for manufacturer Mishimoto

Part Number

MMTS-RSX-02
13 reviews
Sale Price

$89.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Mishimoto MMTS-RSX-02 racing thermostat is engineered to enhance cooling efficiency in 2002-2006 Acura RSX engines, making it an essential upgrade for modified and turbocharged applications. This performance thermostat addresses the increased heat generation from performance modifications by optimizing coolant flow characteristics.

Key Features:

  • Low-temperature activation at 60°C (140°F) compared to the stock 78°C (172°F) thermostat
  • Promotes earlier coolant circulation for improved heat dissipation
  • Reduces and maintains lower engine operating temperatures under high-performance conditions
  • Direct replacement for OEM thermostat—no modifications required
  • Ideal for turbocharged, supercharged, and high-output naturally aspirated engines
  • Precision-engineered to Mishimoto's quality standards

By opening at a lower temperature threshold, this racing thermostat allows coolant to flow through the engine sooner in the warm-up cycle, preventing heat soak and maintaining optimal operating temperatures even under demanding driving conditions. The lower activation point is particularly beneficial for forced induction applications where consistent cooling is critical for performance and engine longevity.

Products specifications

Fits

2003-2005 Honda Civic; 2002-2006 Honda CR-V; 2009-2013 Toyota Corolla; 2002-2006 Acura RSX; 1989-1991 Mercury Grand Marquis; 1989-1991 Mercury Colony Park; 1990-1994 Volkswagen Corrado; 2016-2018, 2020 Mazda CX-3; 1971-1973 Nissan 1200

Installation Difficulty

2

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

TechSpec OEM Activation Temperature (F)

172.4

TechSpec Mishimoto Activation Temperature (F)

155

TechSpec Applications

2002-2006 Acura RSX Type S--2002-2005 Honda Civic SI--2002-2006 Honda CRV EX--2002-2006 Honda CRV LX--2005-2006 Honda CRV SE

TechSpec Chassis Codes

DC5--EP3

TechSpec Engine Codes

K20a3--K20a2--K20z1--K24a1--K24a3

TechSpec Includes

(1) Mishimoto Thermostat--Mishimoto Lifetime Warranty

Install Difficulty

2

super fast shipping!!!

Quick Easy and available what’s in stock advertisement!

Shipping is a little high

Overall great shipping info could have been a little sooner not after it was already almost here

Nice service

got faster than del date.

fast shipping , great price

My initial review was 1 star because I ordered a Thule rooftop cargo box, but cancelled the order after Autoplicity called me about collecting extra money to ship the item after their website did not charge me enough for shipping. After my initial review Autoplicity offered to ship the item totally free since the issue was a flaw in their website. This was unexpected, above and beyond in my opinion. I have yet to receive the item but commend Autoplicity's customer service

I was looking to buy a gale banks header for my jeep. I came across this site th eir price was nearly $100 cheaper than any one else. Fast shipping too. Thank you.

They have great prices! The same item I purchased from autoplicity is on summit racing for triple the price! This is my first order and I am very happy, will order from again!

Did not receive a confirmation email when I placed the order so I was unsure if if the order had gone through properly. Part shipped the day after I ordered it. I received three confirmation emails at the that time for some reason. Overall I would say the experience ordering from Autoplicity was excellent and inspired confidence.

Excellent price and great customer service. Would do business with them again.

Great Company. I needed a part quickly and for the right price. They had the best price on the internet, and made sure it got to me in two days before I went away on my road trip. I spoke to a representative that was very helpful. I highly recommend Autoplicity! Thanks!!!

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