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  See more parts for Audi A4
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Mishimoto Racing Thermostat - MMTS-GTI-99
The Mishimoto racing thermostat for the 99-05 Volkwagen GTI 1.8T will promote greater cooling efficiency in your stock or modified GTI. Once the engine is fully warmed up, Mishimotos Volkswagen GTI racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine'sooner, which reduces and maintains cooler engine temperatures. The Mishimoto 99-05 Volkwagen GTI 1.8T racing thermostat is the perfect addition to your street or track GTI and is a direct replacement for the stock thermostat. This thermostat includes the signature Mishimoto Lifetime Warranty.

Purchase Includes:
  • (1) Mishimoto Thermostat
  • (1) Rubber O-Ring
  • Mishimoto Lifetime Warranty


Specifications:
  • Mishimoto Activation Temperature Degree F): 180
  • OEM Activation Temperature Degree F): 188.6


Fitment:
  • Audi A4 Base 1997-2001
  • Audi TT Base 2003-2006
  • Volkswagen Beetle Base 1998
  • Volkswagen Beetle GL 1999-2005
  • Volkswagen Beetle GLS 1999-2005
  • Volkswagen Beetle GLX 1999-2004
  • Volkswagen Beetle Sport 2001-2002
  • Volkswagen Beetle Turbo S 2002-2004
  • Volkswagen Golf GL 1998-2005
  • Volkswagen Golf GLS 1999-2005
  • Volkswagen Golf GTI 1.8T 2002-2005
  • Volkswagen Golf GTI GLS 2000-2001
  • Volkswagen Golf K2 1998
  • Volkswagen Golf Wolfsburg Edition 1999
  • Volkswagen Jetta GL 1998-2005
  • Volkswagen Jetta GLI 2005
  • Volkswagen Jetta GLS 1998-2005
  • Volkswagen Jetta GT 1998
  • Volkswagen Jetta K2 1998
  • Volkswagen Jetta Wolfsburg Edition 1998-2003
  • Volkswagen Passat GL 2003-2005
  • Volkswagen Passat GL TDI 2004-2005
  • Volkswagen Passat GLS 1998-2005
  • Volkswagen Passat GLS 4 Motion 2004-2005
  • Volkswagen Passat GLS TDI 2004-2005
  • Chassis Codes: A4
  • Engine Codes: 1.8T/2.0L/3.2L VR6

Other Part Numbers:
Mishimoto #misMMTS-GTI-99

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1997-2001
 Audi A4
2003-2006
 Audi TT MK1
1998-2005
 Volkswagen Beetle
1998-2004
 Volkswagen Golf MK4
2005
 Volkswagen Golf MK5
1998-2005
 Volkswagen Jetta
1998-2005
 Volkswagen Passat

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Who is Mishimoto?

Mishimoto is an aftermarket automotive company that was established in 2005. They are known for creating the industry’s best performing cooling system components. Today, they have become the market leader and has been chosen by various enthusiasts worldwide.

Parts for All Your Cooling Needs

Mishimoto offers a wide range of products such as couplings, radiators, fans, and other cooling system components for practically every vehicle, may it be a sport compact, truck, jeep, muscle cars, and classic vehicles. They also offer intake systems and intercoolers that help the vehicle gain more horsepower.

Built to Perform Better

The company creates products that are better than the stock components. Their parts are designed to work in higher pressure ratings and are more robust. Hence, they are the brand of choice by tuners and enthusiasts who demand a cooling system that can work for high-performance applications. Many racers choose Mishimoto as it has proven itself to produce race winners whatever racing discipline it is, may it be circuit racing, drag racing, drifting, and off road racing.

Purchase Mishimoto Products at Vivid Racing

Your vehicle cooling system plays a critical role in your vehicle. It keeps the temperature at bay and prevents severe damages caused by overheating. If you want a product that can put your trust in, then Mishimoto is the brand for you. Tested by many racers on the track and a variety of car enthusiasts on the street, you can be sure that you will never go wrong with Mishimoto.

Visit Vivid Racing and check out their list of products that would fit your specific needs.











Mishimoto Automotive ("Mishimoto") warrants its products under this lifetime limited warranty policy ("Warranty Policy"). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a "Mishimoto Product" and collectively, the "Mishimoto Products") and (ii) the original purchaser of such Mishimoto Product ("Purchaser"). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

Pursuant to the terms and conditions of this Warranty Policy, after submission of a valid claim by a Purchaser and regardless of the condition of the product for which such valid claim is submitted, if it is determined by Mishimoto that such Mishimoto Product was not manufactured to Mishimoto's advertised specifications or if such claim was submitted pursuant to Mishimoto's Accident Protection Plan, as described herein, Mishimoto will, at its discretion: (i) repair or replace Purchaser's original Mishimoto Product; (ii) replace Purchaser's original Mishimoto Product with the most current available model (if, for example, the original model of the product for which a valid claim has been submitted is not available); or (iii) provide the purchaser with a gift card redeemable at Mishimoto.com in the amount of the original purchase price of the original Mishimoto Product (if, for example, Mishimoto has discontinued support for a Purchaser's specific application).

To submit a claim for a Mishimoto Product under this Warranty Policy, you must: (i) fully and accurately fill out the online form provided below; and (ii) provide Mishimoto with a copy of an original sales receipt indicating that you are the original Purchaser of the Mishimoto Product for which the claim is being submitted (you must also provide the information described in the paragraph of this Warranty Policy titled "Mishimoto Accident Protection Plan" if you are submitting a claim for a Mishimoto Product damaged in an accident). In addition, if requested by Mishimoto, you must also send the Mishimoto Product for which a claim is being made, all transportation expenses prepaid, to Mishimoto.

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