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  See more parts for Audi A4
Select the year of your Audi A4:
Mishimoto Racing Thermostat Audi A4 | Volkswagen Beetle | Golf | GTI | Jetta | Passat 1997-2006 - 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
  • Vehicle Specifications:
    • Chassis Codes: A4
    • Engine Codes: 1.8T/2.0L/3.2L VR6


Fitment:
  • Audi A4 Base 1.8T 1997-2001
  • Audi TT Base 2003-2006
  • Audi TT 1.8T 2000-2006
  • Audi TT 3.2L 2004-2006
  • Volkswagen Beetle Base 1.8T, 2.0L 1998
  • Volkswagen Beetle GL 1.8T, 2.0L 1999-2005
  • Volkswagen Beetle GLS 1.8T, 2.0L 1999-2005
  • Volkswagen Beetle GLX 1.8T, 2.0L 1999-2004
  • Volkswagen Beetle Sport 2001-2002
  • Volkswagen Beetle Turbo S 1.8T, 2.0L 2002-2004
  • Volkswagen Golf GL 1998-2005
  • Volkswagen Golf GLS 1999-2005
  • Volkswagen Golf 1.8T, 2.0L 1999-2006
  • Volkswagen Golf GTI 1.8T 2002-2005
  • Volkswagen Golf GTI GLS 2000-2001
  • Volkswagen GTI 1.8T 1995-2005
  • Volkswagen Golf K2 1998
  • Volkswagen Golf Wolfsburg Edition 1999
  • Volkswagen Jetta GL 1.8T, 2.0L 1998-2005
  • Volkswagen Jetta GLI 1.8T, 2.0L 2005
  • Volkswagen Jetta GLS 1.8T, 2.0L 1998-2005
  • Volkswagen Jetta GT 1998
  • Volkswagen Jetta K2 1.8T, 2.0L 1998
  • Volkswagen Jetta Wolfsburg Edition 1.8T, 2.0L 1998-2003
  • Volkswagen Passat GL 1.8T 2003-2005
  • Volkswagen Passat GL TDI 1.8T 2004-2005
  • Volkswagen Passat GLS 1.8T 1998-2005
  • Volkswagen Passat GLS 4 Motion 1.8T 2004-2005
  • Volkswagen Passat GLS TDI 1.8T 2004-2005

Other Part Numbers:
Mishimoto #misMMTS-GTI-99

Proposition 65

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

Vehicle Make/Model
Audi A4 1997-2001 Base
Audi A4 1998 Avant
Audi A4 2001 Luxury
Audi A4 2001 Basico
Audi A4 2001 Confort
Audi A4 2001 Sport
Audi TT 2003-2006 Base
Audi TT 2005-2006 Sport
Audi TT 2006 Classic Edition
Volkswagen Beetle 1998-1999 Base
Volkswagen Beetle 1998 TDI
Volkswagen Beetle 1999 Lujo
Volkswagen Beetle 1999-2005 GLS
Volkswagen Beetle 1999-2005 GL
Volkswagen Beetle 1999-2004 GLX
Volkswagen Beetle 2000-2001 GLS Turbo
Volkswagen Beetle 2000-2001 GLX Turbo
Volkswagen Beetle 2001-2002 Sport
Volkswagen Beetle 2001-2005 GLX Sport Turbo
Volkswagen Beetle 2002-2005 GLS Sport Turbo
Volkswagen Beetle 2002-2005 Turbo S
Volkswagen Beetle 2003-2005 Cabrio
Volkswagen Beetle 2003 GLS Sport
Volkswagen Beetle 2003 GLS Edicion especial
Volkswagen Beetle 2005 GLS TDI
Volkswagen Golf 1998-2005 GL
Volkswagen Golf 1998-1999, 2002-2005 GTI VR6
Volkswagen Golf 1998 K2
Volkswagen Golf 1998-2005 GTI
Volkswagen Golf 1998 CL
Volkswagen Golf 1998 Atlanta
Volkswagen Golf 1998-1999 MI
Volkswagen Golf 1998-1999, 2005 TDI
Volkswagen Golf 1999 Wolfsburg Edition
Volkswagen Golf 1999-2005 GLS
Volkswagen Golf 2000-2002 Verano
Volkswagen Golf 2000-2001 GTI GLX
Volkswagen Golf 2000-2001 GTI GLS
Volkswagen Golf 2000-2002 Base
Volkswagen Golf 2000-2002 Lujo
Volkswagen Golf 2000-2002 Confort
Volkswagen Golf 2001-2003 GTI Turbo
Volkswagen Golf 2002 GTI 337
Volkswagen Golf 2002-2005 GTI 1.8T
Volkswagen Golf 2003-2005 Europa
Volkswagen Golf 2003 GTI 20th Anniversary
Volkswagen Golf 2003-2005 Comfortline
Volkswagen Golf 2003-2005 Trendline
Volkswagen Golf 2004 GL TDI
Volkswagen Golf 2004 GLS TDI
Volkswagen Jetta 1998-2005 GLS
Volkswagen Jetta 1998 K2
Volkswagen Jetta 1998-2005 GL
Volkswagen Jetta 1998-2003 GLX
Volkswagen Jetta 1998-1999, 2001, 2003 Wolfsburg Edition
Volkswagen Jetta 1998, 2002-2005 Europa
Volkswagen Jetta 1998 GT
Volkswagen Jetta 1998-1999 CL
Volkswagen Jetta 1998 VR6
Volkswagen Jetta 1998-2005 TDI
Volkswagen Jetta 1999-2002 GLX VR6
Volkswagen Jetta 1999 GLS Confort
Volkswagen Jetta 1999 VR6 Carat
Volkswagen Jetta 1999-2000 GLS VR6
Volkswagen Jetta 1999 Base
Volkswagen Jetta 2000-2001 GLS Turbo
Volkswagen Jetta 2000-2002 GL Confort
Volkswagen Jetta 2001 GL Variant
Volkswagen Jetta 2001 GLS Wolfsburg
Volkswagen Jetta 2001 GLS Variant
Volkswagen Jetta 2002-2003 Variant Comfortline
Volkswagen Jetta 2002-2005 Trendline
Volkswagen Jetta 2002-2005 Sportline
Volkswagen Jetta 2002-2003 Variant Trendline
Volkswagen Jetta 2002-2003 Confortline
Volkswagen Jetta 2002-2005 GLI
Volkswagen Jetta 2002-2003 Highline
Volkswagen Jetta 2003 Edicion Limitada
Volkswagen Jetta 2003 Jazz
Volkswagen Jetta 2003 Europa Wolfsburg
Volkswagen Jetta 2003 Trendline Wolfsburg
Volkswagen Jetta 2004-2005 Comfortline
Volkswagen Jetta 2004 Europa 50 Aniversario
Volkswagen Jetta 2004 GLI 50 Aniversario
Volkswagen Jetta 2005 Summer Edition
Volkswagen Jetta 2005 Limited Edition
Volkswagen Jetta 2005 Special Edition
Volkswagen Jetta 2005 2.5
Volkswagen Jetta 2005 GLS TDI
Volkswagen Jetta 2005 GL TDI
Volkswagen Passat 1998-2005 GLX
Volkswagen Passat 1998-2005 GLS
Volkswagen Passat 1999-2005 V6
Volkswagen Passat 1999-2005 1.8T
Volkswagen Passat 2000 4 Motion
Volkswagen Passat 2001-2005 GLX 4 Motion
Volkswagen Passat 2001-2002, 2004-2005 GLS 4 Motion
Volkswagen Passat 2002-2004 W8
Volkswagen Passat 2002-2005 V6 4Motion
Volkswagen Passat 2003-2005 GL
Volkswagen Passat 2004-2005 GL TDI
Volkswagen Passat 2004-2005 GLS TDI

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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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