Mahle® W0133-1737324-MAH - Engine Coolant Thermostat Assembly

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Product Details

Mahle Parts

Engine Coolant Thermostat Assembly (W0133-1737324-MAH) by Mahle®. Want to keep your engine from overheating? Replace your faulty engine coolant thermostat with this high-quality Mahle thermostat engineered to deliver outstanding performance and reliability. Made using top-grade materials and the latest equipment, it is sure to efficiently regulate engine coolant temperature, preventing damage to other engine components.



  • Proven to keep engine coolant temperature at an optimal level
  • Crafted from the finest materials for exceptional dependability
  • Made to meet the highest standards of quality and performance
  • Guaranteed to provide long-lasting service life

An engine coolant thermostat is a critical part of your vehicle’s cooling system designed to keep your engine running at an optimal temperature. If your thermostat fails, your engine will start overheating, which can eventually cause damage to other vital vehicle’s components, including the radiator, water pump, etc. To keep your cooling system performing properly, replace your faulty thermostat as soon as possible. If you’re looking for a quality replacement for your factory thermostat, this top-of-the-line thermostat by Mahle is the way to go. It is made with advanced technology to ensure efficient operation of your engine, while minimizing wear and emissions. Manufactured from the highest-grade materials, it will serve you for years to come.

As one of the world’s 20 largest suppliers and a development partner to the automotive industry, Mahle® offers innovative mobility solutions that stand for clean air, fuel efficiency, and driving pleasure. The group supports manufacturers as early as in the development of new vehicle generations, not to mention the continuous improvement of series production applications. Proof of brand's technological leadership is not least to be seen in brand's successes in motorsport - be it in Formula 1 or in Le Mans. Moreover, brand's innovative products are used in stationary applications, mobile machinery, as well as in railroad, marine, and aerospace applications. And of course, Mahle also supply workshops and engine repair workshops with Mahle products in original equipment quality.

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Warranty Information

Mahle® warrants its products to be free from defects in materials or workmanship for a period of 1 year. The Warranty period begins on the date the product is delivered.

The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

During the Warranty Period, Mahle will repair or replace, at no charge, a product that is defective in materials or workmanship. Mahle reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Audi A4
2006 Audi A4
  • 1.8L
2005 Audi A4 / A4 Quattro
  • 1.8L
2004 Audi A4 / A4 Quattro
  • 1.8L
2003 Audi A4 / A4 Quattro
  • 1.8L
2002 Audi A4 / A4 Quattro
  • 1.8L

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