Wahler is renowned manufacturer of exhaust gas recirculation (EGR) valves and tubes as well as engine thermostats for both on- and off-road applications. The company is owned by global powertrain supplier BorgWarner that utilizes EGR valve, cooler and tube technologies to provide premium products.

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    • (0 reviews)
      # sp47874
      Thermostat by Wahler®. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the Wahlers...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $8.25 - $213.96
    • (0 reviews)
      # sp98763
      EGR Valve by Wahler®. In order to maintain compliance with the increasing stringency of exhaust emissions levels without impairing engine performance, exhaust gas recirculation (EGR) is one of the most frequently used technology for...
      Excellent combination of quality and functionalityOffer precise pressure control
      $130.90 - $437.81
    • (0 reviews)
      # sp127122
      EGR Pipe by Wahler®. In order to maintain compliance with the increasing stringency of exhaust emissions levels without impairing engine performance, exhaust gas recirculation (EGR) is one of the most frequently used technology for...
      Excellent combination of quality and functionalityOffer precise pressure control
      $62.00
    • (0 reviews)
      # sp127123
      Air Box Thermostat by Wahler®. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the...
      Excellent combination of quality and functionalityOffer precise pressure control
      $9.58 - $9.66
    • (1 review)
      # sp47873
      Auxiliary Fan Switch by Wahler®. Has your temperature gauge needle been creeping up? These devices accurately convey temperature information from thermal management to associated electrical circuits. Fast, reliable and maintenance-free,...
      Excellent combination of quality and functionalityOffer precise pressure control
      $11.79 - $25.46
    • (0 reviews)
      # sp128070
      Thermostat Assembly by Wahler®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure the...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $41.04 - $210.22
    • (0 reviews)
      # sp128071
      Thermostat O-Ring by Wahler®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure the heart...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $1.24 - $3.75
    • (0 reviews)
      # mpn4495732252
      Water Pipe O-Ring by Wahler®. Water Pipe to Thermostat Housing (3 x 20 mm). The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and...
      Excellent combination of quality and functionalityOffer precise pressure control
      $1.11
    • (0 reviews)
      # mpn4495732305
      Thermostat Housing O-Ring by Wahler®. To Water Pump (64.77 x 2.62 mm). The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of...
      Excellent combination of quality and functionalityOffer precise pressure control
      $3.28
    • (0 reviews)
      # mpn4495732314
      EGR Valve O-Ring by Wahler®. In order to maintain compliance with the increasing stringency of exhaust emissions levels without impairing engine performance, exhaust gas recirculation (EGR) is one of the most frequently used technology...
      Excellent combination of quality and functionalityOffer precise pressure control
      $3.85
    • (0 reviews)
      # mpn4495732299
      Throttle Housing O-Ring by Wahler®. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the...
      Excellent combination of quality and functionalityOffer precise pressure control
      $3.99
    • (0 reviews)
      # mpn4495732309
      Thermostat Seal by Wahler®. Outer. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the...
      Excellent combination of quality and functionalityOffer precise pressure control
      $1.50
    • (0 reviews)
      # mpn4495732308
      Thermostat Housing Repair Kit by Wahler®. Includes (1) Metal Replacement Nipple, (1) Thermostat Housing, (1) 90 deg. C Thermostat, (1) Seal, (2) Gaskets. 90 deg. C. The varying applications and divergent technologies of the internal...
      Excellent combination of quality and functionalityOffer precise pressure control
      $107.77
    • (0 reviews)
      # mpn4495732302
      Thermostat Housing Seal by Wahler®. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the...
      Excellent combination of quality and functionalityOffer precise pressure control
      $3.45
    • (0 reviews)
      # mpn2472003
      Engine Coolant Thermostat without Bypass hole/valve by Wahler®. Temperature: 160 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $16.07
    • (0 reviews)
      # mpn2471975
      Engine Coolant Thermostat by Wahler®. Temperature: 87 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $23.31
    • (0 reviews)
      # mpn2471981
      Engine Coolant Thermostat by Wahler®. Temperature: 87 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $23.53
    • (0 reviews)
      # mpn2472010
      Engine Coolant Thermostat by Wahler®. Temperature: 140 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $19.05
    • (0 reviews)
      # mpn2471984
      Engine Coolant Thermostat Gasket by Wahler®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $4.63
    • (0 reviews)
      # mpn2472000
      Engine Coolant Thermostat by Wahler®. Temperature: 88 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $9.38
    • (0 reviews)
      # mpn2472018
      Engine Coolant Thermostat by Wahler®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $51.78
    • (0 reviews)
      # mpn2471991
      Engine Coolant Thermostat with Housing Gasket and 2 O-Rings by Wahler®. Temperature: 87-102 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $13.88
    • (0 reviews)
      # mpn2471995
      Engine Coolant Thermostat without Gasket and with Bypass Valve by Wahler®. Temperature: 165 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $16.20
    • (0 reviews)
      # mpn1808338108
      EGR Valve by Wahler®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to the auto parts...
      Excellent combination of quality and functionalityOffer precise pressure control
      $186.77
    • (0 reviews)
      # mpn286794028
      Engine Coolant Thermostat without O-Ring by Wahler®. Temperature: 176 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $41.11
    • (0 reviews)
      # mpn2472016
      Engine Coolant Thermostat by Wahler®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $25.98
    • (0 reviews)
      # mpn4495732265
      Thermostat by Wahler®. The varying applications and divergent technologies of the internal combustion engine call for thermostats featuring different operating characteristics and modes of operation. For this reason, the Wahlers...
      Excellent combination of quality and functionalityOffer precise pressure control
      $16.07
    • (0 reviews)
      # mpn4463232482
      Engine Coolant Thermostat with O-Ring by Wahler®. Temperature: 87 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $14.97
    • (0 reviews)
      # mpn2471982
      Engine Coolant Thermostat with O-Ring by Wahler®. Temperature: 75 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $17.29
    • (0 reviews)
      # mpn2472020
      Engine Coolant Thermostat with Thermostat Gasket and Thermostat Cover Gasket by Wahler®. Temperature: 194 Degree. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $19.71




    Without exception, Wahler products are installed either directly on engines or in their immediate vicinity. This means that they must withstand both the radiated engine heat and the high temperatures of cooling media and exhaust gases for whose control and transport they are designed. Accordingly, Wahler products perform with the utmost reliability at all temperatures and in the most challenging conditions.

    Wahler manufactures thermostats that selectively regulate the temperature of cooling circuits (water, oil and air). The company's valves and flaps, as components of exhaust gas recirculation systems, control the travel and flow volume of exhaust gases. Wahler pipes and hoses make up the many connections required in engines to transport hot exhaust gases as well as coolants and lubricants.

    Because the functions of Wahler products directly impact engine performance and service life, the company is dedicated to ensuring their high quality at all times. Throughout the various manufacturing phases, this constant applies to both the quality of materials and the operating characteristics of Wahler products.

    Wahler Reviews

    Average rating:  5  4.8 - 1 review
      /  Read All Wahler Reviews
    4.8 of 5
    So Far, So Good
    Out with the old, in with the new. The part fits perfectly in place of the old one and works well. My only complaint is that the new part had a slightly larger circumference around the outside than the old part. This meant I had to use pliers to tighten it down, rather than a socket. Not a big deal.
    TPosted by Thomas (Morgan Hill, CA) / August 27, 2015
    1989 Volkswagen Golf GTI
    Was this review helpful for you? Yes
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