HomeBelts and Cooling > Thermostat and HousingRein CTN0025 Engine Coolant Thermostat
Part #: CTN0025

Rein CTN0025 Engine Coolant Thermostat

⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, Porsche, and Volkswagen, Q7, Cayenne, Passat, and Touareg
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Reliable Engine Coolant Thermostat for Audi, Porsche, Volkswagen

The Rein CTN0025 engine coolant thermostat is designed to meet original equipment specifications, ensuring precise temperature regulation for your vehicle. Compatible with select Audi, Porsche, and Volkswagen models, this thermostat helps maintain optimal engine performance and efficiency.

Key Features of Rein CTN0025 Thermostat

  • Matches original equipment design specifications for accurate fit and function
  • Includes all necessary gaskets and seals for installation
  • Manufactured to strict engineering standards in Illinois
  • Thermostat set to 80 degrees Celsius to maintain optimal engine temperature
  • Durable black finish for corrosion resistance

Product Details and Specifications

The Rein CTN0025 thermostat insert is engineered as a direct replacement for factory-installed thermostats in vehicles such as the Audi Q7, Porsche Cayenne, Volkswagen Passat, and Volkswagen Touareg. With dimensions of 3 inches in length, 3 inches in width, and 2 inches in height, and weighing approximately 0.23 pounds, this application-specific thermostat ensures precise temperature control. The product comes packaged in a box and includes all gaskets or seals necessary for installation, although installation hardware and instructions are not included.

Compatible Vehicles and Common Applications

  • Audi Q7 engine cooling system temperature regulation
  • Porsche Cayenne thermostat replacement for consistent engine heat management
  • Volkswagen Passat coolant thermostat for maintaining engine operating temperature
  • Volkswagen Touareg engine temperature control component

Installation Notes and Tips

While the Rein CTN0025 thermostat includes all required gaskets and seals, installation hardware and instructions are not provided. It is recommended to consult a professional mechanic or refer to the vehicle’s service manual for proper installation procedures. Ensure the engine is cool before removal and replacement to avoid injury or damage.

Quality Assurance and Warranty Information

Manufactured in Illinois under strict engineering standards, the Rein CTN0025 thermostat insert is designed to meet original equipment quality. This product undergoes rigorous quality control to ensure reliable performance and durability. Warranty details should be confirmed with the distributor or manufacturer.

BrandRein
Part NumberCTN0025
Application TypeApplicationSpecific
ColorBlack
Container TypeBX
Country of OriginIL
Installation Instructions IncludedNo
Is the Installation Hardware IncludedNo
Item Height2.0000
Item Length3.0000
Item Level GTIN888544067167
Item Qty1
Item UOMEA
Item Weight0.2300
Item Weight Unit UOMLB
Item Width3.0000
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Extended 240Rein OE quality thermostat inserts are designed to be direct replacements for OE thermostat inserts. Rein thermostat inserts are manufactured with high-quality plastic or metal construction to ensure durability and long service life.
Product Desc Invoice 40Rein Thermostat Insert
Product Desc Long 80Rein OE Quality Thermostat Insert
Product Desc Short 20Thermostat Insert

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010AudiQ73.6LV6N/A
2010PorscheCayenne3.6LV6N/A
2010VolkswagenPassat3.6LV6N/A
2010VolkswagenTouareg3.6LV6N/A
2009AudiQ73.6LV6N/A
2009PorscheCayenne3.6LV6N/A
2009VolkswagenPassat3.6LV6N/A
2009VolkswagenTouareg3.6LV6N/A
2008AudiQ73.6LV6N/A
2008PorscheCayenne3.6LV6N/A
2008VolkswagenPassat3.6LV6N/A
2008VolkswagenTouareg3.6LV6N/A
2007AudiQ73.6LV6N/A
2007VolkswagenPassat3.6LV6N/A
2007VolkswagenTouareg3.6LV6N/A
2006VolkswagenPassat3.6LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.