OE Quality
60-Day Returns

Rein CTA0026 Engine Coolant Thermostat Housing Assembly
Reliable Thermostat Housing Assembly for Porsche 911, Boxster, and Cayman
The Rein CTA0026 engine coolant thermostat housing assembly is engineered to meet original equipment specifications, ensuring precise temperature regulation for Porsche 911, Boxster, and Cayman models. Designed for direct fitment, this thermostat assembly simplifies installation while maintaining optimal engine performance.
Key Features of Rein CTA0026 Thermostat Assembly
- Matches original equipment design specifications for accurate fit and function
- Direct fitment allows for straightforward installation without modifications
- Manufactured to strict engineering standards in Germany for consistent quality
- Thermostat set to 83 degrees Celsius to maintain optimal engine running temperature
- Durable grey housing designed for long-lasting performance
Detailed Product Description
The Rein CTA0026 thermostat housing assembly is a vehicle-specific replacement part designed for Porsche 911, Boxster, and Cayman models. This assembly includes a thermostat calibrated to open at 83 degrees Celsius, which helps regulate coolant flow and maintain the engine’s ideal operating temperature. Manufactured in Germany, the unit adheres to stringent engineering standards, ensuring reliable performance and durability. Its grey housing matches the original equipment design, providing a seamless replacement that supports efficient engine cooling system operation.
Common Applications and Issues Addressed
- Replacement of faulty or leaking thermostat housing assemblies
- Resolving engine overheating caused by thermostat failure
- Addressing coolant leaks around the thermostat housing
- Restoring proper coolant flow and temperature regulation
- Preventing engine damage due to improper thermostat operation
Installation Notes and Tips
The Rein CTA0026 thermostat housing assembly is designed for direct fitment on Porsche 911, Boxster, and Cayman vehicles, allowing for an easier installation process. Note that installation hardware and instructions are not included, so it is recommended to have appropriate tools and technical knowledge or consult a professional mechanic. Ensure the cooling system is properly drained before removal and verify all gasket surfaces are clean to prevent leaks.
Quality Assurance and Warranty Information
Manufactured in Germany, the Rein CTA0026 thermostat assembly complies with strict engineering standards to ensure durability and performance. While specific warranty details are not provided, Rein products are known for their adherence to OE quality standards, offering reliable replacement parts for Porsche vehicles.
| Brand | Rein |
|---|---|
| Part Number | CTA0026 |
| Application Type | ApplicationSpecific |
| Color | Grey |
| Container Type | BX |
| Country of Origin | DE |
| Installation Instructions Included | No |
| Is the Installation Hardware Included | No |
| Item Height | 3.0000 |
| Item Length | 5.0000 |
| Item Level GTIN | 888544067181 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.8400 |
| Item Weight Unit UOM | LB |
| Item Width | 4.0000 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Product Desc Extended 240 | Rein 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 40 | Rein Thermostat Assembly |
| Product Desc Long 80 | Rein OE Quality Thermostat Assembly |
| Product Desc Short 20 | Thermostat Assembly |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2008 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | |
| 2008 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | |
| 2008 | Porsche | 911 | Targa 4 | 3.6L | H6 | N/A | |
| 2008 | Porsche | 911 | 3.8L | H6 | N/A | ||
| 2008 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2008 | Porsche | Boxster | 3.4L | H6 | N/A | ||
| 2008 | Porsche | Cayman | 2.7L | H6 | N/A | ||
| 2008 | Porsche | Cayman | 3.4L | H6 | N/A | ||
| 2007 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | |
| 2007 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | |
| 2007 | Porsche | 911 | Targa 4 | 3.6L | H6 | N/A | |
| 2007 | Porsche | 911 | 3.8L | H6 | N/A | ||
| 2007 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2007 | Porsche | Boxster | 3.4L | H6 | N/A | ||
| 2007 | Porsche | Cayman | 2.7L | H6 | N/A | ||
| 2007 | Porsche | Cayman | 3.4L | H6 | N/A | ||
| 2006 | Porsche | 911 | 3.6L | H6 | N/A | ||
| 2006 | Porsche | 911 | 3.8L | H6 | N/A | ||
| 2006 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2006 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2006 | Porsche | Cayman | 3.4L | H6 | N/A | ||
| 2005 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | |
| 2005 | Porsche | 911 | Carrera 4S | 3.6L | H6 | N/A | |
| 2005 | Porsche | 911 | 3.8L | H6 | N/A | ||
| 2005 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2005 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2004 | Porsche | 911 | 40th Anniversary Edition | 3.6L | H6 | N/A | |
| 2004 | Porsche | 911 | Carrera | 3.6L | H6 | N/A | |
| 2004 | Porsche | 911 | Carrera 4 | 3.6L | H6 | N/A | |
| 2004 | Porsche | 911 | Carrera 4S | 3.6L | H6 | N/A | |
| 2004 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2004 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2003 | Porsche | 911 | 3.6L | H6 | N/A | ||
| 2003 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2003 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2002 | Porsche | 911 | 3.6L | H6 | N/A | ||
| 2002 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2002 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2001 | Porsche | 911 | 3.4L | H6 | N/A | ||
| 2001 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2001 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 2000 | Porsche | 911 | 3.4L | H6 | N/A | ||
| 2000 | Porsche | Boxster | 2.7L | H6 | N/A | ||
| 2000 | Porsche | Boxster | 3.2L | H6 | N/A | ||
| 1999 | Porsche | 911 | 3.4L | H6 | N/A | ||
| 1999 | Porsche | Boxster | 2.5L | H6 | N/A | ||
| 1998 | Porsche | Boxster | 2.5L | H6 | N/A | ||
| 1997 | Porsche | Boxster | 2.5L | H6 | N/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.