HomeBelts and Cooling > Thermostat and HousingRein CTA0020 Engine Coolant Thermostat Housing Assembly
Part #: CTA0020

Rein CTA0020 Engine Coolant Thermostat Housing Assembly

⚙️ 67 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, S400, C250, C300, GLK350, C350, E350, ML350, ML450, R350, SLK300, SLK350, C230, CLK350, E300, SLK280, C280, and E280
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Overview of Rein Engine Coolant Thermostat Housing Assembly

The Rein CTA0020 thermostat housing assembly is engineered to meet original equipment specifications, ensuring reliable performance for Mercedes-Benz vehicles. Designed specifically for models such as the C230, C250, C280, C300, C350, CLK350, E280, E300, E350, GLK350, ML350, ML450, R350, S400, SLK280, SLK300, and SLK350, this assembly maintains optimal engine temperature control.

  • Matches original equipment design specifications for precise fit and function
  • Includes all necessary gaskets and seals for complete installation
  • Manufactured to strict engineering standards for durability and reliability
  • Thermostat set to 100 degrees Celsius to maintain optimal engine running temperature
  • Application-specific design tailored for select Mercedes-Benz models

Product Details and Specifications

The Rein CTA0020 thermostat housing assembly is a direct replacement part manufactured to meet stringent quality standards. It features a thermostat calibrated to open at 100 degrees Celsius, which helps regulate coolant flow and maintain consistent engine temperature. The assembly comes complete with all required gaskets and seals, simplifying installation and reducing the risk of leaks. With dimensions of approximately 6.5 inches in length, 4.25 inches in width, and 3.5 inches in height, and weighing 0.815 pounds, this component is designed for durability and precise fitment.

Compatible Mercedes-Benz Models

This thermostat housing assembly is compatible with a range of Mercedes-Benz vehicles, including:

  • C230, C250, C280, C300, C350
  • CLK350
  • E280, E300, E350
  • GLK350
  • ML350, ML450
  • R350
  • S400
  • SLK280, SLK300, SLK350

Common Issues Addressed by This Thermostat Assembly

  • Engine overheating due to thermostat failure
  • Coolant leaks from damaged or worn housing seals
  • Inconsistent engine temperature regulation affecting performance
  • Reduced fuel efficiency caused by improper coolant flow
  • Check engine light triggered by thermostat-related faults

Installation Notes and Tips

Installation of the Rein CTA0020 thermostat housing assembly should be performed by a qualified technician familiar with Mercedes-Benz cooling systems. Ensure the engine is cool before beginning work to avoid injury. Replace all gaskets and seals included with the assembly to prevent leaks. Verify proper torque specifications during installation to maintain a secure fit. After installation, bleed the cooling system to remove air pockets and check for leaks during initial operation.

Quality Assurance and Warranty

Rein thermostat assemblies are manufactured under strict engineering standards to ensure consistent quality and performance. Each unit is designed to meet or exceed original equipment specifications. While specific warranty details are not provided here, Rein products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandRein
Part NumberCTA0020
Application TypeApplicationSpecific
Container TypeBX
Country of OriginCN
Item Height3.5000
Item Length6.5000
Item Level GTIN843266081983
Item Qty1
Item UOMEA
Item Weight0.8150
Item Weight Unit UOMLB
Item Width4.2500
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Extended 240Rein OE quality thermostat assemblies are designed to be direct replacements for OE thermostat assemblies. Rein thermostats are manufactured with high-quality plastic or metal construction to ensure durability and long service life.
Product Desc Invoice 40Rein Thermostat Assembly
Product Desc Long 80Rein OE Quality Thermostat Assembly
Product Desc Short 20Thermostat Assembly

This part fits 67 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mercedes-BenzS4003.5LV6N/A
2012Mercedes-BenzC2502.5LV6N/A
2012Mercedes-BenzC3003.0LV6N/A
2012Mercedes-BenzGLK3503.5LV6N/A
2012Mercedes-BenzS4003.5LV6N/A
2011Mercedes-BenzC2502.5LV6N/A
2011Mercedes-BenzC3003.0LV6N/A
2011Mercedes-BenzC3503.5LV6N/A
2011Mercedes-BenzE3503.5LV6N/A
2011Mercedes-BenzGLK3503.5LV6N/A
2011Mercedes-BenzML3503.5LV6N/A
2011Mercedes-BenzML4503.5LV6N/A
2011Mercedes-BenzR3503.5LV6N/A
2011Mercedes-BenzS4003.5LV6N/A
2011Mercedes-BenzSLK3003.0LV6N/A
2011Mercedes-BenzSLK3503.5LV6N/A
2010Mercedes-BenzC2502.5LV6N/A
2010Mercedes-BenzC3003.0LV6N/A
2010Mercedes-BenzC3503.5LV6N/A
2010Mercedes-BenzE3503.5LV6N/A
2010Mercedes-BenzGLK3503.5LV6N/A
2010Mercedes-BenzML3503.5LV6N/A
2010Mercedes-BenzML4503.5LV6N/A
2010Mercedes-BenzR3503.5LV6N/A
2010Mercedes-BenzS4003.5LV6N/A
2010Mercedes-BenzSLK3003.0LV6N/A
2010Mercedes-BenzSLK3503.5LV6N/A
2009Mercedes-BenzC2302.5LV6N/A
2009Mercedes-BenzC3003.0LV6N/A
2009Mercedes-BenzC3503.5LV6N/A
2009Mercedes-BenzCLK3503.5LV6N/A
2009Mercedes-BenzE3003.0LV6N/A
2009Mercedes-BenzE3503.5LV6N/A
2009Mercedes-BenzML3503.5LV6N/A
2009Mercedes-BenzR3503.5LV6N/A
2009Mercedes-BenzSLK3003.0LV6N/A
2009Mercedes-BenzSLK3503.5LV6N/A
2008Mercedes-BenzC2302.5LV6N/A
2008Mercedes-BenzC3003.0LV6N/A
2008Mercedes-BenzC3503.5LV6N/A
2008Mercedes-BenzCLK3503.5LV6N/A
2008Mercedes-BenzE3003.0LV6N/A
2008Mercedes-BenzE3503.5LV6N/A
2008Mercedes-BenzML3503.5LV6N/A
2008Mercedes-BenzR3503.5LV6N/A
2008Mercedes-BenzSLK2803.0LV6N/A
2008Mercedes-BenzSLK3503.5LV6N/A
2007Mercedes-BenzC2302.5LV6N/A
2007Mercedes-BenzC2803.0LV6N/A
2007Mercedes-BenzC3503.5LV6N/A
2007Mercedes-BenzCLK3503.5LV6N/A
2007Mercedes-BenzE2803.0LV6N/A
2007Mercedes-BenzE3503.5LV6N/A
2007Mercedes-BenzML3503.5LV6N/A
2007Mercedes-BenzR3503.5LV6N/A
2007Mercedes-BenzSLK2803.0LV6N/A
2007Mercedes-BenzSLK3503.5LV6N/A
2006Mercedes-BenzC2302.5LV6N/AFrom 3/2/05
2006Mercedes-BenzC2803.0LV6N/AFrom 3/2/05
2006Mercedes-BenzC3503.5LV6N/AFrom 3/2/05
2006Mercedes-BenzCLK3503.5LV6N/AFrom 3/2/05
2006Mercedes-BenzE3503.5LV6N/AFrom 3/2/05
2006Mercedes-BenzML3503.5LV6N/AFrom 3/2/05
2006Mercedes-BenzR3503.5LV6N/AFrom 3/2/05
2006Mercedes-BenzSLK2803.0LV6N/AFrom 3/2/05
2006Mercedes-BenzSLK3503.5LV6N/A
2005Mercedes-BenzSLK3503.5LV6N/AFrom 3/2/05

* 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.