OE Quality
60-Day Returns

Rein CTH0023 Engine Coolant Thermostat Housing Assembly
Reliable Thermostat Housing for Mercedes-Benz C230
The Rein Engine Coolant Thermostat Housing Assembly (Part Number CTH0023) is designed specifically for the Mercedes-Benz C230. This direct replacement part ensures a precise fit and reliable performance, matching original equipment specifications to maintain your vehicle's cooling system integrity.
Key Features of Rein Thermostat Housing CTH0023
- Direct replacement for easy installation without modifications
- Meets original equipment design specifications for compatibility
- Manufactured to strict engineering standards for durability
- Produced using premium raw materials for long-lasting performance
- Compact dimensions: 5.25" length, 3.25" width and height, weighing 0.205 lbs
Detailed Product Description
The Rein thermostat housing assembly is engineered to provide a seamless fit for the Mercedes-Benz C230 cooling system. Constructed with high-quality materials, this housing meets stringent engineering standards to ensure consistent coolant flow and temperature regulation. The part number CTH0023 corresponds to an application-specific design, making it a reliable replacement that matches the original equipment manufacturer’s specifications. Its precise dimensions and build quality help maintain optimal engine temperature and prevent overheating issues.
Common Applications and Issues Addressed
- Replacement of cracked or leaking thermostat housing
- Resolving coolant leaks that cause engine overheating
- Restoring proper coolant flow and temperature regulation
- Fixing thermostat housing failures due to wear or corrosion
- Maintaining engine cooling system efficiency in Mercedes-Benz C230 models
Installation Notes and Tips
This thermostat housing assembly is designed for direct replacement and does not include installation hardware or instructions. It is recommended to consult a professional mechanic or refer to the vehicle’s service manual for proper installation procedures. Ensure all gasket surfaces are clean and free of debris before installation to prevent leaks. Verify compatibility with your Mercedes-Benz C230 model year before purchase.
Quality Assurance and Warranty
Rein thermostat housings are manufactured to meet original equipment standards, ensuring reliable performance and durability. While installation hardware is not included, the part is produced with premium raw materials and engineered to strict quality controls. Please refer to Rein’s warranty policy for specific coverage details related to this thermostat housing assembly.
| Brand | Rein |
| Part Number | CTH0023 |
| Application Type | ApplicationSpecific |
| Container Type | BG |
| Country of Origin | CN |
| Installation Instructions Included | No |
| Is the Installation Hardware Included | No |
| Item Height | 3.2500 |
| Item Length | 5.2500 |
| Item Level GTIN | 888544065606 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.2050 |
| Item Weight Unit UOM | LB |
| Item Width | 3.2500 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Product Desc Extended 240 | Rein OE Quality thermostat housings are designed to be direct replacements for OE thermostat housing. Rein thermostat housings are manufactured with high-quality plastic to ensure durability and long service lif |
| Product Desc Invoice 40 | Rein Thermostat Housing |
| Product Desc Long 80 | Rein OE Quality Thermostat Housing |
| Product Desc Short 20 | Thermostat Housing |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mercedes-Benz | C230 | 1.8L | L4 | N/A | |
| 2004 | Mercedes-Benz | C230 | 1.8L | L4 | N/A | |
| 2003 | Mercedes-Benz | C230 | 1.8L | L4 | 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.