OE Quality
60-Day Returns

Rein CPE0040 Engine Coolant Reservoir Cap
Reliable Engine Coolant Reservoir Cap for Dodge and Mercedes-Benz Sprinter
The Rein CPE0040 engine coolant reservoir cap is designed specifically for Dodge and Mercedes-Benz Sprinter models, including Sprinter 2500, Sprinter 3500, and Sprinter 3500XD. This direct-fit replacement part helps maintain the integrity of your vehicle's cooling system by preventing contamination and moisture ingress.
Key Features of Rein CPE0040 Engine Coolant Reservoir Cap
- Prevents moisture and debris from entering and contaminating the coolant reservoir
- Direct fit for Dodge and Mercedes-Benz Sprinter models
- Manufactured to strict engineering standards and specifications
- Produced by an original equipment supplier ensuring quality and compatibility
- Durable black finish for long-lasting performance
Detailed Product Description
The Rein CPE0040 engine coolant reservoir cap is engineered to meet the exact specifications required by Dodge and Mercedes-Benz Sprinter vehicles. With precise dimensions of 2.85 inches in length and width and 1.5 inches in height, this cap ensures a secure seal on the coolant reservoir. Manufactured in Germany, it adheres to rigorous quality standards, providing reliable protection against external contaminants that can compromise the cooling system. The cap’s robust construction and original equipment supplier origin guarantee a dependable fit and function.
Common Applications and Issues Addressed
- Prevents coolant contamination from dirt and moisture
- Maintains proper pressure within the coolant reservoir
- Helps avoid coolant leaks and overheating issues
- Replaces worn or damaged reservoir caps to restore system integrity
- Ensures optimal cooling system performance in Sprinter 2500, 3500, and 3500XD models
Installation Notes and Tips
- Ensure the engine is cool before removing the old reservoir cap
- Clean the reservoir neck to remove any debris before installation
- Install the Rein CPE0040 cap by pressing down firmly until it clicks into place
- Verify a secure fit to prevent leaks and maintain system pressure
- Regularly inspect the cap during routine maintenance for wear or damage
Quality Assurance and Warranty Information
Produced by an original equipment supplier, the Rein CPE0040 engine coolant reservoir cap is manufactured under strict engineering standards to ensure consistent quality and performance. This part is backed by Rein’s commitment to durability and reliability, providing peace of mind for your Dodge and Mercedes-Benz Sprinter vehicle’s cooling system maintenance.
| Brand | Rein |
| Part Number | CPE0040 |
| Application Type | ApplicationSpecific |
| Color | Black |
| Container Type | BG |
| Country of Origin | DE |
| Item Height | 1.5000 |
| Item Length | 2.8500 |
| Item Level GTIN | 888544080364 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.0800 |
| Item Weight Unit UOM | LB |
| Item Width | 2.8500 |
| Link to Manufacturer Page | www.reinautomotive.com |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2018 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2018 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | DIESEL | N/A | |
| 2017 | Mercedes-Benz | Sprinter | 2.1L | L4 | DIESEL | N/A | |
| 2017 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | DIESEL | N/A | |
| 2017 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2017 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | DIESEL | N/A | |
| 2017 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2016 | Mercedes-Benz | Sprinter | 2.1L | L4 | DIESEL | N/A | |
| 2016 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | DIESEL | N/A | |
| 2016 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2016 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | DIESEL | N/A | |
| 2016 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2015 | Mercedes-Benz | Sprinter | 2.1L | L4 | DIESEL | N/A | |
| 2015 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | DIESEL | N/A | |
| 2015 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2015 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | DIESEL | N/A | |
| 2015 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2014 | Mercedes-Benz | Sprinter | 2.1L | L4 | DIESEL | N/A | |
| 2014 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | DIESEL | N/A | |
| 2014 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2014 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | DIESEL | N/A | |
| 2014 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2013 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2013 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2012 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2012 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2011 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2011 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2010 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2010 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2009 | Dodge | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2009 | Dodge | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2008 | Dodge | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2008 | Dodge | Sprinter 3500 | 3.0L | V6 | DIESEL | N/A | |
| 2007 | Dodge | Sprinter 2500 | 3.0L | V6 | DIESEL | N/A | |
| 2007 | Dodge | Sprinter 3500 | 3.0L | V6 | DIESEL | 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.