Calorstat RC0167 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap for Sprinter

The Calorstat RC0167 is a pressurized engine coolant reservoir cap built with plastic and rubber for a secure seal on the cooling system. It is specified at 20 PSI opening pressure and uses a cam-on attachment type for the listed Mercedes-Benz Sprinter and Dodge Sprinter applications.

Compatible with 2007-2018 Mercedes-Benz Sprinter 2500 and Sprinter 3500 applications, plus 2018 Mercedes-Benz Sprinter 3500XD and 2007-2009 Dodge Sprinter 2500 and Sprinter 3500 models, this cap is a direct-fit cooling system service part. The RC0167 is also referenced by part number RC0167 for easy catalog matching.

• Engine coolant reservoir cap with pressurized design
• 20 PSI opening pressure, equal to 1.4 bar
• Plastic and rubber construction for sealing performance
• Cam-on attachment type
• Standard cap style with no pressure release lever
• Cross-references Mopar 68004911AA for the same application

Detailed Product Information

Calorstat RC0167 is intended for cooling systems that require a 20 PSI pressurized reservoir cap. By maintaining the specified pressure rating, the cap helps the cooling system hold pressure as designed and supports proper coolant expansion control in the reservoir. This part number RC0167 is listed for Mercedes-Benz Sprinter 2500, Mercedes-Benz Sprinter 3500, Mercedes-Benz Sprinter 3500XD, and Dodge Sprinter 2500 and 3500 applications shown in the fitment data.

Common Cooling System Issues

• Loss of coolant system pressure from a worn or damaged cap
• Coolant seepage around the reservoir cap seal
• Incorrect pressure retention in Sprinter cooling system service
• Cap fitment problems caused by a failed cam-on seal
• Cooling system maintenance on Mercedes-Benz Sprinter and Dodge Sprinter models

Installation Notes and Tips

Verify the reservoir neck style and pressure specification before installation. This cap uses a cam-on attachment and is listed with a 20 PSI opening pressure, so matching the OE-style requirement is important for proper sealing. Inspect the reservoir sealing surface for cracks, debris, or hardened residue before installing RC0167.

Quality Assurance

Calorstat supplies cooling system service parts with application-specific pressure ratings and material selection suited to the listed vehicle fitment. This RC0167 coolant reservoir cap is cataloged with direct interchange references, including Mopar 68004911AA, to support accurate parts matching.