Rein EPT0133 Engine Coolant Reservoir

OE Quality Engine Coolant Reservoir

The Rein EPT0133 engine coolant reservoir is an OE-quality expansion tank built for direct replacement on select Mercedes-Benz applications. It is produced from virgin plastic to help resist heat-cycle cracking and maintain reliable coolant system performance.

Compatible with 2013-2019 Mercedes-Benz B250, 2014-2019 Mercedes-Benz CLA250, 2014-2019 Mercedes-Benz CLA45 AMG, 2015-2019 Mercedes-Benz GLA45 AMG, and 2015-2020 Mercedes-Benz GLA250. Rein EPT0133 is engineered to match original fit, material quality, and dimensional tolerances for a straightforward repair.

Key Features

• Produced from virgin plastic meeting or exceeding OE material specifications
• Resists cracking and wear caused by repeated heat cycles
• Direct-fit design supports easier installation
• Manufactured to strict engineering standards for materials and tolerances
• OE-quality expansion tank for Mercedes-Benz cooling system service

Detailed Description

Rein Automotive EPT0133 is an engine coolant reservoir designed for vehicles that require a precise OE-style expansion tank replacement. The reservoir is made from virgin plastic with no regrind content, helping improve durability and reduce the risk of premature cracking from thermal cycling. For drivers searching for a Mercedes-Benz GLA250 coolant reservoir, a Mercedes-Benz CLA250 expansion tank, or a replacement coolant reservoir for Mercedes-Benz B250 models, this part provides a direct-fit service solution.

This part cross-references URO 2465000049 for the same application.

Common Problems This Part Can Address

• Coolant loss caused by a cracked expansion tank
• Visible plastic fatigue from repeated engine heat cycles
• Reservoir leaks at the tank body from age-related wear
• Poor fitment from warped or damaged original components
• Cooling system service needs on Mercedes-Benz B250, CLA250, CLA45 AMG, GLA45 AMG, and GLA250 models

Installation Notes and Tips

Verify the part number EPT0133 against the original reservoir before installation. Inspect hoses, caps, and mounting points for wear, and transfer only the components specified by the vehicle service procedure. After installation, refill and bleed the cooling system according to manufacturer specifications to help prevent air pockets.

Quality Assurance

Rein designs OE-quality cooling system components to meet original equipment expectations for fit and material performance. EPT0133 is manufactured to strict standards in materials and tolerances for dependable service in the specified Mercedes-Benz applications.