Rein CPE0028P Engine Coolant Reservoir Cap

OE Quality Expansion Tank Cap for Volvo Cooling Systems

The Rein CPE0028P engine coolant reservoir cap is an application-specific replacement for Volvo cooling systems that use an expansion tank cap. Built to match OE materials and tolerances, it helps maintain the correct system pressure for reliable coolant control. This Rein expansion tank cap is a direct-fit solution for a wide range of Volvo models, including XC90, S60, V70, XC70, and S80.

Key Features

• Manufactured to strict engineering standards for materials and tolerances.
• Direct-fit replacement for the original expansion tank cap.
• Meets or exceeds OE pressure specifications.
• Produced by an original equipment supplier.
• Application-specific design for confirmed Volvo fitment.

Detailed Product Overview

Rein CPE0028P is an OE-quality coolant reservoir cap designed to replace the factory cap on select Volvo vehicles. By maintaining the specified pressure in the cooling system, the cap helps the expansion tank operate as intended and supports stable coolant system performance. This part is a practical choice for drivers servicing a Volvo XC90, S60, V70, XC70, or S80, as well as other confirmed applications listed below. Cross-reference part numbers for this application include 1357390 and 9142682.

What This Part Helps Address

• Coolant loss caused by a cap that no longer seals properly.
• Pressure-related cooling system faults from a worn or weak cap.
• Steam or overflow issues tied to incorrect expansion tank pressure.
• Service replacement for cracked, aged, or damaged reservoir caps.
• Factory-spec restoration on Volvo cooling system maintenance jobs.

Installation Notes and Fitment

Install on the matching expansion tank neck and verify the cap seats fully before returning the vehicle to service. Inspect the reservoir, sealing surface, and surrounding cooling system components for wear or damage during replacement. Compatible with confirmed applications including Fits 2003-2014 Volvo XC90, N/A; Fits 2001-2009 Volvo S60, N/A; Fits 1998-2007 Volvo V70, N/A; Fits 2003-2007 Volvo XC70, N/A; Fits 1999-2006 Volvo S80, N/A; Fits 1998-2004 Volvo C70, N/A; Fits 2000-2004 Volvo S40, N/A; Fits 2000-2004 Volvo V40, N/A; Fits 1998-2000 Volvo S70, N/A; Fits 1997-1998 Volvo S90, N/A; Fits 1997-1998 Volvo V90, N/A; Fits 1993-1997 Volvo 850, N/A; Fits 1992-1997 Volvo 960, N/A; Fits 1991-1995 Volvo 940, N/A; Fits 1985-1992 Volvo 740, N/A; Fits 1987-1991 Volvo 780, N/A; Fits 1985-1990 Volvo 760, N/A; Fits 1985 Volvo 745, N/A.

Quality Assurance

Rein designs this expansion tank cap to match or exceed the OE materials used in the original part and to meet the pressure requirements specified by the vehicle manufacturer. It is produced to high manufacturing standards for long service life and consistent cooling system sealing.