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Rein CPE0048 Engine Coolant Reservoir CapOE Quality 60-Day Returns
Part #: CPE0048

Rein CPE0048 Engine Coolant Reservoir Cap

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17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Saab and Saturn, 9-3, 9-3X, and Astra
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Not what you need? See all Engine Coolant Reservoir Cap options

OE Quality Coolant Reservoir Cap

Rein CPE0048 is an OE-quality engine coolant reservoir cap made for direct replacement on select Saab and Saturn applications. It is built to maintain the cooling system pressure specified by the original manufacturer, helping the expansion tank operate as intended.

Compatible With 2003-2011 Saab 9-3, 2010-2011 Saab 9-3X, and 2008-2009 Saturn Astra applications.

Key Features

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

Detailed Description

The Rein CPE0048 expansion tank cap is designed to replace a worn, damaged, or pressure-weakening coolant reservoir cap with an OE-style part that matches the original fit and function. By helping the cooling system hold the correct pressure, this cap supports stable coolant operation in Saab 9-3, Saab 9-3X, and Saturn Astra models. This part cross-references URO 9202799 for the same application.

Common Issues This Part Can Address

  • Coolant loss from a cap that no longer seals properly
  • Cooling system pressure that does not meet OE specification
  • Expansion tank cap wear, cracking, or deterioration
  • Warning signs related to an aging coolant reservoir cap
  • Fitment problems caused by a non-OE replacement cap

Installation Notes and Tips

Verify the reservoir neck and sealing surface are clean before installation. Confirm the cap style and application match the vehicle before use, especially on 2003-2011 Saab 9-3, 2010-2011 Saab 9-3X, and 2008-2009 Saturn Astra models. After installation, inspect the cooling system for proper sealing and normal operating pressure.

Quality Assurance

Rein manufactures this cap to OE-quality standards and produces it as a direct replacement for the original part. It is engineered to meet or exceed the pressure requirements specified by the OE manufacturer. Warranty coverage is 24 months or 24,000 miles.

BrandRein
Part NumberCPE0048
Application TypeApplicationSpecific
ColorYellow
Container TypeBG
Country of OriginDE
Item Height1.0000
Item Length2.8000
Item Level GTIN888544084201
Item Qty1
Item UOMEA
Item Weight Unit UOMLB
Item Width2.5000
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Extended 240Rein OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life.
Product Desc Invoice 40Rein Expansion Tank Cap
Product Desc Long 80Rein OE Quality Expansion Tank Cap
Product Desc Short 20Expansion Tank Cap
Warranty Distance24000
Warranty Time24

This part fits 17 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2011Saab9-32.0LL4N/A
2011Saab9-3X2.0LL4N/A
2010Saab9-32.0LL4N/A
2010Saab9-3X2.0LL4N/A
2009Saab9-32.0LL4N/A
2009Saab9-32.8LV6N/A
2009SaturnAstra1.8LL4N/A
2008Saab9-32.0LL4N/A
2008Saab9-32.8LV6N/A
2008SaturnAstra1.8LL4N/A
2007Saab9-32.0LL4N/A
2007Saab9-32.8LV6N/A
2006Saab9-32.0LL4N/A
2006Saab9-32.8LV6N/A
2005Saab9-32.0LL4N/A
2004Saab9-32.0LL4N/A
2003Saab9-3Sedan2.0LL4N/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.