HomeBelts and Cooling > Gaskets and Sealing SystemsMahle K31732 Engine Water Pump Backing Plate Gasket
Part #: K31732

Mahle K31732 Engine Water Pump Backing Plate Gasket

⚙️ 95 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru and Saab, Impreza, Forester, WRX, WRX STI, Legacy, Outback, 9-2X, and Baja
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Reliable Engine Water Pump Backing Plate Gasket for Saab and Subaru

The Mahle K31732 engine water pump backing plate gasket is designed to provide a durable seal for your vehicle's cooling system. Engineered with beaded steel material, this gasket meets OEM standards to ensure proper fit and function for select Saab and Subaru models.

Key Features of Mahle K31732 Gasket

  • Constructed from beaded steel for enhanced durability and sealing
  • OEM standard item grade ensures reliable performance
  • Compatible with multiple Saab and Subaru models including 9-2X, Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI
  • Designed specifically as an engine water pump backing plate gasket
  • Part number K31732 for precise identification and fitment

Durable Beaded Steel Gasket for Engine Cooling Systems

This engine water pump backing plate gasket from Mahle is manufactured using beaded steel, a material known for its strength and resistance to heat and pressure. The gasket maintains a secure seal between the water pump backing plate and engine block, preventing coolant leaks that can lead to overheating. Meeting OEM standards, the K31732 gasket ensures compatibility and longevity in demanding engine environments. It is engineered to fit a range of Saab and Subaru vehicles, including the 9-2X, Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI models.

Applications and Common Issues Addressed

  • Prevents coolant leaks from the water pump backing plate area
  • Helps maintain proper engine temperature by ensuring coolant system integrity
  • Reduces risk of engine overheating caused by gasket failure
  • Eliminates coolant contamination and potential engine damage
  • Restores factory-level sealing performance in Saab and Subaru cooling systems

Installation Notes and Tips

  • Ensure the mating surfaces are clean and free of old gasket material before installation
  • Use proper torque specifications for water pump backing plate bolts to avoid gasket damage
  • Inspect the water pump and surrounding components for wear or damage during replacement
  • Replace the gasket as part of routine maintenance or when coolant leaks are detected

Quality Assurance and Warranty Information

Mahle K31732 gasket is manufactured to meet OEM standards, providing consistent quality and fitment for Saab and Subaru vehicles. While specific warranty details may vary, Mahle products typically come with a limited warranty against defects in material and workmanship. Using this gasket helps maintain the integrity of your vehicle’s cooling system with reliable sealing performance.

BrandMahle
Part NumberK31732
Gasket MaterialBeaded Steel
Item GradeOEM Standard

This part fits 95 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014SubaruImpreza2.5LH4N/AEGR valve gasket.
2013SubaruForester2.5LH4N/AEGR valve gasket.
2013SubaruImpreza2.5LH4N/AEGR valve gasket.
2013SubaruWRX2.5LH4N/AEGR valve gasket.
2013SubaruWRX STI2.5LH4N/AEGR valve gasket.
2012SubaruForester2.5LH4N/AEGR valve gasket.
2012SubaruImpreza2.5LH4N/AEGR valve gasket.
2012SubaruLegacy2.5LH4N/AEGR valve gasket.
2011SubaruForester2.5LH4N/AEGR valve gasket.
2011SubaruImpreza2.5LH4N/AEGR valve gasket.
2011SubaruLegacy2.5LH4N/AEGR valve gasket.
2010SubaruForester2.5LH4N/AEGR valve gasket.
2010SubaruImpreza2.5LH4N/AEGR valve gasket.
2010SubaruLegacy2.5LH4N/AEGR valve gasket.
2010SubaruOutback2.5LH4N/AEGR valve gasket.
2009SubaruForester2.5LH4N/AEGR valve gasket.
2009SubaruImpreza2.5LH4N/AEGR valve gasket.
2009SubaruLegacy2.5LH4N/AEGR valve gasket.
2009SubaruOutback2.5LH4N/AEGR valve gasket.
2008SubaruForester2.5LH4N/AEGR valve gasket.
2008SubaruImpreza2.5LH4N/AEGR valve gasket.
2008SubaruLegacy2.5LH4N/AEGR valve gasket.
2008SubaruOutback2.5LH4N/AEGR valve gasket.
2007SubaruForester2.5LH4N/AEGR valve gasket.
2007SubaruImpreza2.5LH4N/AEGR valve gasket.
2007SubaruLegacy2.5LH4N/AEGR valve gasket.
2007SubaruOutback2.5LH4N/AEGR valve gasket.
2006Saab9-2X2.5LH4N/AEGR valve gasket.
2006SubaruBaja2.5LH4N/AEGR valve gasket.
2006SubaruForester2.5LH4N/AEGR valve gasket.
2006SubaruImpreza2.5LH4N/AEGR valve gasket.
2006SubaruLegacy2.5LH4N/AEGR valve gasket.
2006SubaruOutback2.5LH4N/AEGR valve gasket.
2005Saab9-2X2.5LH4N/AEGR valve gasket.
2005SubaruBaja2.5LH4N/AEGR valve gasket.
2005SubaruForester2.5LH4N/AEGR valve gasket.
2005SubaruImpreza2.5LH4N/AEGR valve gasket.
2005SubaruImpreza2.0LH4N/AEGR valve gasket.
2005SubaruLegacy2.5LH4N/AEGR valve gasket.
2005SubaruOutback2.5LH4N/AEGR valve gasket.
2004SubaruBaja2.5LH4N/AEGR valve gasket.
2004SubaruForester2.5LH4N/AEGR valve gasket.
2004SubaruImpreza2.5LH4N/AEGR valve gasket.
2004SubaruImpreza2.0LH4N/AEGR valve gasket.
2004SubaruLegacy2.5LH4N/AEGR valve gasket.
2004SubaruOutback2.5LH4N/AEGR valve gasket.
2003SubaruBaja2.5LH4N/AEGR valve gasket.
2003SubaruForester2.5LH4N/AEGR valve gasket.
2003SubaruImpreza2.5LH4N/AEGR valve gasket.
2003SubaruImpreza2.0LH4N/AEGR valve gasket.
2003SubaruLegacy2.5LH4N/AEGR valve gasket.
2003SubaruOutback2.5LH4N/AEGR valve gasket.
2002SubaruForester2.5LH4N/AEGR valve gasket.
2002SubaruImpreza2.5LH4N/AEGR valve gasket.
2002SubaruImpreza2.0LH4N/AEGR valve gasket.
2002SubaruLegacy2.5LH4N/AEGR valve gasket.
2002SubaruOutback2.5LH4N/AEGR valve gasket.
2001SubaruForester2.5LH4N/AEGR valve gasket.
2001SubaruImpreza2.5LH4N/AEGR valve gasket.
2001SubaruImpreza2.2LH4N/AEGR valve gasket.
2001SubaruLegacy2.5LH4N/AEGR valve gasket.
2001SubaruOutback2.5LH4N/AEGR valve gasket.
2000SubaruForester2.5LH4N/AEGR valve gasket.
2000SubaruImpreza2.5LH4N/AEGR valve gasket.
2000SubaruImpreza2.2LH4N/AEGR valve gasket.
2000SubaruLegacy2.5LH4N/AEGR valve gasket.
2000SubaruOutback2.5LH4N/AEGR valve gasket.
1999SubaruForester2.5LH4N/AEGR valve gasket.
1999SubaruImpreza2.5LH4N/AEGR valve gasket.
1999SubaruImpreza2.2LH4N/AEGR valve gasket.
1999SubaruLegacy2.5LH4N/AEGR valve gasket.
1999SubaruLegacy2.2LH4N/AEGR valve gasket.
1998SubaruForester2.5LH4N/AEGR valve gasket.
1998SubaruImpreza2.5LH4N/AEGR valve gasket.
1998SubaruImpreza2.2LH4N/AEGR valve gasket.
1998SubaruLegacy2.5LH4N/AEGR valve gasket.
1998SubaruLegacy2.2LH4N/AEGR valve gasket.
1997SubaruImpreza2.2LH4N/AEGR valve gasket.
1997SubaruImpreza1.8LH4N/AEGR valve gasket.
1997SubaruLegacy2.5LH4N/AEGR valve gasket.
1997SubaruLegacy2.2LH4N/AEGR valve gasket.
1996SubaruImpreza2.2LH4N/AEGR valve gasket.
1996SubaruImpreza1.8LH4N/AEGR valve gasket.
1996SubaruLegacy2.5LH4N/AEGR valve gasket.
1996SubaruLegacy2.2LH4N/AEGR valve gasket.
1995SubaruImpreza2.2LH4N/AEGR valve gasket.
1995SubaruImpreza1.8LH4N/AEGR valve gasket.
1995SubaruLegacy2.2LH4N/AEGR valve gasket.
1994SubaruImpreza1.8LH4N/AEGR valve gasket.
1994SubaruLegacy2.2LH4N/AEGR valve gasket.
1993SubaruImpreza1.8LH4N/AEGR valve gasket.
1993SubaruLegacy2.2LH4N/AEGR valve gasket.
1992SubaruLegacy2.2LH4N/AEGR valve gasket.
1991SubaruLegacy2.2LH4N/AEGR valve gasket.
1990SubaruLegacy2.2LH4N/AEGR valve gasket.

* 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:

03941100394165

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.