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Mahle GS33450 Fuel Injection Nozzle O-Ring KitOE Quality 60-Day Returns
Part #: GS33450

Mahle GS33450 Fuel Injection Nozzle O-Ring Kit

131 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Ford, Mazda, and Mercury, Escape, Fusion, Transit Connect, Mustang, Ranger, Tribute, Mariner, Milan, Explorer, Explorer Sport Trac, B4000, Mountaineer, F-150 Heritage, Explorer Sport, F-150, E-250 Econoline, E-350 Econoline Club Wagon, F-250, E-150 Econoline, E-150 Econoline Club Wagon, E-350 Econoline, and Navajo
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Not what you need? See all Fuel Injection Nozzle O-Ring Kit options

Fuel Injector Sealing for Ford and Mazda Applications

Mahle GS33450 is a fuel injection nozzle O-ring kit built for OEM-standard sealing performance. It uses fluoroelastomer O-rings to help maintain a secure seal at the injector interface on a wide range of Ford, Mazda, and Mercury vehicles.

Compatible with applications such as the Ford Escape, Fusion, Transit Connect, Mustang, Ranger, and Explorer, this kit supports fuel system service where injector sealing integrity matters. Mahle GS33450 is also a direct cross-reference for FEL-PRO ES 70599 and Ford FOPZ 9229-A.

Key Features

  • OEM Standard item grade for service-level replacement
  • Fluoroelastomer O-ring material for fuel system sealing
  • Designed for fuel injector nozzle sealing service
  • Mahle sealing product backed by OE-focused manufacturing expertise
  • Cross-references select FEL-PRO and Ford applications

Detailed Description

Mahle GS33450 is a fuel injector O-ring service kit for vehicles across multiple Ford, Mazda, and Mercury platforms. It is intended for injector sealing service on models including the 2009-2020 Ford Escape, 2010-2020 Ford Fusion, 2014-2020 Ford Transit Connect, 2007-2012 Ford Mustang, 2001-2011 Ford Ranger, and 1997-2010 Ford Explorer. Additional coverage includes the Mazda Tribute, Mazda B4000, Mercury Mariner, Mercury Milan, Mercury Mountaineer, and Mazda Navajo. The fluoroelastomer construction is selected for fuel-system sealing applications where resistance and dimensional stability are important.

This part number, GS33450, is a practical OE-style sealing solution for injector maintenance on Ford and Mazda engines. It is also listed as a cross-reference for FEL-PRO ES 70599 and Ford FOPZ 9229-A.

Common Issues Addressed

  • Fuel seepage around injector sealing points
  • Hard starting caused by injector seal leakage
  • Fuel odor from deteriorated injector O-rings
  • Rough idle related to compromised injector sealing
  • Service replacement for worn fuel injector nozzle seals

Installation Notes and Tips

Inspect injector bores and mating surfaces before installation. Clean all sealing areas thoroughly and replace damaged injector seals during fuel system service. Verify exact engine application by year, make, and model before ordering, since this kit covers multiple engine configurations across Ford, Mazda, and Mercury vehicles. Use proper fuel-system service procedures and confirm the injector seats fully after installation.

Quality Assurance

Mahle sealing products are used in OEM and technician service environments worldwide, and this kit is built to OEM-standard expectations for fuel injector sealing service.

BrandMahle
Part NumberGS33450
Additional Package ContentsContains (12) Fuel Injector O-Rings
Item GradeOEM Standard
O-Ring MaterialFluoroelastomer

This part fits 131 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2020FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2020FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2019FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2019FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2019FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2018FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2018FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2018FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2017FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2017FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2017FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2016FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2016FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2016FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2015FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2015FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2015FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2014FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2014FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2014FordTransit Connect2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2013FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2013FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2012FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2012FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2012FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011MazdaTribute2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011MercuryMariner2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011MercuryMilan2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordFusion2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010MazdaTribute2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010MercuryMariner2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010MercuryMilan2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009FordEscape2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009MazdaTribute2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009MercuryMariner2.5LL4N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007FordMustang5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004FordF-150 Heritage5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2004MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003FordExplorer Sport4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2003MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002FordExplorer Sport4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2002MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001FordExplorer Sport4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001FordExplorer Sport Trac4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001FordRanger4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2001MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2000FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2000FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2000MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2000MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999FordE-250 Econoline5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999FordE-350 Econoline Club Wagon5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999FordF-2505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1999MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordE-150 Econoline5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordE-150 Econoline Club Wagon5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordE-250 Econoline5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordE-350 Econoline5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordE-350 Econoline Club Wagon5.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordF-1505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998FordF-2505.4LV8N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1998MercuryMountaineer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1997FordExplorer4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1997MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1996MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1995MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1994MazdaB40004.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1994MazdaNavajo4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1993MazdaNavajo4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1992MazdaNavajo4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
1991MazdaNavajo4.0LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.

* 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:

ES 70599

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

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