Mahle GS33661 Fuel Injection Nozzle O-Ring
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Mahle

Mahle GS33661 Fuel Injection Nozzle O-Ring

Brand Mahle GS33661
Item Grade OEM Standard
O-Ring Material Rubber
Fits Buick, Chevrolet, Pontiac, and Saturn · 49 vehicles

OEM standard. Rubber O-rings deliver dependable sealing performance.

Fuel injection nozzle O-rings help maintain a tight seal in the fuel system.

MAHLE sealing products are trusted by OEMs and technicians worldwide.

Cross-references FEL-PRO ES73067 and General Motors 19169305 for the same application. See all 2.

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Mahle GS33661 Fuel Injector O-Ring

Mahle GS33661 is an OEM Standard fuel injection nozzle O-ring made with rubber for dependable sealing in fuel system service. It is built for direct replacement use on a range of GM vehicles, including Chevrolet Impala, Malibu, and Uplander applications.

Key Features

  • OEM Standard item grade for service-level replacement
  • Rubber O-ring material for fuel injector sealing applications
  • Engineered for fuel injection nozzle and injector sealing points
  • Mahle sealing product backed by OEM and technician trust
  • Part number GS33661 for accurate catalog matching

Product Details

Mahle GS33661 is a fuel injector O-ring designed for sealing the injector-to-fuel rail or injector-to-intake interface where a precise seal is required. Mahle gaskets and sealing components are used by OEMs and technicians worldwide, and this part follows that same OE-standard approach for service replacement. This part cross-references FEL-PRO ES73067 and General Motors 19169305 for the same application. Common fitment includes Fits 2006-2011 Chevrolet Impala, N/A; Fits 2006-2010 Chevrolet Malibu, N/A; and Fits 2006-2009 Chevrolet Uplander, N/A.

Common Uses

  • Fuel odor caused by a worn injector seal
  • Visible fuel seepage around the injector area
  • Hard starting related to injector sealing loss
  • Rough idle from vacuum or fuel leak at the injector seal
  • Service replacement during injector or intake maintenance

Installation Notes

Inspect the injector bore and sealing surfaces before installation. Clean all mating areas thoroughly and replace damaged or flattened seals during service. Verify the injector and rail are seated correctly after installation, then check for leaks with the engine running and after shutdown. Confirm application details against the vehicle’s engine configuration before ordering, especially on Chevrolet Impala, Malibu, and Pontiac G6 fitments.

Quality Assurance

Mahle sealing products are built to OEM-standard expectations and are trusted in professional repair environments. GS33661 is intended for accurate fuel system sealing in supported applications, including Fits 2007-2008 Saturn Aura, N/A and Fits 2008-2010 Saturn Vue, N/A.

This part fits 49 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010BuickLucerne3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010ChevroletMalibu3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010PontiacG63.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010SaturnVue3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009BuickLucerne3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletMalibu3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009ChevroletUplander3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009PontiacG63.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009PontiacG63.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009PontiacMontana3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009SaturnVue3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletMalibu3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008ChevroletUplander3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008PontiacG63.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008PontiacG63.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008PontiacMontana3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008SaturnAura3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008SaturnVue3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007BuickTerraza3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletMalibu3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletMalibu3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletMonte Carlo3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007ChevroletUplander3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007PontiacG63.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007PontiacG63.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007PontiacMontana3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007SaturnAura3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007SaturnRelay3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006BuickTerraza3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletImpala3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletImpala3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletMalibu3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletMonte Carlo3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletMonte Carlo3.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006ChevroletUplander3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006PontiacG63.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006PontiacMontana3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006SaturnRelay3.9LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — ES73067General Motors — 19169305