HomeAir and Fuel Delivery > Service KitsMahle GS33503 Fuel Injector O-Ring Kit
Part #: GS33503

Mahle GS33503 Fuel Injector O-Ring Kit

⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, C350, CLK350, E350, GLK350, ML350, ML450, R350, S400, and SLK350
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Reliable Fuel Injector O-Ring Kit for Mercedes-Benz Models

The Mahle GS33503 Fuel Injector O-Ring Kit provides a precise seal for fuel injectors in various Mercedes-Benz vehicles. Designed to meet OEM standards, this kit ensures proper fuel delivery and prevents leaks in models such as the C350, CLK350, E350, GLK350, ML350, ML450, R350, S400, and SLK350.

  • Contains 12 fluoroelastomer O-rings for durable sealing
  • Manufactured to OEM standard for consistent quality
  • Compatible with multiple Mercedes-Benz models including C350 and ML450
  • Part number GS33503 for easy identification and replacement
  • Designed specifically for fuel injector sealing applications

Durable Fluoroelastomer Material for Long-Lasting Performance

This fuel injector O-ring kit features fluoroelastomer material, known for its excellent resistance to heat, fuel, and chemical exposure. The material choice helps maintain a secure seal under demanding engine conditions, reducing the risk of fuel leaks and injector malfunctions. With a package quantity of 12, this kit provides enough O-rings for multiple injector seals or future maintenance needs.

Compatible Mercedes-Benz Models and Applications

The Mahle GS33503 kit is compatible with a range of Mercedes-Benz vehicles, including the C350, CLK350, E350, GLK350, ML350, ML450, R350, S400, and SLK350. This makes it a suitable choice for technicians and owners looking to maintain or repair fuel injector seals on these specific models.

Common Issues Addressed by This Fuel Injector O-Ring Kit

  • Fuel injector leaks causing poor engine performance
  • Fuel odor due to compromised injector seals
  • Engine misfires related to fuel delivery inconsistencies
  • Preventing fuel system contamination from external debris
  • Maintaining proper fuel pressure for efficient combustion

Installation Notes and Tips

When installing the Mahle GS33503 Fuel Injector O-Ring Kit, ensure that all old O-rings are completely removed and the injector ports are clean. Lubricate the new fluoroelastomer O-rings lightly with clean engine oil or recommended lubricant to prevent damage during installation. Verify proper seating of each O-ring to avoid leaks and ensure optimal fuel injector performance.

Quality Assurance and Warranty Information

Mahle manufactures this fuel injector O-ring kit to meet OEM standards, ensuring reliable fit and function. The use of high-grade fluoroelastomer material supports durability and resistance to harsh engine environments. While specific warranty details are not provided, Mahle products typically adhere to strict quality control processes to maintain consistent performance.

BrandMahle
Part NumberGS33503
Additional Package ContentsNone
Item GradeOem standard
O-Ring MaterialFluoroelastomer
Package Quantity12

This part fits 44 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mercedes-BenzS4003.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2012Mercedes-BenzGLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2012Mercedes-BenzS4003.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzGLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzML4503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzS4003.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2011Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzGLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzML4503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzS4003.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2010Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzCLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2009Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzCLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2008Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzCLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2007Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzC3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzCLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzE3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzML3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzR3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2006Mercedes-BenzSLK3503.5LV6N/AFuel Injector O-Ring Kit fits various engine models and sizes.
2005Mercedes-BenzSLK3503.5LV6N/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.