HomeAir and Fuel Delivery > Gaskets and Sealing SystemsMahle GS33440 Fuel Injection Nozzle O-Ring
Part #: GS33440

Mahle GS33440 Fuel Injection Nozzle O-Ring

⚙️ 40 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.53Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, F-350 Super Duty, E-350 Econoline Club Wagon, E-350 Econoline, F-250 HD, F-350, and F-250
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Injection Nozzle O-Ring for Ford Vehicles

The Mahle GS33440 Fuel Injection Nozzle O-Ring kit provides essential sealing components designed for select Ford trucks and vans. Engineered to meet OEM standards, this kit ensures proper sealing and fuel system integrity for models like the Ford E-350 and F-250 series.

  • Includes (1) injector crush washer, (1) lower injector o-ring, and (3) fluoroelastomer o-rings per set
  • OEM standard item grade for dependable performance
  • Fluoroelastomer material offers high resistance to heat and fuel degradation
  • Package quantity of 6 sets for multiple repairs or maintenance
  • Compatible with Ford E-350 Club Wagon, Econoline, Super Duty, Excursion, F-250 HD, and F-350 Super Duty models

Product Details and Specifications

The Mahle GS33440 kit contains critical sealing components designed specifically for fuel injection nozzles. The fluoroelastomer O-rings provide excellent chemical resistance and durability under high temperature and pressure conditions typical in fuel injection systems. Each package includes three O-rings, one injector crush washer, and one lower injector O-ring, allowing for comprehensive sealing during injector servicing. This kit is supplied in a quantity of six, suitable for fleet maintenance or multiple vehicle repairs.

Compatible Ford Models and Applications

This fuel injection nozzle O-ring kit is compatible with a range of Ford vehicles, including the E-350 Club Wagon, E-350 Econoline, E-350 Super Duty, Excursion, F-250, F-250 HD, and F-350 Super Duty models. It is designed to maintain proper sealing in the fuel injection system, preventing leaks and ensuring optimal engine performance.

  • Prevents fuel leaks at the injector nozzle
  • Eliminates injector seal failures due to wear or damage
  • Helps maintain fuel system pressure and efficiency
  • Reduces risk of engine misfires related to injector seal issues
  • Supports proper injector installation and longevity

Installation Notes and Tips

When installing the Mahle GS33440 fuel injection nozzle O-ring kit, ensure all old seals and washers are fully removed and the injector nozzle surfaces are clean. Lubricate the new fluoroelastomer O-rings lightly with clean engine oil or recommended lubricant to prevent damage during installation. Follow vehicle-specific torque specifications for injector components to avoid over-tightening or leaks. This kit is intended for professional or experienced DIY installation.

Quality Assurance and Warranty

Mahle manufactures the GS33440 kit to OEM standards, ensuring consistent quality and fitment for the specified Ford models. The fluoroelastomer material is selected for durability and resistance to fuel and heat exposure. While no explicit warranty details are provided, Mahle products typically meet or exceed industry quality requirements for fuel system components.

BrandMahle
Part NumberGS33440
Additional Package ContentsContains (1) Injector Crush Washer, (1) Lower Injector O-Ring, (1) Middle Injector O-Ring, (1) Top Snap Ring, (1) Upper Cushion Seal, (1) Upper Injector O-Ring
Item GradeOEM Standard
O-Ring MaterialFluoroelastomer

This part fits 40 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003FordE-350 Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
2003FordE-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2003FordExcursion7.3LV8N/AServices 1 Injector; Fluoroelastomer
2003FordF-250 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2003FordF-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2002FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
2002FordE-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2002FordExcursion7.3LV8N/AServices 1 Injector; Fluoroelastomer
2002FordF-250 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2002FordF-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2001FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
2001FordE-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2001FordExcursion7.3LV8N/AServices 1 Injector; Fluoroelastomer
2001FordF-250 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2001FordF-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2000FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
2000FordE-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2000FordExcursion7.3LV8N/AServices 1 Injector; Fluoroelastomer
2000FordF-250 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
2000FordF-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
1999FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
1999FordE-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
1999FordF-250 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
1999FordF-350 Super Duty7.3LV8N/AServices 1 Injector; Fluoroelastomer
1998FordE-350 Econoline7.3LV8N/AServices 1 Injector; Fluoroelastomer
1998FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
1997FordE-350 Econoline7.3LV8N/AServices 1 Injector; Fluoroelastomer
1997FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
1997FordF-250 HD7.3LV8N/AServices 1 Injector; Fluoroelastomer
1997FordF-3507.3LV8N/AServices 1 Injector; Fluoroelastomer
1996FordE-350 Econoline7.3LV8N/AServices 1 Injector; Fluoroelastomer
1996FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
1996FordF-2507.3LV8N/AServices 1 Injector; Fluoroelastomer
1996FordF-3507.3LV8N/AServices 1 Injector; Fluoroelastomer
1995FordE-350 Econoline7.3LV8N/AServices 1 Injector; Fluoroelastomer
1995FordE-350 Econoline Club Wagon7.3LV8N/AServices 1 Injector; Fluoroelastomer
1995FordF-2507.3LV8N/AServices 1 Injector; Fluoroelastomer
1995FordF-3507.3LV8N/AServices 1 Injector; Fluoroelastomer
1994FordF-2507.3LV8N/AServices 1 Injector; Fluoroelastomer
1994FordF-3507.3LV8N/AServices 1 Injector; Fluoroelastomer

* 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:

ES73084

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