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Mahle GS33435 Fuel Injector O-Ring Kit

Brand	Mahle GS33435
Additional Package Contents	None
Item Grade	Oem standard
O-Ring Material	Fluoroelastomer
Package Quantity	8
Fits	Chevrolet, Oldsmobile, Pontiac, Saturn, and Toyota · 40 vehicles

OEM standard. Built to match original equipment expectations.

Fluoroelastomer O-rings. Provide durable sealing performance.

Fuel injector O-ring kit for service and replacement.

Cross-references FEL-PRO ES 70599 and General Motors 12574292 for the same application. See all 2.

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Mahle Fuel Injector O-Ring Kit for OE-Style Sealing

The Mahle GS33435 fuel injector O-ring kit is built for OE-standard sealing performance in fuel system service. It uses fluoroelastomer O-rings, a material selected for fuel resistance and stable sealing in demanding engine environments.

Compatible with select Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra applications, as well as several Chevrolet, Pontiac, Oldsmobile, and Saturn models, this kit supports precise injector sealing during maintenance or repair. Mahle GS33435 is a direct-fit service part for technicians replacing worn injector seals.

Key Features

Fuel injector O-ring kit for service and repair work
OE Standard item grade for factory-style fit and sealing
Fluoroelastomer O-ring material for fuel system durability
Mahle sealing products are used by OEMs and technicians worldwide
Cross-reference: FEL-PRO ES 70599
Cross-reference: General Motors 12574292

Detailed Description

Mahle GS33435 is an OEM-standard fuel injector O-ring kit designed to restore sealing at the injector interface. The fluoroelastomer construction helps maintain a secure seal in fuel delivery systems, where resistance to fuel exposure and heat is important. For drivers and shops servicing a 2003-2009 Toyota 4Runner, 2005-2009 Toyota Tacoma, or 2005-2009 Toyota Tundra, this part supports accurate injector resealing without changing the original fuel system layout.

This part number, GS33435, also cross-references common service applications such as FEL-PRO ES 70599 and General Motors 12574292. It is a practical choice for injector seal replacement on vehicles including the Toyota FJ Cruiser, Chevrolet Classic, Pontiac Grand Am, Oldsmobile Alero, and Saturn L-series models listed in the fitment data.

What It Helps Address

Fuel odor caused by leaking injector seals
Hard starting related to injector seal leakage
Fuel seepage around injector bodies
Idle quality issues tied to vacuum or fuel leaks at the injector seal
Service-time replacement of worn injector O-rings during fuel system repair

Installation Notes and Tips

Clean the injector and rail sealing surfaces before installation. Inspect the injector body and fuel rail for wear, scoring, or contamination that could affect sealing. Use proper fuel-system service procedures and verify the injector seats fully after installation. Confirm vehicle-specific fitment for the exact engine application before ordering, especially on Toyota 4Runner, Tacoma, and Tundra models with multiple engine configurations.

Quality Assurance

Mahle sealing products are trusted by OEMs and technicians around the globe. GS33435 is an OE-standard service part built for fuel injector sealing applications and consistent repair results.

This part fits 40 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Position	Notes
2009	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2009	Toyota	FJ Cruiser	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2009	Toyota	Tacoma	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2009	Toyota	Tundra	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2008	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2008	Toyota	FJ Cruiser	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2008	Toyota	Tacoma	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2008	Toyota	Tundra	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2007	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2007	Toyota	FJ Cruiser	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2007	Toyota	Tacoma	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2007	Toyota	Tundra	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2006	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2006	Toyota	Tacoma	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2006	Toyota	Tundra	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2005	Chevrolet	Classic	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2005	Pontiac	Grand Am	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2005	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2005	Toyota	Tacoma	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2005	Toyota	Tundra	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2004	Chevrolet	Classic	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2004	Oldsmobile	Alero	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2004	Pontiac	Grand Am	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2004	Saturn	L300	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2004	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2003	Oldsmobile	Alero	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2003	Pontiac	Grand Am	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2003	Saturn	L200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2003	Saturn	LW200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2003	Toyota	4Runner	4.0L	V6	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Chevrolet	Cavalier	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Oldsmobile	Alero	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Pontiac	Grand Am	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Pontiac	Sunfire	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Saturn	L100	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Saturn	L200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2002	Saturn	LW200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2001	Saturn	L100	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2001	Saturn	L200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
2001	Saturn	LW200	2.2L	L4	N/A	Fuel Injector O-Ring Kit fits various engine models and sizes.
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Directly replaces or cross-references 2 part numbers

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

FEL-PRO — ES 70599General Motors — 12574292