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Mahle GS33505A Fuel Injector Seal Kit
Reliable Fuel Injector Seal Kit for Chevrolet and GMC Trucks
The Mahle GS33505A Fuel Injector Seal Kit is designed to maintain optimal fuel system performance in select Chevrolet and GMC heavy-duty trucks. Engineered to meet OEM standards, this kit ensures a precise seal and reliable operation for fuel injectors in demanding applications.
- Includes three fluoroelastomer O-rings for durable sealing
- Comes with a fuel injector washer for proper fitment
- Meets OEM standard item grade for quality assurance
- No pintle cap or support ring required for installation
- Compatible with multiple Chevrolet and GMC 2500 and 3500 series models
Durable Components for Effective Fuel Injector Sealing
This fuel injector seal kit features fluoroelastomer O-rings, known for their resistance to heat, fuel, and chemical degradation. The inclusion of three O-rings ensures a complete seal around the injector, preventing leaks and maintaining fuel system integrity. The kit also includes a fuel injector washer to secure proper injector positioning. Designed without the need for pintle caps or support rings, the GS33505A simplifies installation while maintaining a secure fit.
Compatible Chevrolet and GMC Models
The Mahle GS33505A Fuel Injector Seal Kit is compatible with a range of Chevrolet and GMC heavy-duty trucks, including Express 2500, Express 3500, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, and Silverado 3500 Classic models. This ensures targeted fitment for reliable fuel injector maintenance.
Common Applications and Issues Addressed
- Prevents fuel leaks caused by worn or damaged injector seals
- Eliminates rough engine idle due to injector seal failure
- Helps restore proper fuel pressure and injector performance
- Reduces risk of fuel odor and potential engine misfires
- Supports maintenance during injector replacement or service
Installation Notes and Tips
When installing the Mahle GS33505A Fuel Injector Seal Kit, ensure all old seals and washers are fully removed and the injector ports are clean. Lubricate the new fluoroelastomer O-rings lightly with clean engine oil to facilitate installation and prevent damage. Since pintle caps and support rings are not required, focus on proper seating of the O-rings and washer for a secure fit. Follow vehicle-specific service manual instructions for torque specifications and injector handling.
Quality Assurance and Warranty
Mahle manufactures the GS33505A Fuel Injector Seal Kit to meet OEM standards, ensuring consistent quality and durability. The use of fluoroelastomer material provides resistance to heat and fuel exposure, extending service life. While specific warranty details may vary, Mahle products typically come with a limited warranty covering defects in materials and workmanship. Refer to Mahle’s official documentation for exact warranty terms.
| Brand | Mahle |
| Part Number | GS33505A |
| Additional Package Contents | Fuel Injector Washer |
| Item Grade | OEM Standard |
| O-Ring Material | Fluoroelastomer |
| Pintle Cap Included | Not Required |
| Support Ring Included | Not Required |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | GMC | Savana 2500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | GMC | Savana 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | GMC | Sierra 2500 HD Classic | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2007 | GMC | Sierra 3500 Classic | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | Chevrolet | Express 2500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | Chevrolet | Express 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | GMC | Savana 2500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | GMC | Savana 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2006 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2005 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2005 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2005 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2005 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Services 1 Fuel injector |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Services 1 Fuel injector |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.