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Fuel injection systems are critical for optimal engine performance and fuel efficiency. Over time, seals like O-rings can degrade, leading to leaks and misfires. Selecting high-quality replacement O-rings and kits ensures your vehicle's fuel system operates reliably and prevents costly repairs.
GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the...
Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
217-1588Fuel Injector O-Ring Kit Part Number: 217-1588 Repacement For ACD# 217-1588 & GM #12587147
Compatible with select GM vehicle models and other brands that call for the 217-1588 o-ring kit (see description for compatible brands). Compatible with Silverado 1500, Sierra 1500, Suburban, Hummer H2 H3 2000-2009, and more. Check your vehicles service...
This 217-1588 Fuel Injector O-Ring Kit contains two o-ring sizes (one brown and one blue), 10 of each size, 20 seals total.Molded from OEM spec high flourine synthetic rubber for long lasting performance and durability.
This 217-1588 Fuel Injector O-Ring Kit Made of high quality fluorine rubber with excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance.
Manufactured to The OE specification for fit, form, and function
GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the...
Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Fitment:Fuel Injector Seal O-Ring Kit fits for Chevrolet Cruze Equinox Malibu DOHC
Replacement:Replace 12673-056 483640
Reliable Materials: Made with high-performance rubber, resistant to high temperatures, high pressures, and chemical corrosion, possessing excellent anti-aging properties and ensuring long-lasting leak prevention
Complete repair kit: Includes all O-rings required for fuel injectors, fully equipped and easy to install, avoiding omissions or incompatibility issues
Leak-proof performance: Effectively prevents fuel leakage, maintains normal fuel pressure and engine performance, extends the life of the fuel injection system, and reduces maintenance costs
Direct replacements - the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
Ideal solution - engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
Durable construction - designed and manufactured to strict specifications for reliable performance
Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Ensure fit - Input your vehicle into the garage tool and check Confirmed Fit bar at the top of the page. If there is an “i” in a blue circle, additional verification is needed. Please hover over the "i" to verify fitment notes match your vehicle.
Essential Maintenance: This fuel injection rail O-ring seal kit replaces worn or damaged sealing rings to prevent leaks and ensure peak engine performance.
Premium materials for a direct replacement with exact fit and reliable seals.
Years of Dependable Service: Designed to last the lifetime of the vehicle with high quality construction and components tested to withstand extreme under-hood temperatures and pressures.
Simple Installation: Replacing the old seals takes only minutes without any special tools - just remove the fuel rail, swap out the worn rings and reinstall.
Fits Multiple Models: This kit is compatible with popular GM and ACDelco vehicles from 1999-2007 including Chevrolet, GMC, Pontiac, and Oldsmobile models.
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Fuel Injection O-Rings & Kits
Understanding O-Ring Materials
Fuel injector O-rings are exposed to gasoline, ethanol, and extreme temperatures, necessitating durable materials. Common options include:
Nitrile (Buna-N): A cost-effective and widely used material, suitable for standard gasoline applications. It offers good resistance to fuel but may degrade faster with high ethanol blends.
Viton (FKM): Known for its superior resistance to heat, chemicals, and aggressive fuels, including higher ethanol concentrations (E85). It's a premium choice for longevity and demanding conditions.
EPDM: While less common for fuel injectors themselves, EPDM might be used in related fuel system components. It offers good resistance to heat and certain fluids but is generally not the primary choice for direct fuel contact in injectors.
Assessing Kit Contents
A comprehensive fuel injector O-ring kit should include all necessary seals for a complete replacement. Look for kits that provide:
Top and bottom O-rings for each injector.
Small seals or grommets for injector pintles or body connections.
Plastic installation tools or sleeves to prevent O-ring damage during installation.
Sometimes, filter baskets or upper seals may be included, depending on the specific injector design.
Vehicle Compatibility is Key
Fuel injector O-rings are not universal. It is crucial to match replacements precisely to your vehicle's make, model, year, and engine. Incorrect O-rings can lead to leaks, poor sealing, and potential engine damage.
Always consult your vehicle's service manual or use reliable online parts finders.
Verify the part numbers or specifications against your existing O-rings or OEM part numbers.
Quality and Brand Reputation
Opting for reputable brands known for manufacturing automotive parts can ensure better quality and reliability. While generic options may seem appealing, investing in well-regarded brands often translates to longer service life and fewer issues.
Research brands that specialize in fuel system components.
Read reviews from other consumers regarding durability and fitment.
Frequently Asked Questions
How often should fuel injector O-rings be replaced?
Fuel injector O-rings typically don't have a fixed replacement interval and are often replaced when they show signs of wear or during other fuel system maintenance. It's recommended to inspect them when replacing fuel pumps, fuel filters, or if you notice fuel leaks or rough idling.
Can I use any O-ring for my fuel injectors?
No, you cannot use just any O-ring. Fuel injector O-rings must be made of specific materials resistant to gasoline, ethanol, and heat. Using the wrong type can lead to leaks, poor sealing, and damage to your fuel system.
What are the symptoms of a bad fuel injector O-ring?
Symptoms of a failing O-ring include a strong smell of gasoline, rough engine idling, decreased fuel efficiency, misfires, and potentially visible fuel leaks around the injectors.
Are all fuel injector O-ring kits the same?
No, fuel injector O-ring kits vary significantly in the number and type of seals included, as well as the materials used. Always ensure the kit is specifically designed for your vehicle's make, model, and year.
How do I install new fuel injector O-rings?
Installation typically involves carefully removing the fuel rail, then the injectors. Old O-rings are pried off, and new ones are lubricated with a small amount of clean engine oil or appropriate lubricant before being pressed into place. It's essential to avoid damaging the new seals during installation.
What is the difference between Nitrile and Viton O-rings?
Nitrile O-rings are suitable for standard gasoline but may degrade with higher ethanol blends. Viton O-rings offer superior resistance to heat, chemicals, and aggressive fuels like E85, making them a more durable option for demanding applications.
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