Description
Product Overview
The Fel‑Pro fuel injector O‑ring set (Model ES73113) is engineered to meet or exceed OEM specifications for a perfect fit on single‑injector applications. Crafted from high‑grade, machined rubber, each O‑ring provides a reliable seal that resists fuel degradation, heat, and pressure. The set includes one 0.8‑ounce O‑ring, dimensions 8 × 4 × 0.43 in, and is packaged in a compact, machined exterior case for easy storage.
Usage
Designed for both professional garages and home workshops, this O‑ring set is ideal for repairing fuel injection systems on cars, trucks, and light‑duty diesel engines. It performs flawlessly in high‑temperature environments and under the rigorous demands of daily driving. 
Why Choose Us
Fel‑Pro’s reputation for automotive sealing solutions ensures that every O‑ring is validated for fit, form, and function. Our product undergoes strict quality control, guaranteeing consistent hardness, dimensional accuracy, and resistance to fuel chemicals. With a 4.3‑star rating from verified customers, you can trust the durability and performance of this replacement part.
Key Features
- Meets or exceeds original equipment specifications for a perfect fit
- Application‑specific machined design ensures optimal sealing performance
- Engineered for the demanding fuel injection repair environment
- High‑quality rubber material resists fuel, heat, and pressure degradation
- Validated for fit, form, and function with a proven track record
FAQ
What vehicles are compatible with this O‑ring set?
The set is designed for single‑injector fuel systems commonly found in many passenger cars, light trucks, and small diesel engines. Refer to your vehicle’s service manual for exact part numbers.
Is any special tool required for installation?
Installation typically requires a basic O‑ring pick‑up tool and a clean work area. No additional specialty tools are necessary.
Can I use this O‑ring for a multi‑injector system?
This specific set is sized for single‑injector applications. For multi‑injector systems, consult the appropriate Fel‑Pro part number.
How does Fel‑Pro ensure the O‑ring’s quality?
Each O‑ring undergoes rigorous testing for hardness, dimensional tolerance, and chemical resistance, ensuring it meets OEM standards before leaving the factory.
What is the warranty on this product?
Fel‑Pro offers a limited warranty covering manufacturing defects for a period of one year from the date of purchase.





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