Description
Product Overview
The HiSport Fuel Injector O‑Ring Kit is a universal repair solution designed for a wide range of gasoline and diesel injectors. Each kit contains 50 precision‑molded Viton O‑rings measuring 7.52 mm in outer diameter and 3.53 mm in thickness. Viton offers exceptional resistance to heat, fuel, and chemicals, ensuring a durable seal even under the demanding conditions of modern engines. The kit is available in four colors—red, black, blue, and green—to help users quickly identify the correct size during installation.
Usage
This kit is intended for automotive technicians, hobbyist mechanics, and anyone performing injector maintenance or rebuilds. It is suitable for use in passenger cars, light trucks, and performance vehicles where injector leakage can cause rough idle, misfires, or reduced fuel efficiency. Install the O‑rings during routine injector service, after fuel system cleaning, or when replacing worn seals. 
Why Choose Us
HiSport commits to rigorous quality control, testing every O‑ring for dimensional accuracy and material integrity before packaging. The Viton composition meets industry standards for temperature resistance up to 200 °C, providing confidence that the seal will hold under high‑load conditions. Our kits are packaged in a sturdy, resealable bag to protect the rings from contamination, and we back each purchase with responsive customer support available within 24 hours.
Key Features
- Universal fit: compatible with most injector models due to standard 7.52 mm size
- Premium Viton material resists fuel, oil, and high temperatures
- Pack of 50 rings ensures you have enough for multiple repairs
- Color‑coded rings simplify identification during service
- Rigorous 100% testing guarantees consistent performance
FAQ
What vehicles are compatible with this O‑ring kit?
The 7.52 mm Viton O‑ring is a standard size used in many domestic and import cars, light trucks, and some performance engines. Check your injector service manual for exact dimensions.
Can I reuse the O‑rings after removal?
Viton O‑rings can be reused if they are free of cuts, cracks, or fuel residue. However, for optimal reliability we recommend installing a new ring from the kit.
How do I know which color to choose?
All colors are functionally identical; they are provided for visual convenience. Select any color that matches your inventory or personal preference.
Is special tooling required for installation?
No special tools are needed. A standard O‑ring pick or a small flat‑head screwdriver can be used to seat the ring without damage.
What is the warranty on this product?
HiSport offers a one‑year limited warranty against manufacturing defects. Contact our support team with your order details for assistance.





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