351-Piece Silicone O-Ring Assortment – 10 Sizes for Cars, Pipes & More

Stop leaks before they start! This comprehensive 351-piece silicone O-ring set gives you 10 different sizes in one convenient kit, so you're always prepared for automotive repairs, plumbing fixes, hydraulic systems, and household appliance maintenance. Made in Mainland China from premium silicone, these rings deliver a tight, reliable seal every time.

Why Choose This O-Ring Set?

10 Size Variety: One kit covers a wide range of sealing applications — from small household fittings to larger automotive and industrial pipe connections. No more hunting for the right size!
Oil & High-Temperature Resistant: Engineered from high-quality silicone, these O-rings withstand extreme heat and oil exposure, making them ideal for engine bays, hydraulic systems, and fuel lines.
Superior Sealing Performance: The highly elastic silicone conforms tightly to mating surfaces, effectively blocking liquid and gas leaks to keep your systems running safely and efficiently.
Corrosion & Aging Resistant: Built to last, these rings resist chemical corrosion and material degradation, reducing how often you need replacements and saving you money long-term.
Wide Application Range: Perfect for automotive repair, industrial pipelines, plumbing, and home appliances — a true must-have for any toolbox or workshop.
CE Certified: Meets CE certification standards for quality assurance and safety compliance.

Product Specifications

Material: High-quality silicone
Number of Pieces: 351 pcs per set
Number of Sizes: 10 different sizes
Certification: CE
Model: 351PCS
Country of Origin: Made in Mainland China

What's in the Box?

1 Set = 351 pcs of silicone O-rings across 10 sizes, neatly packaged for easy storage and access.

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Safety & Standards Reference

For guidance on safe use of sealing materials in consumer and industrial settings, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What sizes are included in this silicone O-ring set?

A: The set includes 10 different sizes spread across 351 total pieces, giving you a versatile range for automotive, plumbing, hydraulic, and household sealing applications. This variety ensures you'll have the right size on hand for most common repair jobs.

Q: Are these silicone O-rings suitable for use in car engines and hydraulic systems?

A: Yes! These O-rings are made from high-quality silicone that offers excellent oil resistance and can withstand high-temperature environments, making them well-suited for automotive engines, hydraulic systems, and fuel lines.

Q: How do silicone O-rings compare to standard rubber O-rings?

A: Silicone O-rings generally outperform standard rubber O-rings in terms of temperature range, flexibility, and resistance to aging and corrosion. They maintain their elasticity over a wider range of temperatures and last longer in demanding conditions, reducing the need for frequent replacements.

Q: Can I use these O-rings for household plumbing repairs?

A: Absolutely. The 10-size assortment makes this kit ideal for common household plumbing fixes such as sealing faucet connections, pipe fittings, and appliance water lines. The superior sealing performance ensures leak-free results.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.