351-Piece Red Silicone O-Ring Assortment Kit

Keep your vehicles, pipelines, and appliances leak-free with this comprehensive 351-piece red silicone O-ring kit. Featuring 10 different sizes in a single set, this assortment covers a wide range of sealing applications — from automotive engines and hydraulic systems to household plumbing and industrial pipework. Made in Mainland China.

Why Choose This O-Ring Kit?

10 Size Variety: One kit covers a broad spectrum of installation needs — automotive, piping, appliances, and more — so you always have the right size on hand.
Oil-Resistant Silicone: High-quality silicone material stands up to oils, fuels, and hydraulic fluids, maintaining a secure seal even in demanding environments.
High-Temperature Stability: Engineered to perform reliably in elevated-heat conditions such as engine bays and hydraulic systems without deforming or degrading.
Superior Sealing Performance: The highly elastic silicone conforms tightly to mating surfaces, effectively blocking liquid and gas leaks for long-term, safe operation.
Corrosion & Aging Resistant: Built to resist chemical corrosion and premature aging, extending service life and reducing the need for frequent replacements — saving you time and money.
Widely Applicable: Ideal for automotive repair, industrial piping, household appliances, and general maintenance tasks wherever a reliable seal is needed.

Package Contents

1 × Set of 351 Red Silicone O-Rings (10 sizes included)

Applications

This versatile O-ring kit is perfectly suited for:

Automotive engines, fuel systems & hydraulic lines
Water and gas pipelines
Industrial machinery and equipment
Household appliances and plumbing fixtures
General DIY repair and maintenance

Related Products You May Need

For more information on O-ring standards and sealing best practices, refer to the National Institute of Standards and Technology (NIST), which provides guidance on materials and measurement standards used in industrial sealing applications.

Frequently Asked Questions

Q: What sizes are included in the 351-piece silicone O-ring kit?

A: The kit includes 10 different sizes of red silicone O-rings, providing a comprehensive assortment to cover automotive, plumbing, and industrial applications. Please refer to the product images for a full size chart and quantity breakdown per size.

Q: Are these silicone O-rings safe to use with oil and fuel systems?

A: Yes. These O-rings are made from high-quality silicone that offers excellent oil resistance, making them suitable for use in automotive fuel lines, engine components, and hydraulic systems where exposure to oils and fluids is common.

Q: What temperature range can these silicone O-rings handle?

A: Silicone O-rings are well-known for their high-temperature stability. This kit's rings are designed to perform reliably in elevated-heat environments such as engine bays and industrial machinery without deforming, cracking, or losing their sealing integrity.

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

A: Absolutely. These versatile silicone gaskets are suitable for household plumbing, appliance maintenance, and general DIY repairs — not just automotive and industrial applications. The multi-size assortment ensures you'll find the right fit for most common fittings and fixtures.

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.

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