351PCS Silicone O-Ring Set – 10 Sizes, Oil & Heat Resistant

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351-Piece Silicone O-Ring Assortment – 10 Standard Sizes

Stop hunting for the right seal. This comprehensive silicone O-ring kit gives you 351 pieces across 10 standard sizes so you always have the right gasket on hand — whether you're fixing a leaky faucet, servicing a car engine, or maintaining industrial equipment. Made from premium silicone rubber, these rings deliver outstanding oil and high-temperature resistance, keeping your systems sealed and running smoothly.

Why You'll Love This Kit

• 10 different standard sizes in one set — covers a wide range of sealing needs
• High-quality silicone — excellent resistance to oil, heat, and harsh conditions
• Highly elastic design — creates a tight, leak-proof fit every time
• Strong corrosion and aging resistance — long service life, fewer replacements
• Widely applicable — great for automotive repair, industrial piping, and household appliances

Product Details

• Color: Red
• Material: Silicone Rubber
• Sizes: 10 different standard sizes
• Quantity: 351 pieces total

For more sealing and repair essentials, browse our full Tools and Home Improvement collection. Learn more about how O-ring seals work to choose the right size for your application.