ZDBB 826-Pcs Universal O-Ring Kit | SAE & Metric O-Rings for Automotive, Plumbing & Faucets

Versatile sealing solution for automotive, plumbing, and more

The ZDBB 826pc O-Ring Kit brings together metric and SAE sizes in a single, easy-to-store set. Crafted from Buna-N 70A nitrile rubber, these rings are designed to handle common temperature swings and exposure to oils and fuels typical in many hobbyist and professional tasks.

Whether you’re tackling a leaky faucet, refreshing a hydraulic line, or sealing a new metal fitting, this kit is designed to help you find the right seal quickly and with confidence. The assortment is organized for fast access and reliable performance, so you can complete repairs with less guesswork.

What’s included

• Metric: 419 pieces, IDs range from 3 mm up to 50 mm; cross-sections 1.5 mm, 2 mm, 2.5 mm, 3.5 mm
• SAE: 407 pieces, inch IDs from 1/8" to 2" in common steps; cross-sections 1/16", 3/32", 1/8"
• 4-piece precision pick and hook set for easy handling and removal

Size coverage and compatibility

The kit spans a wide spectrum of sizes to fit cars, household plumbing, and industrial equipment. Metric rings cover mid-size to larger seals, while SAE rings ensure compatibility with standard automotive fittings and hardware.

• Metric IDs include 3 mm, 4.4 mm, 5 mm, 7 mm, 10–36 mm, 38 mm, 41 mm, 44 mm, 47 mm, 50 mm, with cross-sections 1.5–3 mm
• SAE IDs include common steps from 1/8" to 2" with cross-sections 1/16", 3/32", 1/8"

Material and durability

Made from USA-standard Buna-N 70A nitrile rubber, the rings offer strong elasticity and broad resistance to oils and fuels commonly encountered in daily repairs. The black color helps with visibility in crowded fittings.

Real-world use cases

In practice, you might use the kit to seal faucet connections, valves, hoses, or hydraulic lines. Homeowners can refit water filters or appliance hoses, while hobbyists may apply it to small engine or bike projects. The included tools aid careful installation.

Why choose this kit

• Comprehensive metric and SAE size coverage for flexibility
• Quality nitrile rubber material with broad exposure tolerance
• Built-in tools support precise handling and placement
• Organized assortment minimizes time spent searching for the right size