O-Rings

O rings are simple circular seals, typically made from nitrile, silicone, or Viton rubber, that sit in a groove between two mating parts to block the passage of fluid, gas, or dust. In automotive and suspension systems, they're used at shock absorber shafts, hydraulic fittings, brake components, and fluid reservoirs, where even a small leak can affect performance and safety. A properly fitted o rings kit keeps these connection points sealed under pressure, heat, and repeated movement, making it one of the most important small parts in any sealed assembly. Choosing the right o rings starts with understanding material type, size standards, and where the seal will be used something the team at Shockkingz works with regularly when helping customers match parts to their vehicles.

Why Choose an O-Rings Collection

1. Wide range of sizes and durometer (hardness) ratings to match different pressure and temperature needs.

2. Material options such as nitrile (NBR), silicone, EPDM, and Viton for different fluid and chemical exposures.

3. Consistent, uniform cross-sections that reduce the risk of uneven wear or premature seal failure.

4. Suitable for both OEM replacement and general maintenance or repair projects, including with shock absorber seal kits.

5. Compatible with a broad range of fittings, cylinders, and shock or strut components.

6. Cost-effective way to prevent leaks compared to replacing entire assemblies.

Features of O-Rings 

1. Manufactured to standard AS568 or metric sizing for accurate, drop-in fitment.

2. Resistant to compression set, meaning they retain their shape and sealing force over time.

3. Available in multi-size o rings kit packs, useful for shops handling varied repair jobs.

4. Temperature tolerance ranges that suit both high-heat engine bay environments and cold climates.

5. Chemical resistance suited to oil, grease, coolant, or hydraulic fluid exposure depending on material. For more on preventing leaks at the seal level, see our guide on common causes of shock absorber leaks.

6. Easy to install with basic hand tools, without specialized equipment.

Frequently Asked Questions