Brake Fluids O-Rings | McMaster-Carr

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2,466 Products

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

Spring-Loaded Seals

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

Wear Ring Stock

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)