GREPSPUD glad hand seals 100pcs 50pcs Red & 50pcs Blue replacement o-rings for truck trailer glad hands resilient rubber, oil-resi

GREPSPUD 100-piece glad hand seal kit supplies 50 red and 50 blue rubber o-rings designed to restore airtight connections on standard truck and trailer glad hands.

Keep your air brake connections leak-free and ready for the road with this bulk replacement pack. These rubber seals (also called glad hand gaskets) are molded to fit industry-standard glad hands from common manufacturers, offering a cost-effective way to replace worn or damaged seals. The dual-color assortment makes it simple to match service and emergency lines while keeping spares on hand for quick roadside repairs.

How do these glad hand seals stop leaks?

The seals are molded from resilient rubber engineered for compression and rebound, which helps them fill gaps and maintain a tight contact against the metal glad hand faces. Their centered bulge and curved base are shaped to press into the seal seat and hold position under pressure, reducing air loss at the coupling point.

• Thick center lip for improved contact and sealing surface
• Curved base for secure installation into glad hand bodies
• Rubber compound resists oil, water, and routine abrasion

Will these fit my current glad hands and brands?

These gaskets are produced to fit industry-standard dimensions so they are compatible with many original equipment and aftermarket glad hands. They are listed as compatible with common models and brands, making them a versatile replacement across fleets or individual trucks.

• Compatible with Haldex, Tramec, Tectran and Phillips-style glad hands
• Works with most industry-standard male/female glad hand assemblies
• Useful for both original and aftermarket glad hand designs

How easy is it to install and maintain these seals?

Installation is straightforward: press the curved base into the glad hand seat until the seal snaps into place. Their soft, smooth finish eases insertion and reduces the chance of pinching, and replacement is quick during routine inspections or when a leak is detected.

• Push-in installation—no tools typically required
• Smooth edges prevent tearing during fitment
• Carry extras for immediate roadside swaps

How durable are the GREPSPUD glad hand o-rings under real-world conditions?

GREPSPUD seals are formulated for long service life, with elasticity that maintains contact despite repeated coupling cycles and temperature changes. They resist oils, corrosion, and the wear common in truck and trailer use, helping them last through standard operating conditions.

• High toughness and wear resistance for frequent use
• Good aging resistance against weather variations
• Designed to withstand exposure to oils and road contaminants

Who is this for? This 100-piece GREPSPUD glad hand seal set is ideal for truck owners, fleet managers, mechanics, and roadside technicians who need reliable spare seals. If you maintain heavy vehicles, run a repair shop, or simply want to keep your trailer connections airtight and compliant, this pack supplies enough red and blue seals to service multiple vehicles and carry replacements for emergencies.