Graco 116183 O-Ring

Graco 116183 O‑Ring

The Graco 116183 O‑Ring is an OEM sealing ring used in Graco spray, coating, fluid‑handling and finishing equipment. It provides leak‑proof sealing at joints, valves, and fluid or air connections — ensuring system integrity under pressure or fluid load. ([source: Graco Spare Parts listing])

Compatible Machines / Systems

• Graco airless spray guns, coating sprayers, fluid/hydraulic pumps and finishing systems that specify part # 116183. ([beschicht.com](https://beschicht.com/en/graco-graco-o-ring-general-spare-parts-116183-2102551))
• Industrial painting, automotive/aerospace coating setups — any Graco‑based equipment used for surface finishing or fluid transfer where O‑ring seals are required. ([beschict.com listing] )

Product Features

• OEM‑grade O‑ring — manufactured to Graco’s specifications, ensuring correct dimensions and sealing performance. ([airless‑discounter.de listing] )
• Durable and precise — suitable for demanding industrial use (paint, coatings, solvents, hydraulic fluid) common in spray & finishing systems. ([beschicht.com](https://beschicht.com/en/graco-graco-o-ring-general-spare-parts-116183-2102551))
• Easy to replace — simple sealing ring to swap when overhauling valves, fluid joints or during maintenance to prevent leaks or performance issues.

When & Why to Use / Replace

• Use whenever original seal shows wear, cracks, leaks, or when disassembling valves/joints for maintenance — to restore proper sealing.
• Recommended during maintenance of pumps, spray guns or fluid systems — replacing worn O‑rings helps keep system leak‑free and extends component life.