Graco 16Y425 O-Ring is a genuine replacement designed for use with Graco Ultra handheld sprayer pumps, specifically models 17P185 (corded) and 17P186 (cordless). Positioned in the pump and cup assembly, this O-Ring provides a secure seal that prevents leaks, maintains suction, and supports consistent spray performance. For users who rely on compact handheld units, replacing a worn or cracked O-Ring is as critical as servicing other essential graco pump repair kits to keep equipment running smoothly.
$6.3Graco 16Y425 is manufactured to Graco’s original specifications, ensuring durability and reliable performance. It fits directly into the pump section and creates a tight seal for the cup or inlet, reducing the risk of air leaks or fluid bypass. Much like using a graco paint sprayer pump repair kit for larger sprayers, this small but important part plays a vital role in preventing downtime and ensuring efficient operation.
This O-Ring is used in handheld models such as the Ultra 17P185 and 17P186. It is not compatible with the UltraMax pump (17P187). As part of the sealing system, it works alongside filters, prime valves, and pistons to deliver consistent spraying results. Owners who frequently maintain graco 360 paint sprayer parts will find this O-Ring essential in extending the service life of their equipment.
Before ordering Graco 16Y425 O-Ring, confirm your sprayer’s model number and check the parts diagram. Ensure it matches the 17P185 or 17P186 pump assembly. If you notice fluid leaks, priming issues, or suction loss, this O-Ring is likely worn and should be replaced. As with any graco pump kit, verifying part numbers ensures a correct fit and reliable performance.
Using original components ensures proper fit and long service life. This O-Ring is engineered for handheld sprayers, delivering performance that generic alternatives can’t guarantee. For professional painters and DIY users, pairing this replacement with regular servicing and graco pump repair kit options ensures equipment remains reliable on every project.
Purchase Graco 16Y425 O-Ring today from SprayersandParts.com. Alongside this part, we stock seals, filters, and complete graco paint sprayer pump repair kit solutions, giving you access to all the genuine replacements you need to keep your sprayer job ready.
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