Graco 15K887 Ring, Support, Piston, 160-319

Graco 15K887 Piston Support Ring — OEM support ring sized for 160–319 piston assemblies to maintain alignment and reduce wear.

Brand: Graco
Type: Piston Support Ring
Application: Supports piston assembly alignment
Fit: OEM part 15K887 (160–319 series)
Material: Precision metal OEM component

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Description

Compatible Machines / Systems

OEM Graco piston assemblies that require a support ring sized 160–319 — stabilizes piston alignment and helps smooth reciprocating motion. ([airless.es](https://airless.es/en/graco/112997-15k887-graco-ringsupportpiston160-319.html?utm_source=chatgpt.com))

Manufacturer	Graco
Model Number	15K887
Type	Piston Support Ring
Center Section Material	Precision metal
Port Size	Application specific
Air Inlet	N/A
Wetted Material	Metal
Compatible Media	Internal piston mechanism

Frequently Asked Questions

What is a piston support ring?

A piston support ring helps maintain correct piston alignment and support inside the cylinder during operation. ([airless.es](https://airless.es/en/graco/112997-15k887-graco-ringsupportpiston160-319.html?utm_source=chatgpt.com))

Which piston series is this for?

This ring is sized for pistons in the 160–319 range, as specified by OEM diagrams. ([airless.es](https://airless.es/en/graco/112997-15k887-graco-ringsupportpiston160-319.html?utm_source=chatgpt.com))

Can I reuse this part?

Replace if worn or deformed; reuse only if still round and undamaged.

Does it affect pump performance?

Yes — a damaged support ring can lead to piston misalignment, noise, or wear in the assembly.

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