Graco 109570 Plain Washer

The Graco 109570 Plain Washer is a genuine OEM flat washer used across various Graco sprayers and striping units. It distributes load and protects surfaces, ensuring secure fastening and longer equipment life.

OEM Graco part – reliable fit and durability
Used in Ultra Max, GrindLazer, and Skid-Mount units
Ideal for maintenance and replacement needs

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Description

Where the Graco 109570 Washer (Plain) Fits & What It Does

Compatible Machines / Assemblies

The Graco 109570 Washer, Plain is a standard OEM flat washer that appears across multiple Graco assemblies. It is commonly found in the following equipment families and kits (verify against your model’s parts manual and serial range):

Ultra Max & related professional airless sprayers (e.g., Ultra Max 695 series)
GrindLazer surface preparation equipment (various models)
Skid-Mount / OEM striping packages and road-marking setups
Selected Bead Tank / material tank kits and hardware packs
Other Graco brackets, guards, frames, and linkages where a flat washer is specified

Tip: If your manual calls out “Washer, Plain – 109570”, this part is the correct OEM replacement.

Overview

The Graco 109570 is a genuine Graco plain (flat) washer used to distribute clamping load, protect mating surfaces, and help maintain fastener torque in vibration-prone applications. Because it is standard hardware, it is used in many Graco machines and kits rather than a single dedicated model.

Key Benefits

OEM fit & finish for reliable assembly and service work
Load distribution to reduce galling and surface wear
Versatile use across frames, guards, brackets, and linkage points
Quick maintenance item—ideal to keep on hand with fasteners

Specifications

Part Number	109570
Part Type	Washer, Plain (Flat Washer)
Brand / Origin	Genuine Graco OEM
Typical Use	General hardware in sprayers, stripers, surface prep units, and kit hardware packs
Cross-Reference	In some listings this washer is referenced alongside 17W098 (check your manual to confirm for your serial range).

How to Confirm Fitment

Open your machine’s parts manual and search for “Washer, Plain – 109570”.
Match the exploded diagram index and quantity required at the noted fastener location.
Check serial number breaks or revision notes (if shown) before ordering multiples.

Frequently Asked Questions

It is a general hardware washer used across many Graco machines. Check your parts manual for “Washer, Plain – 109570”. If listed, it’s the correct OEM replacement for that location.

Some catalogs reference 17W098 in related contexts. Always confirm in your model-specific manual or contact support before substituting hardware.

A plain (flat) washer spreads load under a bolt or nut, protects painted or soft surfaces, and helps maintain torque where vibration is present.

The quantity varies by assembly. The exploded view in your parts manual will show each location and the count required.

Ensure the washer sits flat under the fastener head or nut, match the ID/OD to the specified bolt size in the manual, and torque to the spec provided for that joint.