Graco 100731 Washer

The Graco 100731 Washer is a genuine OEM flat washer used for load distribution and fastening stability across multiple Graco sprayers and line drivers.

Part Type: Flat Washer (Hardware)
Used In: LineLazer, G-Force, GH 833, and Line Driver units
Ensures: Secure mounting and proper torque alignment
OEM Quality: Durable steel for long service life

$8.74

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Description

Compatible Machines for Graco 100731 Washer

This OEM flat washer is used in hardware/mounting locations across multiple Graco machines. Confirm with your parts diagram before ordering.

Graco 223-260 – System 8000 High Efficiency Low Pressure
Graco 223-261 – System 8000 High Efficiency Low Pressure
Graco 231-133 – Series B Gas Powered Airless Line Driver
Graco 231-141 – Gas Powered Airless Line Driver
Graco 231-149 – Series C 4.0 HP Gas Powered Airless Line Driver
Graco 231-150 – Series C 5.5 HP Gas Powered Airless Line Driver
Graco 231-151 – 4.0 HP Gas Powered Airless Line Driver
Graco 231-152 – 5.5 HP Gas Powered Airless Line Driver
Graco 231-205 – Series A Gas Powered Airless Line Driver
Graco 249318 – GH 833 Sprayer
Graco 249617 – GH 833 Sprayer
Graco 3030DD – G-Force Direct Drive Pressure Washer
Graco 3540DD – G-Force Direct Drive Pressure Washer
Graco 4035BD – G-Force Belt Drive Pressure Washer
Graco 4043BD – G-Force Belt Drive Pressure Washer
Graco 3900 – LineLazer Airless Paint Striper
Graco 5900 – LineLazer Airless Paint Striper

Overview & Key Details

The Graco 100731 Washer is a flat washer used to distribute load beneath a fastener and protect mating surfaces. It appears in various Graco assemblies (mounts, brackets, engine/frame hardware, etc.). Using the correct washer maintains proper torque and alignment.

Attribute	Details
Part Number	100731
Type	OEM flat washer (hardware)
Typical Use	Load distribution & surface protection under bolts/screws on Graco equipment
Fits	Multiple Graco LineLazer, G-Force Pressure Washer, Line Driver, and GH 833 assemblies (see list above)
Notes	Verify location by consulting your model’s parts diagram; dimensions/stack-up may vary by assembly.

Helpful Tips

Match the washer location from your model’s exploded diagram (item number may vary by assembly).
Replace washers that are distorted, corroded, or grooved to maintain correct fastener preload.
When servicing hardware stacks, install in the original order (bolt → washer → bracket/frame).

Frequently Asked Questions

No. 100731 is a hardware washer used for mounting/fastening. It’s not in the fluid path and does not meter paint or pressure.

Possibly. Many Graco assemblies share standard hardware. Always check your machine’s parts list to confirm the washer callout and location before substituting.

It’s recommended to inspect and replace if the washer shows wear, deformation, or corrosion. A clean, flat washer helps maintain proper torque.

Torque values depend on the fastener size, grade, and assembly. Use the torque listed in your model’s service manual or parts manual notes.

Reinstall in the original sequence shown in the diagram. Mixing order can affect clamping force and alignment.

Graco 100731 Washer

Compatible Machines for Graco 100731 Washer

Overview & Key Details

Helpful Tips

Frequently Asked Questions

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Graco 100731 Washer

Compatible Machines for Graco 100731 Washer

Overview & Key Details

Helpful Tips

Frequently Asked Questions

Is 100731 a fluid-path or wear part?

Can I use 100731 on a model not listed here?

Do I need to replace the washer when changing bolts?

Is there a specific torque spec for fasteners using 100731?

What if my washer stack includes spacers or lock washers?

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