Graco 243639 Gun Trigger Repair Kit

The Graco 243639 Gun Trigger Repair Kit provides a quick and affordable way to restore smooth trigger performance on your Graco spray gun. Perfect for routine maintenance or fixing a sticking trigger.

Genuine OEM Graco replacement kit
Restores trigger feel and reliability
Compatible with Graco SG2 and SG3 Spray Guns
Easy installation with basic tools

Retail Price: $36.2

You save: $0.72000000000001 (1.99%)

Our Price: $35.48

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Description

Overview & Quick Facts

The Graco 243639 Gun Trigger Repair Kit is a genuine OEM service kit designed to restore smooth, reliable trigger action on compatible Graco spray guns. Ideal for fixing sticking, sloppy, or worn triggers without replacing the entire gun.

Compatible Machines

This kit services the trigger mechanism on the following Graco guns:

Graco SG2 Spray Gun
Graco SG3 Spray Gun

Key Features

OEM Quality: Genuine Graco parts for proper fit and long service life.
Trigger Restoration: Helps eliminate sticking and improves trigger feel/return.
Cost-Effective Fix: Repair the gun you already own instead of buying new.
Simple Maintenance: Straightforward install with basic hand tools.

Specifications

Part Number	243639
Item Type	Gun Trigger Repair Kit
Fits	Graco SG2 and SG3 spray guns
Application	Restores/maintains trigger mechanism performance
Brand	Graco

Installation Notes

Always depressurize the sprayer and engage the trigger lock before servicing.
Clean the gun body and trigger area to remove dried paint before assembly.
Check the trigger pin/retainer orientation and re-apply a light machine oil to moving points.
After reassembly, perform a leak/trigger-return check with water or solvent as appropriate.

Frequently Asked Questions

This kit is designed for the Graco SG2 and SG3 spray guns. If your sprayer originally came with one of these guns, the kit will fit that gun model.

A sticking trigger, poor return, uneven pull, or visible wear in the trigger linkage are common signs. If the trigger won’t lock/unlock smoothly, a repair kit is typically the solution.

No special tools are required—basic hand tools are sufficient. Follow standard safety procedures and consult your gun’s manual for disassembly steps.

It restores trigger function. Leaks at the tip often relate to tip/guard or seat issues, while handle leaks may involve seals or packings. Inspect those components separately.

Yes—243639 is an OEM Graco trigger repair kit designed to match factory specifications.