Graco 16H931 Packing O-Ring

This Graco 16H931 O-Ring Packing provides a reliable seal inside Contractor PC spray guns to prevent leaks and maintain smooth operation.

Fits Contractor PC & Compact models
Ensures proper cartridge sealing
OEM durability and precision

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Description

Compatible Machines

This Graco 16H931 O-Ring Packing is used in the sealing assembly of the Contractor PC spray gun series. Below are the models where this packing O-ring is installed.

Contractor PC Spray Gun (17Y042)
Contractor PC Spray Gun (17Y043)
Contractor PC Spray Gun (17Y044)
Contractor PC Spray Gun (17Y470)
Contractor PC Spray Gun (826252)
Contractor PC Compact Spray Gun

Product Description

The Graco 16H931 O-Ring Packing is a genuine seal used within the Contractor PC and Contractor PC Compact spray gun assemblies. It provides critical sealing around the cartridge and handle interface, ensuring proper fluid containment and preventing operational leaks. This part is essential for maintaining smooth trigger action and prolonging spray gun component life.

Key Features

Ensures leak-free sealing inside the Contractor PC spray gun cartridge assembly.
OEM Graco part designed for reliability.
Maintains pressure consistency during spraying.
Compatible with both full-size and compact Contractor PC guns.

Technical Details

Part Number	16H931
Description	O-Ring Packing
Category	Spray Gun Seals / Packing
Used In	Contractor PC & Contractor PC Compact Guns

Frequently Asked Questions

It seals the cartridge/handle section of the Contractor PC spray gun, preventing leaks and maintaining internal pressure during operation.

No. This packing O-ring is specific to the Contractor PC and Contractor PC Compact spray gun models and does not fit older or different Graco gun styles.

Yes. The O-ring is included in the Contractor PC cartridge kit (part number 17Y297), which provides a complete trigger and internal seal replacement.