Graco 15A042 Piston Shaft

Graco 15A042 Piston Shaft – OEM Replacement Part Overview

The Graco 15A042 Piston Shaft is a genuine OEM component designed for reliable performance inside Graco pump assemblies. It ensures smooth piston and diaphragm movement, restoring optimal operation in compatible Graco industrial pumps.

Compatible Machines

This OEM part fits the following Graco pump model(s):

• Graco Triton 1030HP Diaphragm Pump

Key Features

• Genuine Graco OEM replacement shaft.
• Designed for high-pressure, industrial pump operation.
• Provides correct alignment and motion for the piston assembly.
• Durable construction for long service life in demanding applications.

Technical Specifications

When to Replace the Piston Shaft

• Reduced pump output or pressure inconsistencies.
• Noticeable wear or scoring on the shaft during service.
• Leaks or erratic diaphragm/piston movement.
• After internal pump rebuilds for long-term reliability.

Frequently Asked Questions