Product Description
Piston
Frequently Asked Questions
Q: What is the difference between the PM WW-19P and PM WW-19P-A piston?
A: The PM WW-19P-A is a variant designation of the piston component, typically indicating a design revision, material update, or fitment variant for a specific Palletmaster model generation. Verify your equipment serial range to confirm which variant is correct.
Q: What does the PM WW-19P-A piston do?
A: The PM WW-19P-A is a hydraulic piston that converts pump pressure into vertical lift force within the cylinder. It seals against the cylinder wall and moves freely to raise and lower the pallet jack forks.
Q: Can I use PM WW-19P-A as a cross-reference for PM WW-19P?
A: Do not assume these part numbers are interchangeable. The A designation indicates a specific variant. Verify your equipment documentation or contact us with your pallet jack model and serial number to confirm the correct piston SKU.
Q: What material is the PM WW-19P-A piston made from?
A: The PM WW-19P-A is manufactured from hardened steel or treated alloy designed to withstand continuous hydraulic pressure cycling, minimize internal leakage, and maintain dimensional stability over extended service life.
Q: How long does a PM WW-19P-A piston typically last?
A: Piston service life ranges from 3 to 8 years depending on usage intensity, hydraulic fluid condition, and maintenance. Regular hydraulic fluid inspection and replacement extend piston life by reducing internal wear and contamination.