Wesco O-Ring for Cpi Pallet Jacks
WE A331
Guaranteed Fit. If it doesn’t fit equipment that matches the listing on this page, we’ll exchange or refund it: no restocking fee, return shipping on us. How it works
Not sure it fits? Check it with us before you buy. Once we confirm the fit in writing, it’s guaranteed for your machine.
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Compatibility
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Product Description
O-Ring
Compatibility: Fits pallet jacks made by Wesco, model CPI. SKU: WE A331
Frequently Asked Questions
Q: What is the WE A331 O-ring used for?
A: The WE A331 is an elastomer O-ring seal for Wesco CPI manual pallet jacks. It pairs with the WE A330 screw plug to create a hydraulic seal on the pump body, preventing fluid leakage and maintaining system pressure.
Q: Which pallet jack models is the WE A331 compatible with?
A: The WE A331 is designed for Wesco CPI model manual pallet jacks. It seals the hydraulic pump assembly on this equipment line. Verify your model matches CPI before ordering.
Q: What is the material composition of the WE A331?
A: The WE A331 is manufactured from elastomer material engineered to resist hydraulic fluid degradation and maintain sealing performance across typical pallet jack operating temperature ranges and pressure conditions.
Q: When should the WE A331 O-ring be replaced?
A: Replace the WE A331 if hydraulic fluid leaks from the pump assembly, the O-ring appears visibly cracked or hardened, or if the pump loses pressure holding capability. Standard practice is to replace the O-ring whenever the WE A330 screw plug is serviced.
Q: Is the WE A331 sold separately or with the screw plug?
A: The WE A331 O-ring is sold separately from the WE A330 screw plug. Both components are required for a complete seal assembly. Order both parts together for full pump body sealing on Wesco CPI pallet jacks.