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.