Product Description
VJ 66144 is a U-Cup hydraulic seal designed for Valu-Jack 5500 and 6600 series manual pallet jacks, used in the hydraulic pump assembly. It is a critical wear component included in the VJ 66150 overhaul seal kit and is essential for maintaining hydraulic system integrity in manual pallet jack applications.
Compatibility: Fits pallet jacks made by Valu-Jack, model 6600. SKU: VJ 66144
Specifications
Hydraulic
| Compatible Seal Kit | VJ 66150 (contains VJ 66144) |
Part Numbers
| OEM Part Number | VJ 66144 |
| Compatible Models | Valu-Jack 5500, 6600 Series Manual Pallet Jacks |
Frequently Asked Questions
Q: What is the VJ 66144 U-Cup seal used for in Valu-Jack pallet jacks?
A: The VJ 66144 is a U-Cup hydraulic seal designed for Valu-Jack 5500 and 6600 series manual pallet jacks. It is used in the hydraulic pump assembly as a critical wear component to seal the pump cylinder and prevent fluid leakage.
Q: Is the VJ 66144 included in the VJ 66150 overhaul kit?
A: Yes. The VJ 66144 U-Cup seal is a component included in the VJ 66150 overhaul seal kit for Valu-Jack 5500 and 6600 series pallet jacks. If you are performing a complete hydraulic system overhaul, the VJ 66150 kit contains this seal along with other critical wear components.
Q: What material is the VJ 66144 U-Cup seal made from?
A: The VJ 66144 is manufactured from durable elastomer material engineered to withstand hydraulic pressure and fluid exposure. The U-Cup design provides dual sealing surfaces to effectively contain hydraulic fluid under load.
Q: How do you know the VJ 66144 U-Cup seal has failed?
A: A failed VJ 66144 will cause hydraulic fluid leaks from the pump cylinder, loss of lifting pressure, or inability to hold load. If the pallet jack leaks or does not respond to pump strokes, the U-Cup seal may be worn or damaged and needs replacement.
Q: Which Valu-Jack models use the VJ 66144 U-Cup seal?
A: The VJ 66144 is designed for Valu-Jack 5500 and 6600 series manual pallet jacks. Verify your equipment model number before ordering to ensure this seal is the correct replacement.