Product Description
Replacement spring, manufacturer part number VJ 55F121, designed for Valu-Jack 5500-2 manual pallet jack hydraulic units; direct-fit OEM spring with no superseding or cross-reference part numbers available.
Compatibility: Fits pallet jacks made by Valu-Jack, model 5500-2 Hydraulic Unit. Alternate model: 55002 Hydraulic Unit; 5500 2 Hydraulic Unit. SKU: VJ 55F121
Specifications
Part Numbers
| Manufacturer Part Number | VJ 55F121 |
| OEM Part Number | VJ 55F121 |
| Compatible Models | Valu-Jack 5500-2 Hydraulic Unit |
Frequently Asked Questions
Q: What is the VJ 55F121 replacement spring used for in a Valu-Jack hydraulic unit?
A: The VJ 55F121 is a replacement spring component designed for the Valu-Jack 5500-2 manual pallet jack hydraulic unit. This OEM spring maintains mechanical pressure and force control within the hydraulic system to ensure proper valve response and controlled lowering during pallet jack operations.
Q: Which Valu-Jack models are compatible with the VJ 55F121 spring?
A: The VJ 55F121 fits Valu-Jack 5500-2 manual pallet jack hydraulic units. Alternate model designations include 55002 Hydraulic Unit and 5500 2 Hydraulic Unit. Verify your equipment model before ordering to ensure compatibility.
Q: Is the VJ 55F121 a direct OEM replacement or does it require calibration?
A: The VJ 55F121 is a direct-fit OEM spring with no superseding or cross-reference part numbers. It is a drop-in replacement that maintains the original spring force specification for your Valu-Jack 5500-2 hydraulic unit without additional adjustments.
Q: What happens if a VJ 55F121 spring fails or weakens?
A: A weak or failed VJ 55F121 spring will result in poor valve response, inconsistent lowering speed, or inability to maintain hydraulic pressure. Symptoms include sluggish load control, uneven descent, or the jack failing to hold a raised load. Spring replacement restores proper hydraulic function.
Q: Does the VJ 55F121 have any cross-reference part numbers from other manufacturers?
A: The VJ 55F121 does not have published cross-reference or alternate part numbers. Order using the exact SKU VJ 55F121 to ensure you receive the correct OEM spring for Valu-Jack 5500-2 hydraulic units.