Hydraulic Pump Seal Kit for Lift-Rite, Big Joe
LF PH-20280
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
LF PH-20280 is an OEM hydraulic pump seal kit engineered for Lift-Rite and Big Joe heavy duty manual pallet jack models, including LS100 and LS80. The kit features high-grade nitrile seals, backup rings, and gaskets tailored for pump and cylinder repair, with compatibility for bore diameters of 2.50 inches, rod diameters of 1.00 inch, and petroleum-based hydraulic fluids. The seal kit cross-references multiple part numbers and supersedes the PH-20278 kit.
Compatibility: Fits pallet jacks made by Lift-Rite, model LS100. SKU: LF PH-20280
Specifications
Part Numbers & Compatibility
| Make | Lift-Rite, Big Joe |
| Model | LS100, LS80, L-55, LR55, LR2055, L50, LRP 5000 |
| Fluid Compatibility | Compatible with petroleum-based hydraulic oils (ISO VG 32, VG 46) |
| Part Number | LF PH-20280 |
| Manufacturer Part Number | PH-20280 |
| Alternate Manufacturer Part Numbers | LFPH20280, LFPH-20280, LRPH20280, LRPH-20280, LR PH20280, LR PH-20280 |
| Cross-Reference Part Numbers | Replaces Lift-Rite 20280, LiftRite 20280, LF20280, PL20280 |
| Equivalent Part Numbers | Lift-Rite PH-20280, Big Joe PH-20280 |
| Cross Reference Part Numbers | Replaces Lift-Rite 20280, LiftRite 20280, LF20280, PL20280 |
Wheel Dimensions
| Rod Diameter | 1.00 inch |
Additional Specifications
| Seal Material | Nitrile rubber (Buna-N) with polyester backup |
| Seal Hardness | 70 Shore A durometer (Buna-N O-rings) |
| Supersedes | PH-20278 (HD Seal Kit) |
Frequently Asked Questions
Q: Which pallet jack models is the LF PH-20280 compatible with?
A: The LF PH-20280 is designed for Lift-Rite and Big Joe heavy duty manual pallet jack models including LS100, LS80, L-55, LR55, LR2055, L50, and LRP 5000.
Q: What material is the LF PH-20280 made from?
A: The LF PH-20280 is constructed with high-grade nitrile seals, backup rings, and gaskets engineered for durability in manual pallet jack hydraulic systems.
Q: How do I know when to replace the LF PH-20280 seal kit?
A: Replace the seal kit when you notice external leaks, difficulty in lifting, or a loss of lift height. These signs indicate worn seals that require replacement.
Q: Does the LF PH-20280 replace other seal kits?
A: Yes, the LF PH-20280 supersedes the PH-20278 seal kit. It is a replacement part for models that previously used the PH-20278.