Hydraulic Seal Replacement Kits for Lift Trucks & Pallet Jacks

Restore hydraulic performance and stop leaks with the right seal replacement kit for your pallet jack or forklift. Our Seal Replacement Kits collection includes complete hydraulic cylinder seal kits, pump seal kits, and o-ring assortments matched to the most common makes and models in the industry — so you can complete a full hydraulic rebuild without hunting down individual seals.

Compatible equipment brands include Crown, Toyota, BT Prime Mover, Multiton, Raymond, Yale, Hyster, Uline, and other major OEM and aftermarket manufacturers. Kits are matched by equipment make, model, and serial number range, as well as by pump manufacturer and cylinder bore size.

Kit types available:

  • Hydraulic Cylinder Seal Kits — all seals, o-rings, and wipers needed to rebuild a lift cylinder
  • Pump Seal Kits — seals and o-rings for hydraulic pump units (Monarch, Parker, Haldex, and others)
  • Complete Hydraulic Rebuild Kits — cylinder and pump seals bundled for a full system overhaul
  • O-Ring Assortments — general-purpose metric and SAE o-ring sets for field repairs

How to select the right seal kit: Identify your equipment's make, model, and serial number from the data plate. For pump seal kits, note the pump manufacturer (often stamped on the pump body) — common suppliers include Monarch, Parker, and Haldex. For cylinder kits, note the cylinder bore diameter and rod diameter. Matching these specs ensures the seals seat correctly and hold pressure.

Common use cases: Scheduled hydraulic maintenance, repairing slow or failed lift function, stopping oil weeping from cylinder rods or pump fittings, and full hydraulic rebuilds during equipment refurbishment. Replacing seals proactively at 2,000–3,000 operating hours is standard practice for high-cycle equipment.

All kits ship from our US warehouse. Use the brand and model filters above to find your kit, or search by pump manufacturer and model for a direct match.

  • JT 3025B, Seal Kit
    Up to $10.15 off

    JT 3025B

    Regular price $43.73
    Sale price $43.73 Regular price $53.88
  • IN 100044

    Call for Price
  • HL BST-SHQ-ASSY

    Call for Price
  • GW 540, Seal Kit
    Up to $15.56 off

    GW 540

    Regular price $35.35
    Sale price $35.35 Regular price $50.91
  • GW 532, Seal Kit
    Up to $12.92 off

    GW 532

    Regular price $35.33
    Sale price $35.33 Regular price $48.25
  • GW 531, Seal Kit
    Up to $26.04 off

    GW 531

    Regular price $23.69
    Sale price $23.69 Regular price $49.73
  • GW 518, Seal Kit
    Up to $7.94 off

    GW 518

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • GW 516, Complete Seal Kit
    Up to $22.11 off

    GW 516

    Regular price $58.93
    Sale price $58.93 Regular price $81.04
  • EC SST-PRK, Seal Kit

    EC SST-PRK

    Call for Price
  • EA A193, Overload Kit Includes parts marked with a 'C' in 'Kit' column
    Up to $6.28 off

    EA A193

    Regular price $13.36
    Sale price $13.36 Regular price $19.64
  • CR 128093, Seal Kit

    CR 128093

    Regular price $25.75
    Sale price $25.75 Regular price $18.66
  • CR 125191, Seal Kit for Crown Electric Lift Trucks

    CR 125191

    Regular price $92.18
    Sale price $92.18 Regular price
  • BT 22311-SLIM, Slim Seal Kit
    Up to $8.40 off

    BT 22311-SLIM

    Regular price $36.84
    Sale price $36.84 Regular price $45.24
  • BT 22311-AM, Seal Kit (Use for BT 131866-AM ONLY)

    BT 22311-AM

    Call for Price
  • 2501-103465, BT SEAL KIT
    Up to $22.11 off

    2501-103465

    Regular price $58.93
    Sale price $58.93 Regular price $81.04
  • 1624-0186, INTERTHOR SEAL KIT
    Up to $16.96 off

    1624-0186

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • 00591-57579-81, SUPER SEAL KIT

    00591-57579-81

    Regular price $97.16
    Sale price $97.16 Regular price $72.87
  • 00591-53443-81, INTERTHOR SEAL KIT
    Up to $16.96 off

    00591-53443-81

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • 00591-31559-81, SUPER SEAL KIT

    00591-31559-81

    Regular price $97.16
    Sale price $97.16 Regular price $72.87
  • 00591-31550-81, BT SEAL KIT

    00591-31550-81

    Regular price $97.05
    Sale price $97.05 Regular price $81.04
  • 800075551, CROWN SEAL KIT
    Up to $7.94 off

    800075551

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • 800064843, BLUE GIANT SEAL KIT
    Up to $8.38 off

    800064843

    Regular price $54.48
    Sale price $54.48 Regular price $62.86
  • 800037860, PU SEAL KIT
    Up to $15.15 off

    800037860

    Regular price $33.72
    Sale price $33.72 Regular price $48.87
  • 220015890, CROWN SEAL KIT
    Up to $7.94 off

    220015890

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • 7003098, CR SEAL KIT, COMPLETE
    Up to $22.46 off

    7003098

    Regular price $47.05
    Sale price $47.05 Regular price $69.51
  • 401626, ROL-LIFT SEAL KIT
    Up to $11.09 off

    401626

    Regular price $72.08
    Sale price $72.08 Regular price $83.17
  • 40158, CROWN SEAL KIT
    Up to $7.94 off

    40158

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • BO 60250-MP, Seal kit for Boman pallet jack hydraulic units
    Up to $14.01 off

    BO 60250-MP

    Regular price $37.64
    Sale price $37.64 Regular price $51.65
  • BO 60250, Seal Kit
    Up to $14.01 off

    BO 60250

    Regular price $37.64
    Sale price $37.64 Regular price $51.65
  • BJ 10278, Seal Kit
    Up to $14.01 off

    BJ 10278

    Regular price $37.64
    Sale price $37.64 Regular price $51.65
  • BI 52109703, Bishamon Seal Kit
    Up to $3.22 off

    BI 52109703

    Regular price $40.95
    Sale price $40.95 Regular price $44.17
  • BG 906-5000, Seal Kit
    Up to $20.99 off

    BG 906-5000

    Regular price $41.89
    Sale price $41.89 Regular price $62.88
  • A000044480, OEM Hydraulic Seal Kit for Forklifts & Pallet Jacks

    A000044480

    Regular price $33.89
    Sale price $33.89 Regular price
  • A000044472, Hydraulic Cylinder Seal Kit - Fits Caterpillar

    A000044472

    Regular price $42.22
    Sale price $42.22 Regular price
  • A000044474, Kit Seal for Pallet Jacks

    A000044474

    Regular price $111.14
    Sale price $111.14 Regular price
  • A000044459, Industrial Seal Kit for Manual Pallet Jack Hydraulic Systems

    A000044459

    Regular price $80.01
    Sale price $80.01 Regular price
  • A000044442, OEM Hydraulic Seal Kit for White Hydraulics Motor Models

    A000044442

    Regular price $56.51
    Sale price $56.51 Regular price
  • A000035686, Seal Kit for Manual Pallet Jack - Fits Caterpillar

    A000035686

    Regular price $65.46
    Sale price $65.46 Regular price
  • A000035638, Seal Kit for Manual Pallet Jack Hydraulic Pump - Fits Mitsubishi, Caterpillar

    A000035638

    Regular price $44.40
    Sale price $44.40 Regular price
  • A000035639, Hydraulic Seal Kit for Manual Pallet Jack - Fits Caterpillar

    A000035639

    Regular price $49.15
    Sale price $49.15 Regular price
  • A000035679, Hydraulic Pump Seal Kit for Manual Pallet Trucks - Fits Mitsubishi, Caterpillar

    A000035679

    Regular price $60.64
    Sale price $60.64 Regular price
  • TO 00591-04385-81, Seal Kit for Toyota and Crown Manual Pallet Jacks

    TO 00591-04385-81

    Regular price $48.72
    Sale price $48.72 Regular price
  • RA 1055355-01, Hydraulic Cylinder Seal Kit for Raymond Forklift

    RA 1055355-01

    Regular price $39.00
    Sale price $39.00 Regular price
  • PU B1-50, Hydraulic Seal Kit for Pallet Mule 4500, 5000, and 6500

    PU B1-50

    Regular price $100.83
    Sale price $100.83 Regular price
  • MO 3025-3/4, Mobile hydraulic seal kit for hydraulic pumps & cylinders

    MO 3025-3/4

    Regular price $41.18
    Sale price $41.18 Regular price
  • MO 123025-3/4, Seal Kit for Mobile Electric Lift Truck

    MO 123025-3/4

    Regular price $41.18
    Sale price $41.18 Regular price
  • GSK 535, Hydraulic Seal Kit for Pallet Jack

    GSK 535

    Regular price $44.53
    Sale price $44.53 Regular price
  • GSK 534, Hydraulic Pump Seal Kit for Manual Pallet Jacks

    GSK 534

    Regular price $41.15
    Sale price $41.15 Regular price

Choosing a seal kit

A seal kit replaces the wear items inside a hydraulic pump unit — the parts that harden, shrink and weep long before anything metal fails. Replacing the seals is usually far cheaper than replacing the pump.

Signs the seals have gone

  • The forks drift down under load instead of holding
  • Oil weeping around the pump body or ram
  • The handle needs more strokes than it used to to reach full lift
  • Visible fluid on the floor beneath the unit

What we stock

Seal kits for both manual and electric equipment, covering Crown, Toyota, BT Prime Mover, Multiton, Blue Giant and Mobile among others. Kits are matched to the specific hydraulic unit rather than to the truck, so two trucks of the same brand can take different kits.

Before you order

Identify the hydraulic unit, not just the truck — the unit is normally stamped with its own number. If you are unsure, the hydraulic unit diagrams show the exploded view for most common units, or call 1-800-669-7554 with your model and serial number.