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.

  • Up to $8.46 off

    CT 1009128

    Regular price $54.96
    Sale price $54.96 Regular price $63.42
  • CR 87488, Crown hydraulic brake manifold seal kit
    Up to $5.26 off

    CR 87488

    Regular price $34.16
    Sale price $34.16 Regular price $39.42
  • Up to $2.36 off

    CR 87484

    Regular price $4.67
    Sale price $4.67 Regular price $7.03
  • Up to $8.85 off

    CR 79017

    Regular price $25.99
    Sale price $25.99 Regular price $34.84
  • Up to $12.57 off

    CR 78654

    Regular price $81.68
    Sale price $81.68 Regular price $94.25
  • CR 40000-TH, Crown Seal Kit
    Up to $11.58 off

    CR 40000-TH

    Regular price $67.60
    Sale price $67.60 Regular price $79.18
  • CR 40000-SUPER-HN, Crown Hydraulic Seal Kit for Pallet Jacks
    Up to $17.14 off

    CR 40000-SUPER-HN

    Regular price $103.69
    Sale price $103.69 Regular price $120.83
  • CR 40000, Crown Seal Kit
    Up to $11.58 off

    CR 40000

    Regular price $67.60
    Sale price $67.60 Regular price $79.18
  • CR 136716, SEAL KIT
    Up to $3.77 off

    CR 136716

    Regular price $24.52
    Sale price $24.52 Regular price $28.29
  • Up to $5.49 off

    CR 126903

    Regular price $35.65
    Sale price $35.65 Regular price $41.14
  • CR 126662

    Regular price $57.57
    Sale price $57.57 Regular price $53.97
  • Up to $5.49 off

    CR 123916

    Regular price $35.65
    Sale price $35.65 Regular price $41.14
  • Up to $16.93 off

    CR 123894

    Regular price $55.65
    Sale price $55.65 Regular price $72.58
  • CR 123868, SEAL KIT
    Up to $17.93 off

    CR 123868

    Regular price $62.59
    Sale price $62.59 Regular price $80.52
  • Up to $16.62 off

    CR 118893

    Regular price $68.46
    Sale price $68.46 Regular price $85.08
  • Up to $11.42 off

    CR 116872

    Regular price $60.26
    Sale price $60.26 Regular price $71.68
  • Up to $12.34 off

    CR 116360

    Regular price $20.05
    Sale price $20.05 Regular price $32.39
  • Up to $30.17 off

    CR 115135

    Regular price $196.05
    Sale price $196.05 Regular price $226.22
  • CR 111790-001, Seal Kit
    Up to $1.48 off

    CR 111790-001

    Regular price $9.67
    Sale price $9.67 Regular price $11.15
  • Up to $4.47 off

    CR 111790-009

    Regular price $12.64
    Sale price $12.64 Regular price $17.11
  • CR 111149, Brake manifold seal kit for Crown electric lift truck
    Up to $5.26 off

    CR 111149

    Regular price $34.16
    Sale price $34.16 Regular price $39.42
  • CR 107837, Crown hydraulic cylinder seal kit for lift trucks
    Up to $5.26 off

    CR 107837

    Regular price $34.16
    Sale price $34.16 Regular price $39.42
  • Up to $2.96 off

    CR 101340

    Regular price $17.83
    Sale price $17.83 Regular price $20.79
  • CR 101339

    Regular price $86.67
    Sale price $86.67 Regular price $46.45
  • CR 101338

    Regular price $79.73
    Sale price $79.73 Regular price $58.26
  • Up to $3.43 off

    CR 101314

    Regular price $22.28
    Sale price $22.28 Regular price $25.71
  • Up to $3.78 off

    CR 101313

    Regular price $20.05
    Sale price $20.05 Regular price $23.83
  • CR 101302

    Regular price $79.73
    Sale price $79.73 Regular price $58.26
  • Up to $10.44 off

    CR 101309

    Regular price $44.56
    Sale price $44.56 Regular price $55.00
  • Up to $4.47 off

    CR 101296

    Regular price $12.64
    Sale price $12.64 Regular price $17.11
  • Up to $3.20 off

    CR 101301

    Regular price $16.35
    Sale price $16.35 Regular price $19.55
  • CR 087488, Crown Hydraulic Seal Kit for Electric Lift Trucks
    Up to $5.26 off

    CR 087488

    Regular price $34.16
    Sale price $34.16 Regular price $39.42
  • Up to $8.85 off

    CR 079017

    Regular price $25.99
    Sale price $25.99 Regular price $34.84
  • Up to $11.42 off

    CA 563487

    Regular price $60.26
    Sale price $60.26 Regular price $71.68
  • BT 129883-SLIM-TH, Bt Seal Kit
    Up to $8.40 off

    BT 129883-SLIM-TH

    Regular price $36.84
    Sale price $36.84 Regular price $45.24
  • BT 11132-TH, Bt Seal Kit
    Up to $13.88 off

    BT 11132-TH

    Regular price $64.00
    Sale price $64.00 Regular price $77.88
  • BT 11131-TH, Bt Seal Kit
    Up to $8.65 off

    BT 11131-TH

    Regular price $59.72
    Sale price $59.72 Regular price $68.37
  • Up to $12.57 off

    BT 11133

    Regular price $81.68
    Sale price $81.68 Regular price $94.25
  • Up to $21.96 off

    AT ZMSL-3150

    Regular price $142.76
    Sale price $142.76 Regular price $164.72
  • AT AP562, Seal Kit-No Longer Available

    AT AP562

    Call for Price
  • AT AP362, Seal Kit-No Longer Available
    Up to $11.47 off

    AT AP362

    Regular price $43.15
    Sale price $43.15 Regular price $54.62
  • 894-2052, ROL-LIFT SEAL KIT
    Up to $11.09 off

    894-2052

    Regular price $72.08
    Sale price $72.08 Regular price $83.17
  • 5001-1028, CR SEAL KIT, COMPLETE
    Up to $22.46 off

    5001-1028

    Regular price $47.05
    Sale price $47.05 Regular price $69.51
  • 467-2006, CR SUPER SEAL KIT
    Up to $13.40 off

    467-2006

    Regular price $66.40
    Sale price $66.40 Regular price $79.80
  • 467-2005, SUPER SEAL KIT
    Up to $22.75 off

    467-2005

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • 1993-1947, SUPER SEAL KIT
    Up to $22.75 off

    1993-1947

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • 00591-75311-81, SUPER SEAL KIT
    Up to $22.75 off

    00591-75311-81

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • 00591-57682-81, CR SEAL KIT, COMPLETE
    Up to $22.46 off

    00591-57682-81

    Regular price $47.05
    Sale price $47.05 Regular price $69.51

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.