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.

  • LF PH20280, Seal Kit
    Up to $11.79 off

    LF PH20280

    Regular price $63.79
    Sale price $63.79 Regular price $75.58
  • HL HSP-ASSY-B, Seal Kit
    Up to $8.21 off

    HL HSP-ASSY-B

    Regular price $53.36
    Sale price $53.36 Regular price $61.57
  • EA A192, Seal Kit

    EA A192

    Call for Price
  • Seal Kit for CR 44445-AM Pump Assembly

    CR 44648-AM

    Call for Price
  • BT 22311, BT Seal Kit
    Up to $22.11 off

    BT 22311

    Regular price $58.93
    Sale price $58.93 Regular price $81.04
  • BT 11132, Seal Kit
    Up to $13.88 off

    BT 11132

    Regular price $64.00
    Sale price $64.00 Regular price $77.88
  • BT 10038, Seal Kit
    Up to $10.30 off

    BT 10038

    Regular price $40.41
    Sale price $40.41 Regular price $50.71
  • BT 10039, Seal Kit
    Up to $14.04 off

    BT 10039

    Regular price $50.39
    Sale price $50.39 Regular price $64.43
  • 220028078, CROWN SEAL KIT
    Up to $7.94 off

    220028078

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • 40177, INTERTHOR SEAL KIT
    Up to $16.96 off

    40177

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • MU 50265726, Seal Kit
    Up to $22.75 off

    MU 50265726

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • MG 153-TH, Magnum Seal Kit
    Up to $12.73 off

    MG 153-TH

    Regular price $29.92
    Sale price $29.92 Regular price $42.65
  • LF PR8577, Seal Kit, Ergo Lift

    LF PR8577

    Call for Price
  • LF 10279, Seal Kit (Ball and Valve Kit)
    Up to $8.22 off

    LF 10279

    Regular price $28.77
    Sale price $28.77 Regular price $36.99
  • KI 147, Seal Kit

    KI 147

    Call for Price
  • IN 170050, Seal kit for Thorklift (Double Mast)

    IN 170050

    Call for Price
  • HJ 153, Seal Kit
    Up to $12.73 off

    HJ 153

    Regular price $29.92
    Sale price $29.92 Regular price $42.65
  • GSK 525-1, SEAL KIT
    Up to $12.15 off

    GSK 525-1

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • CR 43023-TH, Crown Seal Kit
    Up to $7.94 off

    CR 43023-TH

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • BT 11131-SLIM, Slim Seal Kit
    Up to $7.08 off

    BT 11131-SLIM

    Regular price $49.55
    Sale price $49.55 Regular price $56.63
  • 5000-1199, ROL-LIFT SEAL KIT
    Up to $12.32 off

    5000-1199

    Regular price $56.59
    Sale price $56.59 Regular price $68.91
  • 00591-27378-81, Seal Kit for Toyota
    Up to $15.15 off

    00591-27378-81

    Regular price $33.72
    Sale price $33.72 Regular price $48.87
  • 800065185, BISHAMON SEAL KIT
    Up to $18.09 off

    800065185

    Regular price $31.80
    Sale price $31.80 Regular price $49.89
  • SK NF5500, Hydraulic Seal Kit for Manual Pallet Jacks - Fits Sinolift
    Up to $7.81 off

    SK NF5500

    Regular price $50.79
    Sale price $50.79 Regular price $58.60
  • LF 20280 (INCLUDES 20278 AND 2, Complete Seal Kit
    Up to $12.13 off

    LF 20280 (INCLUDES 20278 AND 2

    Regular price $54.73
    Sale price $54.73 Regular price $66.86
  • VJ 492, Seal Kit

    VJ 492

    Call for Price
  • UL 2188, Seal kit for Ultra ul2188

    UL 2188

    Call for Price
  • MU 74701-SLIM-PT, Slim Seal Kit
    Up to $7.41 off

    MU 74701-SLIM-PT

    Regular price $29.75
    Sale price $29.75 Regular price $37.16
  • MU 74701-SLIM-MP, Slim Seal Kit
    Up to $7.41 off

    MU 74701-SLIM-MP

    Regular price $29.75
    Sale price $29.75 Regular price $37.16
  • MU 07450465, Slim Seal Kit
    Up to $7.41 off

    MU 07450465

    Regular price $29.75
    Sale price $29.75 Regular price $37.16
  • LF 20250, Pump Piston Kit
    Up to $12.79 off

    LF 20250

    Regular price $21.55
    Sale price $21.55 Regular price $34.34
  • LF 10278-MP, Seal Kit
    Up to $14.01 off

    LF 10278-MP

    Regular price $37.64
    Sale price $37.64 Regular price $51.65
  • LA 3025, Seal Kit
    Up to $10.15 off

    LA 3025

    Regular price $43.73
    Sale price $43.73 Regular price $53.88
  • KI CB-SK, Seal Kit
    Up to $11.40 off

    KI CB-SK

    Regular price $37.19
    Sale price $37.19 Regular price $48.59
  • Up to $3.27 off

    JT PT2036-RV

    Regular price $21.27
    Sale price $21.27 Regular price $24.54
  • BT 11132-SLIM, Slim Seal Kit
    Up to $15.18 off

    BT 11132-SLIM

    Regular price $57.97
    Sale price $57.97 Regular price $73.15
  • AT PT2748W-84, Overload Valve Kit for Atlas -84
    Up to $13.48 off

    AT PT2748W-84

    Regular price $59.40
    Sale price $59.40 Regular price $72.88
  • AT 3025B, Seal Kit
    Up to $10.15 off

    AT 3025B

    Regular price $43.73
    Sale price $43.73 Regular price $53.88
  • 467-2003, BT SUPER SEAL KIT
    Up to $33.61 off

    467-2003

    Regular price $62.51
    Sale price $62.51 Regular price $96.12
  • 043023-SUPER, CR SUPER SEAL KIT
    Up to $13.40 off

    043023-SUPER

    Regular price $66.40
    Sale price $66.40 Regular price $79.80
  • 800064827, BLUE GIANT SEAL KIT
    Up to $13.44 off

    800064827

    Regular price $37.39
    Sale price $37.39 Regular price $50.83
  • 401866, ROL-LIFT SEAL KIT
    Up to $11.09 off

    401866

    Regular price $72.08
    Sale price $72.08 Regular price $83.17
  • 401529, PU SEAL KIT
    Up to $15.15 off

    401529

    Regular price $33.72
    Sale price $33.72 Regular price $48.87
  • 40193, BLUE GIANT SEAL KIT
    Up to $13.44 off

    40193

    Regular price $37.39
    Sale price $37.39 Regular price $50.83
  • 40189, Seal Kit for Manual Pallet Jack Hydraulic Units
    Up to $23 off

    40189

    Regular price $55.72
    Sale price $55.72 Regular price $78.72
  • 33909, BT SEAL KIT
    Up to $8.40 off

    33909

    Regular price $36.84
    Sale price $36.84 Regular price $45.24
  • 19507, BT SUPER SEAL KIT
    Up to $33.61 off

    19507

    Regular price $62.51
    Sale price $62.51 Regular price $96.12
  • BG 906-0102-TH, Seal Kit
    Up to $20.99 off

    BG 906-0102-TH

    Regular price $41.89
    Sale price $41.89 Regular price $62.88

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.