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.

  • CR 44648-SUPER, Seal Kit, Super
    Up to $27.11 off

    CR 44648-SUPER

    Regular price $56.57
    Sale price $56.57 Regular price $83.68
  • WE 270158, Seal Kit
    Up to $12.92 off

    WE 270158

    Regular price $35.33
    Sale price $35.33 Regular price $48.25
  • DA BK100, Hydraulic Seal Kit for Dayton Pallet Jacks
    Up to $8.85 off

    DA BK100

    Regular price $31.44
    Sale price $31.44 Regular price $40.29
  • PU AA-76-5000, Seal Kit
    Up to $15.15 off

    PU AA-76-5000

    Regular price $33.72
    Sale price $33.72 Regular price $48.87
  • MU 200064-901, Seal Kit
    Up to $22.75 off

    MU 200064-901

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • UE H-1043-BK100, Seal Kit (Includes Item Marked with an 'A' in Kit column)
    Up to $12.15 off

    UE H-1043-BK100

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • JT PT2748W-94, Seal Kit
    Up to $33.66 off

    JT PT2748W-94

    Regular price $58.00
    Sale price $58.00 Regular price $91.66
  • CR 44648, Seal Kit, Complete
    Up to $22.46 off

    CR 44648

    Regular price $47.05
    Sale price $47.05 Regular price $69.51
  • MU 200064-901-SUPER, Super Seal Kit
    Up to $23.51 off

    MU 200064-901-SUPER

    Regular price $68.00
    Sale price $68.00 Regular price $91.51
  • ML BK100, Seal Kit
    Up to $12.15 off

    ML BK100

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • BT 129883, Seal Kit
    Up to $22.11 off

    BT 129883

    Regular price $58.93
    Sale price $58.93 Regular price $81.04
  • CR 43023, Seal Kit
    Up to $7.94 off

    CR 43023

    Regular price $43.92
    Sale price $43.92 Regular price $51.86
  • CR 43023-SUPER, Seal Kit, Super
    Up to $13.40 off

    CR 43023-SUPER

    Regular price $66.40
    Sale price $66.40 Regular price $79.80
  • BI 52103704-SUPER, Super Seal Kit
    Up to $20.78 off

    BI 52103704-SUPER

    Regular price $49.72
    Sale price $49.72 Regular price $70.50
  • MU 74701-SLIM, Slim Seal Kit
    Up to $7.41 off

    MU 74701-SLIM

    Regular price $29.75
    Sale price $29.75 Regular price $37.16
  • BG 810-456, Seal Kit for Blue Giant ROI-5, ROI-55, MTS 2000
    Up to $13.44 off

    BG 810-456

    Regular price $37.39
    Sale price $37.39 Regular price $50.83
  • RL T5BOK, Seal Kit
    Up to $11.09 off

    RL T5BOK

    Regular price $72.08
    Sale price $72.08 Regular price $83.17
  • HL 99, Seal kit for Hu-Lift Model Hp25L
    Up to $12.41 off

    HL 99

    Regular price $34.45
    Sale price $34.45 Regular price $46.86
  • BI 52103704, Seal Kit (52103703)
    Up to $18.09 off

    BI 52103704

    Regular price $31.80
    Sale price $31.80 Regular price $49.89
  • MU 200178730, Seal Kit
    Up to $15.56 off

    MU 200178730

    Regular price $35.35
    Sale price $35.35 Regular price $50.91
  • BT 129883-SUPER, Super Seal Kit
    Up to $33.61 off

    BT 129883-SUPER

    Regular price $62.51
    Sale price $62.51 Regular price $96.12
  • RL T5BOK-F-SUPER, Super Seal Kit (For Foot Control Models)
    Up to $13.29 off

    RL T5BOK-F-SUPER

    Regular price $86.36
    Sale price $86.36 Regular price $99.65
  • VJ 66150, Seal Kit
    Up to $11.18 off

    VJ 66150

    Regular price $37.07
    Sale price $37.07 Regular price $48.25
  • WW 97-100, Dayton hydraulic seal kit for manual pallet jack 4YX97 & 5NP21
    Up to $12.15 off

    WW 97-100

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • DA PT2748W-94, O-Ring Seal Kit for Dayton Pallet Jacks

    DA PT2748W-94

    Regular price $58.00
    Sale price $58.00 Regular price
  • CR 819934, Hydraulic Seal Kit for Crown PTH50
    Up to $17.45 off

    CR 819934

    Regular price $54.64
    Sale price $54.64 Regular price $72.09
  • PC G090001, Seal Kit
    Up to $26.04 off

    PC G090001

    Regular price $23.69
    Sale price $23.69 Regular price $49.73
  • IN K-77, Seal Kit for Interthor K77
    Up to $16.96 off

    IN K-77

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • PU C-76, Seal Kit
    Up to $12.92 off

    PU C-76

    Regular price $35.33
    Sale price $35.33 Regular price $48.25
  • JT PT2748J-101-A, Seal Kit
    Up to $11.40 off

    JT PT2748J-101-A

    Regular price $37.19
    Sale price $37.19 Regular price $48.59
  • AT Z-2188, Complete Seal Kit

    AT Z-2188

    Call for Price
  • MO 12E155, Seal Kit
    Up to $12.15 off

    MO 12E155

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • JT PT2748J-101, Complete Seal Kit Includes parts marked with an 'A' in column 'Kit'
    Up to $11.40 off

    JT PT2748J-101

    Regular price $37.19
    Sale price $37.19 Regular price $48.59
  • PU AA-76-5000-PT, Seal Kit
    Up to $3.28 off

    PU AA-76-5000-PT

    Regular price $33.72
    Sale price $33.72 Regular price $37.00
  • MO 3025, Seal Kit
    Up to $10.15 off

    MO 3025

    Regular price $43.73
    Sale price $43.73 Regular price $53.88
  • CL 1808155, Seal Kit Includes parts marked with an 'A' in 'Kit' column
    Up to $12.15 off

    CL 1808155

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • JT PT2748A-101, Seal Kit for Jet PT2748A
    Up to $11.40 off

    JT PT2748A-101

    Regular price $37.19
    Sale price $37.19 Regular price $48.59
  • CR 41246, Seal Kit
    Up to $8.35 off

    CR 41246

    Regular price $46.57
    Sale price $46.57 Regular price $54.92
  • WE 270158-TH, Pallet Mule Seal Kit
    Up to $12.92 off

    WE 270158-TH

    Regular price $35.33
    Sale price $35.33 Regular price $48.25
  • JT PT2036-SK, Seal Kit for Jet PtW Series Pallet Jacks
    Up to $12.15 off

    JT PT2036-SK

    Regular price $31.44
    Sale price $31.44 Regular price $43.59
  • AT PT2748W-94, O-Ring & Seal Kit-Atlas EZ Lift-AtlasPT2748W-94, ATPT2748W-94
    Up to $33.66 off

    AT PT2748W-94

    Regular price $58.00
    Sale price $58.00 Regular price $91.66
  • CR 41246-SUPER, Seal Kit, Super

    CR 41246-SUPER

    Call for Price
  • MU 200064-901-TH, MULTITON SEAL KIT
    Up to $22.75 off

    MU 200064-901-TH

    Regular price $50.12
    Sale price $50.12 Regular price $72.87
  • BG 805-603-SUPER, Super Seal Kit
    Up to $19.41 off

    BG 805-603-SUPER

    Regular price $68.04
    Sale price $68.04 Regular price $87.45
  • RL T5BOK-TH, ROL-LIFT SEAL KIT
    Up to $11.09 off

    RL T5BOK-TH

    Regular price $72.08
    Sale price $72.08 Regular price $83.17
  • LF 10278-SUPER, Super Seal Kit (Includes 10278 and 10279)
    Up to $13.08 off

    LF 10278-SUPER

    Regular price $54.28
    Sale price $54.28 Regular price $67.36
  • MG 153-SUPER, Super Seal Kit

    MG 153-SUPER

    Call for Price
  • RL T5AOK, Seal Kit
    Up to $10.60 off

    RL T5AOK

    Regular price $68.95
    Sale price $68.95 Regular price $79.55

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.