Interthor Seal Replacement Kits

Find OEM and aftermarket replacement parts for Interthor pallet trucks and material handling equipment. Interthor pallet jacks are used across warehouse, distribution, and light manufacturing environments, and are supported by a range of hydraulic, wheel, and structural replacement components.

Compatible Interthor models include: Standard manual pallet truck series and heavy-duty models. Parts are matched by model number and serial number range for verified fitment.

Parts categories available:

  • Load Wheels & Steer Wheels — polyurethane and nylon replacements in standard Interthor sizes
  • Hydraulic Pump Units & Seal Kits — complete pump assemblies and rebuild kits for lift and lower function
  • Load Wheel Kits — complete axle kits with wheel, axle, bearings, and hardware
  • Axles, Pins & Hardware — load axles, cotter pins, and frame fasteners
  • Steer Wheel Pins — replacement pins and hardware for steer wheel assemblies

How to identify the right Interthor part: Locate the model number and serial number on the data plate, typically on the frame near the pump. Use the model filter above or search by part number to find compatible parts. Interthor components often cross-reference to standard OEM pump and wheel specifications.

With 240+ Interthor-compatible SKUs in stock, most orders ship same or next business day from our US warehouse.

  • 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
  • IN 100045, Seal Kit

    IN 100045

    Regular price $200.00
    Sale price $200.00 Regular price $157.83
  • IN K-77-TH, Interthor hydraulic seal kit for K77 and K85
    Up to $16.96 off

    IN K-77-TH

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • 40177, INTERTHOR SEAL KIT
    Up to $16.96 off

    40177

    Regular price $70.18
    Sale price $70.18 Regular price $87.14
  • IN 170050, Seal kit for Thorklift (Double Mast)

    IN 170050

    Call for Price
  • IN 100044

    Call for Price
  • GSK 521, Interthor LX Hydraulic Seal Kit for Pallet Jacks
    Up to $5.03 off

    GSK 521

    Regular price $78.74
    Sale price $78.74 Regular price $83.77

Interthor Seal Replacement Kits — fitment by model

Fits models Part # Wheel size Bore Price
K77, K85, Thork IN K-77 $70.18
LX IN 100045 $200.00
K77, K85 IN K-77-TH $70.18
LX Series 40177 $70.18
Thorklift IN 170050 Call
LX GSK 521 $78.74

Not sure which fits? Call 1-800-669-7554.