Internation Harverster 1279399H91 Seal Kit

Internation Harverster 1279399H91 Seal Kit is a Hercules catalog product available from WQC Parts for hydraulic cylinder, seal kit, pump, motor, valve, and heavy-equipment repair applications.

This listing uses Hercules part number IH-1279399H91. Catalog description: M-SK-P-U-10-2.000x3.500.

Product Details

• Hercules part number: IH-1279399H91
• Product type: Hydraulic cylinder seal kit
• Reference brand/application: International Harvester
• Approximate weight: 0.159 lb
• Catalog data source: 2026 US Mobile Kit Catalog

Catalog Application Data

• Equipment type: Excavators
• Model or series reference: 650/1
• Catalog page reference: 655

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for IH-1279399H91. It is intended to help restore sealing performance, reduce leakage, and support reliable equipment repair when correctly matched to the application.

Fitment Verification

Before ordering, confirm the IH-1279399H91 reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.