Caterpillar 1328811 Seal Kit

Caterpillar 1328811 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 CTC-1328811. Catalog description: 2-1/2 X 4-3/4.

Product Details

• Hercules part number: CTC-1328811
• Product type: Hydraulic cylinder seal kit
• Reference brand/application: Caterpillar
• Approximate weight: 0.393 lb
• Catalog data source: 2026 US Mobile Kit Catalog

Catalog Application Data

• Equipment type: Crawler Dozers; Forestry - Tree Harvesters; Loaders - Wheel; Skidders; Telehandlers
• Catalog page reference: 152, 155, 173, 349, 350, 406, 412, 479, 487, 492

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CTC-1328811. 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 CTC-1328811 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.