Caterpillar 1140753 Seal Kit

Caterpillar 1140753 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-1140753. Catalog description: RB-STL/PTF-70x75x40.

Product Details

• Hercules part number: CTC-1140753
• Product type: Hydraulic cylinder seal kit
• Reference brand/application: Caterpillar
• Approximate weight: 0.5 lb
• Catalog data source: 2026 US Mobile Kit Catalog

Catalog Application Data

• Equipment type: Excavators
• Catalog page reference: 190, 193, 194, 197, 198, 199, 200, 202, 203, 205, 208, 226, 239, 240, 241, 255, 257

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CTC-1140753. 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-1140753 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.