Caterpillar 3387156 Seal Kit

Caterpillar 3387156 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-3387156. Catalog description: SK-P-UB-10-1-1/2x3.

Product Details

• Hercules part number: CTC-3387156
• Product type: Hydraulic cylinder seal kit
• Reference brand/application: Caterpillar
• Approximate weight: 0.307 lb
• Catalog data source: 2026 US Mobile Kit Catalog

Catalog Application Data

• Equipment type: Backhoe Loaders; Telehandlers
• Catalog page reference: 100, 102, 107, 108, 110, 112, 115, 116, 117, 118, 123, 126, 127, 128, 130, 131, 139, 140, 506

Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CTC-3387156. 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-3387156 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.