HERCULES
Caterpillar Sk100020 Seal Kit
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Caterpillar Sk100020 Seal Kit is a cylinder seal kit available from WQC Parts.
This listing uses Hercules part number CTC-SK100020. Catalog description: GK-I-SP-10-5.000 7.500x6.500 8.250.
Product Details
- Hercules part number: CTC-SK100020
- Product type: Hydraulic cylinder seal kit
- Reference brand/application: Caterpillar
- Approximate weight: 2.294 lb
- Catalog data source: 2026 US Mobile Kit Catalog
Catalog Application Data
- Equipment type: Motor Graders; Telehandlers
- Catalog page reference: 450, 514
Understanding This Seal Kit
- Catalog identification code: I-SP-10
- Wiper code I: insert wiper
- Rod seal code SP: special rod seal
- Piston seal code 10: piston seal
The code separates the wiper, rod-seal and piston-seal arrangements so you can compare them with the cylinder being repaired. A wiper helps exclude dirt at the rod entry; rod seals and piston seals fit different locations in the cylinder.
The Hercules catalog lists this code against CTC-SK100020. Match the kit reference to the original assembly; the code is an identification aid, not a complete packing list.
Fitment Verification
Before ordering, confirm the CTC-SK100020 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.