HERCULES
Caterpillar 8C9144 Buffer Ring
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Caterpillar 8C9144 Buffer Ring 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-8C9144. Catalog description: 4.50in. CAT 2PC BUFFER.
Product Details
- Hercules part number: CTC-8C9144
- Product type: Hydraulic sealing or repair component
- Reference brand/application: Caterpillar
- Approximate weight: 0.144 lb
- Catalog data source: 2026 US Seal Catalog
Catalog Application Data
- Catalog section: Rod Buffer Seals
- Style / kit type: CATERPILLAR® SPECIFIC BUFFER SEALS - 2 PIECE
- Material / grade reference: BRONZE FILLED PTFE SEAL RUBBER ENERGIZER
- Temperature range: -40° TO +220° F
- Pressure range: 0 TO 5,000 PSI
- Speed reference: 12 FT/SEC
- Catalog page reference: 221
Use this product when your parts book, service manual, cylinder repair list, pump/motor breakdown, or existing component calls for CTC-8C9144. 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-8C9144 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.