4N9539 Hydraulic Cartridges for Caterpillar Equipment

The 4N9539 is a hydraulic cartridge used in equipment manufactured by Caterpillar, including D379, D379B and D379A applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• D379 — industrial engine applications.
• D379B — industrial engine applications.
• D379A — ship equipment applications.
• D379B — ship equipment applications.

Cross-reference numbers

• 4N-9539
• 4N9539

Specifications