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Hydraulic & Pneumatic Parts for Heavy Equipment
Reliable hydraulic and pneumatic parts for heavy equipment
10,743 products available in this system
Balance Valve177Cartridge Valve44Check Valve222Control Levers Seal Kit192
Control Valve415Directional Valve30Grease Valve17
Hydraulic Overhaul Kits1Hydraulic Parts1Hydraulic Valve10
Joystick Pilot Valve95
Main & Relief Valve756Pilot Valve77Pilot Valve Pusher5Pusher47
Regulator Valve167Safety Valve14
Seal Kit6Self Reducing Valve11Steering Pump2
Control Levers Seal Kit4Hydraulic Auxiliary Parts3
Hydraulic Oil2Hydraulic Overhaul Kits2Hydraulic Parts5Power Steering Pump3Pusher9Seal Kit87Steering Pump130Swing Gearbox31Swing Machinery and Final Drive7Swing Machinery Spare Parts76
Swing Motor20Swing Motor Overhaul Kit77Travel Gear1Travel Gearbox213
Travel Motor12Travel Motor Overhaul Kit24Universal Joint44
Hydraulic & Pneumatic Parts for Heavy Equipment
The hydraulic system is the muscle of your heavy equipment. Moz Auto Parts provides high-quality aftermarket hydraulic components — from main pumps and motors to seal kits and control valves — to keep your machines operating at full capacity.
Frequently asked questions
How do I maintain my excavator's hydraulic system?
Key practices include: change hydraulic oil and filters at recommended intervals (typically 1,000-2,000 hours), maintain proper fluid levels, monitor oil temperature and color, fix leaks immediately, use only manufacturer-approved hydraulic fluid, and keep the system clean during any maintenance.
What causes hydraulic system failures?
The top causes are contaminated hydraulic fluid (80% of failures), overheating, improper fluid type, aeration (air in the system), and worn seals. Regular fluid analysis can detect problems before they cause catastrophic pump or motor failure.