Filter and sort
Heavy-Duty Main Hydraulic Pumps & High-Pressure Piston Pump Assemblies
Special Offers
-
705-52-30490 Hydraulic Pump fits for Komatsu WA500-3 WD500-3 WF550-3D WF550T-3
705-52-30490 Hydraulic Pump fits for Komatsu WA500-3 WD500-3 WF550-3D WF550T-3Part number: 705-52-30490Package Included: Gear Pump *1Application: fits for Komatsu WA500-3 WD500-3 WF550-3D WF550T-3 Condition:New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 1,199 -
705-52-31070 Hydraulic Pump fits for Komatsu Excavator PC750-6 PC750SE-6 PC800-6
705-52-31070 Hydraulic Pump fits for Komatsu Excavator PC750-6 PC750SE-6 PC800-6 Part number:705-52-31070 Package Included: New Hydraulic Pump*1 Application: fits for Komatsu Excavator PC750-6 PC750SE-6 PC800-6 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification...Regular price $ 868 -
705-52-32001 Hydraulic Pump fits for Komatsu Dump Trucks HD465-3 HD605-5
705-52-32001 Hydraulic Pump fits for Komatsu Dump Trucks HD465-3 HD605-5 Part number:705-52-32001 Package Included:New Hydraulic Pump*1Application: fits for Komatsu Dump Trucks HD465-3 HD605-5 Condition:New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 1,416 -
705-55-34180 7055534180 Hydraulic Pump For Komatsu WA350-3A-S WA380-3 WA350-3-X WA350-3A
This new aftermarket hydraulic pump assembly is designed as a direct replacement for Komatsu Wheel Loader WA350-3A-S WA380-3 series wheel loaders. Built to specifications, it delivers stable hydraulic performance and reliable operation in demanding jobsite conditions....Regular price $ 2,398 -
2pcs KFP51 Repair Kit Japan Double Pump Hydraulic Pump Gear Pump Repair Kit
2pcs KFP51 Repair Kit Japan Double Pump Hydraulic Pump Gear Pump Repair Kit Part number: KFP51 Package Included: Hydraulic Pump Gear Pump Repair Kit *1 Application: KFP51 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement:...Regular price $ 80 -
07431-11100 Hydraulic Pump fits for Komatsu Bulldozers D80A-12 D80P-12
07431-11100 Hydraulic Pump fits for Komatsu Bulldozers D80A-12 D80P-12 Part number:07431-11100 Package Included: Hydraulic Gear Pump*1 Application:for Komatsu Bulldozers D80A-12 D80P-12 Condition: New Aftermarket In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable...Regular price $ 529
If your excavator is struggling to lift loads or performing sluggishly on the job site, a worn replacement main hydraulic pump is likely the issue. As the primary power source for your machine's movements, a high-efficiency piston pump converts engine power into the high-pressure flow required for heavy digging and lifting. BeeSpareParts offers a wide range of K3V, K5V, and HPV series pumps specifically engineered for the high-intensity demands of construction and mining.
A failing main pump can often be a symptom of deeper system issues. To protect your investment, we highly recommend browsing our to eliminate contaminants that cause premature wear, or checking our for any internal leaks. If only small auxiliary functions are failing, consider inspecting your first. Our main pump assemblies are a cost-effective alternative to OEM units, featuring precision-ground internal components and rugged housings to restore your machine’s factory-spec performance.
Whether you need a Kawasaki-style pump for a Komatsu, a main pump for a Doosan, or a heavy-duty unit for a Hitachi excavator, our parts are rigorously factory-tested for pressure stability and ready for fast international shipping. Eliminate downtime and regain your digging power—upgrade to a premium hydraulic pump solution today.
Fits for:
-
Engine & Model Series: 6BT, 6CT, 6D102, 6D107, S6K, J05E, J08E, 4HK1, 6HK1.
-
Equipment Models: ZX, PC, SK, EC, EX series excavators, crawler cranes, and heavy-duty loaders.