NEW HYDRAULIC PUMP CARTRIDGE for Caterpillar 3G7663, 7J0558, 5J5070


Product Overview

Experience superior performance and reliability with our brand new **hydraulic pump cartridge**, specifically engineered as a direct replacement for Caterpillar part numbers **3G7663, 7J0558, and 5J5070**. This high-quality cartridge is designed to restore your hydraulic system's efficiency and power, ensuring your equipment operates at its peak.

Product Parameters

  • Part Numbers: Replaces Caterpillar 3G7663, 7J0558, 5J5070

  • Type: Hydraulic Pump Cartridge

  • Condition: Brand New

  • Material: High-grade alloy steel and precision-machined components

  • Durability: Designed for extended service life under demanding conditions

  • Compatibility: Engineered for seamless fit and function with specified Caterpillar equipment

Key Advantages and Selling Points

  • Precision Engineered: Manufactured to exacting standards to ensure perfect fit and optimal performance, meeting or exceeding OEM specifications.

  • Enhanced Durability: Constructed from robust materials, offering exceptional resistance to wear, corrosion, and high-pressure environments, leading to a longer operational lifespan.

  • Optimized Efficiency: Restores your hydraulic system's original power and responsiveness, improving overall machine productivity and reducing energy consumption.

  • Cost-Effective Solution: Provides a high-quality, reliable alternative to expensive OEM replacements, offering significant savings without compromising on quality.

  • Easy Installation: Designed for straightforward replacement, minimizing downtime and getting your equipment back to work faster.

  • Free Delivery: Enjoy the convenience of free delivery directly to your location, saving you time and money.

Applicable Equipment

This hydraulic pump cartridge is ideal for a wide range of **Caterpillar heavy machinery and industrial equipment** that utilize part numbers 3G7663, 7J0558, or 5J5070. This includes, but is not limited to, various models of:

  • Caterpillar Wheel Loaders (e.g., 966C, 988B)

  • Caterpillar Track-Type Tractors/Dozers (e.g., D8K, D9H)

  • Caterpillar Motor Graders (e.g., 14G, 16G)

  • Caterpillar Scrapers (e.g., 621B, 631D)

  • Caterpillar Excavators (specific models should be cross-referenced with part numbers)

Application Scenarios and Case Studies

The hydraulic pump cartridge plays a critical role in the operation of heavy equipment by converting mechanical power into hydraulic energy, enabling various functions such as lifting, steering, and braking. Its failure can lead to significant operational disruptions.

Common Application Scenarios:

  • Construction Sites: Maintaining the power and precision of excavators, loaders, and dozers for earthmoving, material handling, and grading.

  • Mining Operations: Ensuring the robust performance of large-scale equipment for ore extraction and transportation.

  • Agriculture: Powering heavy-duty tractors and other farm machinery for plowing, harvesting, and irrigation.

  • Forestry: Enabling the efficient operation of logging and timber handling equipment.

Case Study: Restoring a Caterpillar 966C Wheel Loader

A construction company reported that their Caterpillar 966C wheel loader was experiencing slow and weak hydraulic responses, significantly impacting its loading capabilities. Diagnostics revealed a worn-out hydraulic pump cartridge (originally 7J0558). By replacing it with our new, compatible hydraulic pump cartridge, the loader's hydraulic system was fully restored. The machine regained its original lifting speed and power, leading to an immediate improvement in operational efficiency and a reduction in project completion times. This replacement not only saved the company on expensive OEM parts but also minimized equipment downtime, proving the cost-effectiveness and reliability of our product.

Related Products

We offer a comprehensive range of hydraulic pump cartridges and related components for various Caterpillar models and other heavy equipment brands. Here are a few similar products you might find useful:

  • Hydraulic Pump Cartridge for Caterpillar 4T-7157: Compatible with select Caterpillar excavators and track-type tractors, often used in digging and dozing applications.

  • Hydraulic Pump Cartridge for Komatsu 705-11-30010: Designed for Komatsu dozers and wheel loaders, essential for their powerful hydraulic systems in various construction and mining tasks.

  • Replacement Hydraulic Filters: Essential for maintaining the longevity and efficiency of your new pump cartridge by preventing contamination. Applicable across a wide range of hydraulic systems.

  • Hydraulic Seals and Gasket Kits: Crucial for ensuring a leak-free installation and optimal performance of any hydraulic component, suitable for various hydraulic pump rebuilds.

Common Installation & Maintenance Issues and Solutions

Proper installation and regular maintenance are crucial for the longevity and performance of your hydraulic pump cartridge. Here are common issues and their solutions:

  • Issue: Contamination in the Hydraulic System.            
    Solution: Before installing the new cartridge, thoroughly flush the hydraulic system to remove old oil, debris, and contaminants. Replace all hydraulic filters and ensure the new oil meets the manufacturer's specifications.

  • Issue: Incorrect Installation/Sealing.            
    Solution: Always refer to the equipment's service manual for specific installation instructions. Ensure all seals and O-rings are correctly seated and undamaged. Tighten fasteners to the specified torque settings to prevent leaks and ensure proper alignment.

  • Issue: Air in the System after Installation.            
    Solution: After installation, bleed the hydraulic system according to the manufacturer's guidelines to remove any trapped air. This prevents cavitation, which can damage the pump.

  • Issue: Overheating of the Hydraulic System.            
    Solution: Check the hydraulic fluid level and quality regularly. Ensure the hydraulic cooler is clean and free of obstructions. Verify that the system relief valves are functioning correctly to prevent excessive pressure buildup.

  • Issue: Premature Wear/Failure.            
    Solution: Adhere to recommended maintenance schedules, including regular oil changes and filter replacements. Use only high-quality hydraulic fluid. Monitor system pressure and temperature to identify potential issues early.


Column 1Column 2Column 3Column 4Column 5Column 6Column 7Column 8Column 9
10029613G21953G28064J17814K46346J15787J05761U22206E6666
10029613G21963G28074J17824K48356J15797J05771U22217J0583
10134513G21973G28324J24014T04166J21867J05781U39699J5048
10805023G21983G28334J24604T04176J31387J05803G46019J5049
12435033G21993G28344J24614T04226J66147J05813G68469J5050
12435043G22003G28354J34474T18936J73917J08803G74129J5053
13648153G22013G28364J35384T20086J76257J13973G76379J5056
15550913G22333G28374J47074T26266J76307J17803G76389J5061
1U35063G22343G28754J51284T31966J76357J19213G76399J5070
1U35073G22353G28894J67904T68696J79387J39783G76409J5080
1U35083G22363G76514J68435J01007J05527J39794D46619J5082
1U35133G22373G76524J74745J01017J05537J55674T05099J5083
1U05323G22383G76534J79485J09257J05547J74164T68479T0486
1U26523G22393G76544J79495J12517J05557J79624T69149T3866
1U26643G22433G76554J84485J36467J05567J79635U05579T6123
1U26653G27173G76564J84785J45027J05577J79646E20639T7916
1U26663G27183G76574J84795J48947J05587J79666E20641003414
1U26673G27193G76584J84805J50707J05597J79676E29281043128
1U26683G27203G76594J84835J59247J05607J79686E29291052155
1U26693G27213G76604J84845J62177J05618J20606E29301050636
1U26703G27223G76614J84855J75177J05628J62936E29311206744
1U26713G27233G76624J84895J87647J05638J87166E47181212501
1U35053G27463G76634J84905J98527J05649J04736E47301314099
1U35193G27473G76644J84916507107J05659J07396E55391214019
1U39523G27483G76654J84926E23877J05669J48636E58311214313
1U39533G27493G76664J84936E23967J05689J78906E62661214512
3G12663G27503G76674J84946E42587J05699J78916E64181236765
3G12673G27513K79434J84956E42697J05709J78926E64761238509
3G12683G27523K83014J84966E47197J05719J98526E64821287228
3G12693G28013K89264J84976J00507J05729N99106E64831570956
3G12703G28024J09904J89336J11017J05739T16976E65591629207
3G12713G28034J1310141791614650747J05749T220014650761914610
3G21943G28044J14014K19446J15437J05759T5336

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