Excavator Parts Spotlight: Keeping Your Caterpillar & Mitsubishi Machines Running Strong - March 9, 2025
Essential Excavator Components for Peak Performance
For businesses relying on heavy machinery, downtime is not an option. At Growshine International, we understand the critical need for reliable, high-quality replacement parts to keep your operations running smoothly. We are a leading provider in the import and export trade of engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts. This spotlight focuses on a range of premium aftermarket parts designed for Caterpillar (CAT) and Mitsubishi engine excavators, ensuring your equipment maintains optimal performance and longevity.
Lighting & Electrical
24V 65W Flood Lamp 5I-8250 153-2523: Powerful illumination for Caterpillar CAT Excavator models E325B, E320C, E325, and E320, ensuring safe and efficient operation in low-light conditions.
Water Temperature Sensor 128-8945: Critical for monitoring engine temperature in Caterpillar CAT Engine models 3066, C13, C18, and C9, used in Excavators 307C, 308D, and 323D.
Temperature Sensor 108-3190: Durable sensor compatible with Caterpillar CAT Engine models 3408, 3512, 3412, and 3208, and Excavator 307, also suitable for Compactor PS-150B.
Engine Thermostats
Thermostat 51-8010 51-7700: Specifically designed for Mitsubishi Engine S6K used in Caterpillar CAT Excavators E320C and E200B, regulating engine temperature for optimal efficiency.
Thermostat 111-8010: Ideal for Caterpillar CAT Engine models 3304, 3306, and 1673C, found in Excavators 235, 330, 350, W330B, and E300, ensuring consistent engine temperature.
Thermostat 324-4128 3244128: Compatible with Caterpillar CAT Engine models C6.4, 3066, and C4.2 in Excavators 312D, 320D, and 313D, maintaining optimal thermal management.
Thermostat 120-9453: Robust thermostat for high-performance Caterpillar CAT Engine models 3608, 3606, 3612, and 3616, used in Excavators 345B and 365B, and 345BL.
Bushings & Bearings
Boom Cylinder Bushing 114-0600: Heavy-duty bushing for Caterpillar CAT Excavators 350 and 375 L, ensuring smooth boom cylinder operation.
Boom Cylinder Bushing 096-4402: Durable bushing for Caterpillar CAT Excavators 318B, 320, 320D2, 320E, 321B, 321C, 322C, 323, 323D, 323D2, 340, and 352, providing reliable boom performance.
Boom Stick Sleeve Bearing Bushing 489-3008: Precision-engineered bushing for Caterpillar CAT Excavator 323, ensuring optimal stick boom movement.
Boom Bushing 234-3811: High-quality bushing compatible with Caterpillar Excavators CAT 325C, 325D, 328D, and 329D, enhancing boom stability.
Cylinder Bushing 140-5169: Reliable bushing for smaller Caterpillar CAT Excavator models 302.5, 303, 303.5E, 304, 304E, 305, 305E, 306, and 306E, ensuring smooth cylinder function.
Swing Cylinder Bushing 274-4274: Robust bushing for Caterpillar CAT Excavators 416D, 420D, 422E, 424D, 428D, 430D, 432F, 434F, 442D, 444E, 517, and 527, supporting smooth swing motion.
1 PC Boom Cylinder Bushing 265-8726: Specific bushing for Caterpillar CAT Excavators 304C, 305.5D, 305.5E, 305C, 305D, and 305E, designed for boom cylinder applications.
Bucket Linkage Bushing 240-2912: Durable bushing for Caterpillar CAT models 312C, 322C, 323D, 325C, 324D, 320, 340, 325, 325B, 325L, 325BL, and 325CL, ensuring robust bucket linkage.
1 PC Boom Sleeve Bearing Bushing 241-9999: Sleeve bearing bushing for Caterpillar CAT Excavators 315C, 315D, 318C, and 319C, supporting boom sleeve mechanisms.
Sleeve Bearing Bushing 240-2913: Versatile bushing for Caterpillar CAT models E320, E320B, 312D, 320B, 312E, 313D, 324D325, 323, 330C, and 345B, suitable for various applications.
Sleeve Bearing Bushing 195-0103: Bearing bushing for Caterpillar CAT Excavators 311C, 312C, 312CL, and 314C, ensuring smooth operation.
Boom Stick Bushing 240-2917: Stick boom bushing for Caterpillar CAT Excavators 320C, 320D, M325C, and M330D, enhancing stick boom performance.
Sleeve Bearing Bushing 229-1096: Bearing bushing for Caterpillar CAT models 315, 315B, 315C, 315L, 315BL, 315CL, 320, and 320B, suitable for various bearing applications.
Sleeve Bearing Bushing 228-5614: Bearing bushing for Caterpillar CAT models 315, 315B, 315C, 315L, 315BL, and 315CL, ensuring smooth mechanical operation.
Sleeve Bearing Bushing 137-2817: Heavy-duty bushing for Caterpillar CAT Excavators 322B, 325, 325B, 330, 330B, 345B, 350, 365B, 375, 385B, M325B, and W345B, designed for robust performance.
Sleeve Bearing Bushing 229-1091: Bearing bushing for Caterpillar CAT Excavators E110B, E120B, 311, 311B, 311C, and 312, suitable for various bearing locations.
30X40X40mm Bucket Bushing: Standard size bucket bushing for Caterpillar CAT Excavator 301 Series, ensuring proper bucket articulation.
Camshaft Bearing 116-1359: Precision camshaft bearing for Caterpillar CAT Engine models 3508, 3512, and 3516, used in Excavators 5130 and 5230, ensuring smooth camshaft rotation.
Fuel & Oil Systems
Fuel Injector 188-8739: High-performance fuel injector for Caterpillar CAT Engine C-9 and C9 in Excavators E330C and 330C, optimizing fuel delivery.
Fuel Injector 320-2940: Fuel injector for Caterpillar CAT Engine C6.6 in Excavator M322D, ensuring efficient combustion.
Fuel Injection Pump 279-7861 10R-7657: Reliable fuel injection pump for Caterpillar CAT Engine 3066 and C6.4 in Excavators 320C, 320D, 321C, and 323D L, ensuring consistent fuel pressure.
Fuel Injection Pump 319-0670: Fuel injection pump for Caterpillar CAT Engine C7 and C9 in Excavator E330D, providing dependable fuel delivery.
Fuel Pump 292-3751 2923751: Fuel pump for Caterpillar CAT Engine C6.6, C6.4, 3066, and C4.2, ensuring proper fuel supply.
Fuel Injector Sleeve 119-3061: Injector sleeve for Caterpillar CAT Engine models 3114, 3116, and 3126 in Excavators M320, 320B, 322C, and 325L, protecting fuel injectors.
Hydraulic Oil Tank Cover 193-2768: Oil tank cover for Caterpillar CAT Engine 3066 in Excavators 318C, 318CL, 319C, 319CLN, 320C, 320CL, 320CU, 320CLU, E312B, E325, E320, and E320B, sealing hydraulic systems.
Oil Pump 7W-2554: Oil pump for Perkins Engine 4.236 used in Caterpillar CAT Excavators 211 and 212, ensuring proper engine lubrication.
Connecting Rod 5I-7668: Connecting rod for Caterpillar CAT Engine 3064, 3066, C6.4 Excavator 311C, 312C, 319C, 320C, 321C, 323DL.
Poilt Gear Pump 173-1203: Pilot gear pump for Caterpillar CAT Excavator 311, 311D, 312C, 312CL, 313D, 314C, 314D, 315C, 315CL, 315DL, 318DL, 319D, 319DL.
Uchida Rexroth A10VD43 Gear Pump 107-6916: Gear pump for Caterpillar CAT Engine 3054 Excavator E70B, 307, 307B, 307C, 308C.
Hydraulic Pump 283-6116: Hydraulic pump for Caterpillar CAT Excavator 330D M330D.
Travel Gearbox With Motor 378-9568: Travel gearbox with motor for Caterpillar CAT Excavator 330F 30D2 L 329D 329E 329D2 L.
Travel Gearbox With Motor 441-3011: Travel gearbox with motor for Caterpillar CAT Excavator 320D2 E320D2 323D2.
Coupling Assembly With Hub 255-2945: Coupling assembly with hub for Caterpillar CAT Engine 3126B 3126 Excavator 322C 325C E325C E322C.
Hydraulic Solenoid Valve 449-1636: Hydraulic solenoid valve for Caterpillar CAT Engine C1.1 Excavator 301.6.
Valves & Controls
Foot Pilot Valve for Caterpillar CAT Excavator E320B E312B E325B E330B: Precise foot pilot valve for Caterpillar CAT Excavators E320B, E312B, E325B, and E330B, enabling accurate control.
A Pair Foot Pilot Valve Foot Pedal Joystick Control Valve Foot for Caterpillar CAT Excavator E200B E320 E320L: Foot pedal joystick control valve pair for Caterpillar CAT Excavators E200B, E320, and E320L, providing enhanced operator control.
Travel Pilot Valve Foot for Volvo Caterpillar Komatsu Hitachi Daewoo Excavator: Versatile travel pilot valve foot compatible with various excavator brands including Volvo, Caterpillar, Komatsu, Hitachi, and Daewoo.
Foot Pilot Valve for Caterpillar CAT Excavator E320C E312C E325C E330C: Foot pilot valve for Caterpillar CAT Excavators E320C, E312C, E325C, and E330C, ensuring precise pilot control.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT 325: Main valve seal kit for Caterpillar Excavator CAT 325.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT E70B: Main valve seal kit for Caterpillar Excavator CAT E70B.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT E200B: Main valve seal kit for Caterpillar Excavator CAT E200B.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT E311: Main valve seal kit for Caterpillar Excavator CAT E311.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT E330C: Main valve seal kit for Caterpillar Excavator CAT E330C.
Hydraulic Main Valve Seal Kit for Caterpillar Excavator CAT 312: Main valve seal kit for Caterpillar Excavator CAT 312.
Main Valve Seal Kit for Caterpillar Excavator CAT E70B: Main valve seal kit for Caterpillar Excavator CAT E70B.
Filters & Kits
Filter Kit for Mitsubishi Engine S4KT Caterpillar CAT Excavator E312 312: Comprehensive filter kit for Mitsubishi Engine S4KT used in Caterpillar CAT Excavators E312 and 312, maintaining engine cleanliness.
Filter Kit for Caterpillar CAT Excavator E320 320: Complete filter kit for Caterpillar CAT Excavators E320 and 320, ensuring optimal filtration.
Filter Kit for Caterpillar CAT Excavator E305.5E E306E E307E: Filter kit for Caterpillar CAT Excavators E305.5E, E306E, and E307E, maintaining system purity.
Filter Kit for Caterpillar CAT Excavator E312C 312C 315C: Filter kit for Caterpillar CAT Excavators E312C, 312C, and 315C, ensuring clean operation.
Filter Kit for Caterpillar CAT Engine 3126 Excavator E325C 325CL: Filter kit for Caterpillar CAT Engine 3126 used in Excavators E325C and 325CL, maintaining engine health.
Filter Kit for Caterpillar CAT Excavator E330C 330C: Filter kit for Caterpillar CAT Excavators E330C and 330C, ensuring system protection.
Filter Kit for Caterpillar CAT Engine C9 Excavator E336D 336D: Filter kit for Caterpillar CAT Engine C9 used in Excavators E336D and 336D, maintaining engine performance.
Filter Kit ME014833 ME006066 for Mitsubishi Engine 4D32 Caterpillar CAT Excavator E70B: Filter kit ME014833 ME006066 for Mitsubishi Engine 4D32 used in Caterpillar CAT Excavator E70B.
Filter Kit for Mitsubishi Engine 4D32 Caterpillar CAT Excavator E70B: Filter kit for Mitsubishi Engine 4D32 Caterpillar CAT Excavator E70B.
Rollers & Tracks
Track Roller 8E-5034 348-1867: Durable track roller for Caterpillar CAT Engine C7.1, C4.4, C4.2, C6.4, C6.6, C7, 3054C, 3116, 3066, and C7, suitable for Excavator models.
Track Roller 234-9092 139-6261: Track roller for Caterpillar CAT Excavators 301.5, 301.6, and 301.8, and E301.5, ensuring smooth track movement.
Top Roller 172-1764 1721764: Top roller for Caterpillar CAT Excavators 304.5, 305CR, 304CR, and 305.5, supporting track stability.
Carrier Roller 102-8076 1028076: Carrier roller for Caterpillar CAT Engine 3054 used in Excavators 307 and 307B, supporting track chain.
Mounting & Hardware
4 Pcs Mounting Rubber Cushion 109-9369: Rubber cushion set for Caterpillar CAT Engine 3116 and C7 in Excavator 318C, 320B, 322C, and 325C, reducing vibration.
1 Set Mounting Rubber Cushion 118-9935 118-9936: Mounting rubber cushion set for Caterpillar CAT Engine 3046 in Excavators 311B, 312B, 315B, 317BL, and 318B, minimizing vibration and noise.
50A Rubber Coupling PAT 778322: Rubber coupling PAT 778322 for Caterpillar CAT E120B E312B E311 Kobelco SK120 Sumitomo SH200 S265 S260.
Timer Control Assembly 266-6936: Timer control assembly for Caterpillar CAT Mini Excavator 303.5C 303.5D 303C CR 304C CR 304D CR 305.5 305.5D 305C CR 305D CR 306.
Growshine International is your reliable partner for premium aftermarket excavator parts. We specialize in providing a wide range of components for construction machinery, heavy trucks, agricultural machinery, and automobiles. Contact us today to learn more about how we can support your parts needs and keep your equipment operating at its best.
Glossary of Excavator Parts
Fuel Injector (燃油喷油器)
A component in diesel engines that sprays fuel into the combustion chamber. (安装在柴油发动机上，将燃油喷射到燃烧室的部件). Example: Fuel Injector 188-8739 for CAT C9 Engine.Thermostat (恒温器)
A temperature-sensitive valve that regulates coolant flow to maintain engine operating temperature. (一种温度敏感阀，用于调节冷却液流量以维持发动机工作温度). Example: Thermostat 111-8010 for CAT 3306 Engine.Bushing (衬套)
A type of plain bearing that is used to reduce friction and wear within machinery joints. (一种滑动轴承，用于减少机械接头内的摩擦和磨损). Example: Boom Cylinder Bushing 114-0600 for CAT 375L Excavator.Sleeve Bearing (套筒轴承)
A cylindrical plain bearing that supports rotating or sliding motion. (一种圆柱形滑动轴承，用于支撑旋转或滑动运动). Example: Sleeve Bearing Bushing 229-1096 for CAT 315 Excavator.Fuel Pump (燃油泵)
A device that pumps fuel from the fuel tank to the engine. (一种将燃油从油箱泵送到发动机的装置). Example: Fuel Pump 292-3751 for CAT C6.6 Engine.Hydraulic Pump (液压泵)
A pump that converts mechanical power into hydraulic energy. (一种将机械能转换为液压能的泵). Example: Hydraulic Pump 283-6116 for CAT 330D Excavator.Filter Kit (滤清器套件)
A set of filters designed to maintain fluid cleanliness in engines and hydraulic systems. (一套旨在保持发动机和液压系统流体清洁度的过滤器). Example: Filter Kit for CAT E320 Excavator.Track Roller (履带滚轮)
A roller in the undercarriage of tracked equipment that supports the machine's weight and guides track movement. (履带设备底盘中的滚轮，用于支撑机器重量并引导履带运动). Example: Track Roller 8E-5034 for CAT C7 Engine.Pilot Valve (先导阀)
A valve that controls the flow of pilot pressure to operate larger hydraulic valves. (一种控制先导压力流量以操作更大液压阀的阀门). Example: Foot Pilot Valve for CAT E320B Excavator.Camshaft Bearing (凸轮轴轴承)
A bearing that supports the camshaft in the engine, allowing it to rotate smoothly. (一种支撑发动机凸轮轴的轴承，使其平稳旋转). Example: Camshaft Bearing 116-1359 for CAT 3508 Engine.
Common Sense Questions about Excavator Parts
Q: How often should I replace excavator filters? (挖掘机滤清器应该多久更换一次？)
A: Filter replacement frequency depends on operating conditions and manufacturer recommendations, but generally, engine oil filters should be changed every 250-500 hours, hydraulic filters every 500-1000 hours, and air filters as needed, or every 500 hours in dusty environments. (滤清器的更换频率取决于运行条件和制造商的建议，但通常来说，发动机机油滤清器应每250-500小时更换一次，液压滤清器每500-1000小时更换一次，空气滤清器根据需要或在多尘环境中每500小时更换一次。)Q: What are the signs of a failing fuel injector in an excavator? (挖掘机燃油喷油器故障的迹象是什么？)
A: Signs include reduced engine power, poor fuel economy, rough idling, black smoke from the exhaust, and engine misfires. (迹象包括发动机功率下降、燃油经济性差、怠速不稳、排气管冒黑烟以及发动机失火。)Q: Why is it important to maintain proper engine temperature in an excavator? (为什么保持挖掘机发动机的适当温度很重要？)
A: Maintaining proper engine temperature ensures optimal combustion efficiency, reduces wear and tear on engine components, and prevents overheating, which can lead to serious engine damage. (保持适当的发动机温度可确保最佳燃烧效率，减少发动机部件的磨损，并防止过热，过热会导致严重的发动机损坏。)
Growshine International: Your Partner in Parts Supply
At Growshine International (格莳国际), we are committed to providing our clients with top-tier engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts. Our extensive catalog includes high-quality replacement parts for major brands like Caterpillar and Mitsubishi. We specialize in import and export trade, ensuring competitive pricing and efficient delivery worldwide. Partner with us for reliable parts solutions that keep your operations running smoothly and efficiently. We are dedicated to building long-term relationships with our clients by providing exceptional products and customer service.
Troubleshooting: Excavator Overheating - Thermostat Failure
Problem: Excavator Engine Overheating
Description: The excavator engine temperature gauge is reading high, steam may be visible, and the engine may be losing power or stalling. This is a critical issue that can lead to severe engine damage if not addressed promptly.
Possible Cause: Thermostat Failure. A common cause of excavator overheating is a malfunctioning thermostat. If the thermostat is stuck closed, it will prevent coolant from circulating through the radiator, leading to rapid engine overheating.
Solution: Thermostat Check and Replacement
Safety First: Turn off the engine immediately and allow it to cool down completely before attempting any inspection or repairs. Working on a hot engine can cause severe burns.
Check Coolant Level: Once cooled, carefully check the coolant level in the radiator and expansion tank. Low coolant can contribute to overheating, but if the thermostat is the issue, refilling coolant alone won't solve the problem.
Locate Thermostat Housing: Identify the thermostat housing, usually located where the upper radiator hose connects to the engine.
Inspect Thermostat: Carefully remove the thermostat housing (refer to the excavator's service manual for specific instructions). Remove the thermostat and inspect it. A faulty thermostat may appear stuck in the closed position or show signs of damage.
Test Thermostat (Optional): You can test the thermostat by placing it in a container of hot water. A functional thermostat should begin to open at its specified temperature.
Replace Thermostat: If the thermostat is faulty, replace it with a new, compatible thermostat (e.g., Thermostat 51-8010 for Mitsubishi S6K). Ensure the new thermostat is correctly oriented when installed.
Refill Coolant and Bleed System: Refill the cooling system with the correct type and amount of coolant. Bleed the system to remove any air pockets, following the manufacturer's guidelines.
Test Run: Start the engine and monitor the temperature gauge closely. Ensure the temperature stabilizes at the normal operating range and that there are no signs of overheating.
Preventive Maintenance: Regularly inspect and flush the cooling system and replace the thermostat at recommended intervals to prevent overheating issues and ensure optimal engine performance.
