High-Quality Caterpillar CAT Engine Parts for Your Machines - March 15, 2025

Growshine International offers a comprehensive selection of durable and reliable Caterpillar CAT engine parts to keep your construction, heavy truck, agricultural, and automotive equipment running smoothly.

Fuel Injectors

6 Pieces Fuel Injector Nozzle 7S-9891 7S-8722 8N-4694 8N-8796 9L-6884 for Caterpillar CAT Engine 3406 3408 3412 3304 3306 1673C

4 Pieces Fuel Injector 315-4672 for Caterpillar CAT Engine 3044C C3.4 Loader 236B2 236B3 242B3 246C 252B 252B2 257B3 259B3 262C2 279C2 287C2 289C2 906H 907H

6 Pcs Fuel Injector 0R-8684 127-8218 for Caterpillar CAT Engine 3116 3126 Loader 950G 960F 962G

6 Pcs Fuel Injector 387-9428 for Caterpillar CAT Engine C7 Wheel Loader 962H 950H

6 Pcs Fuel Injector 177-4752 for Caterpillar CAT Engine 3126B 3126E Loader 953C 963C

6 Pcs Fuel Injector 107-3651 10R-7589 for Caterpillar CAT Engine 3046 Loader 933 933C Tractor D3C D4C

6 Pieces Fuel Injector 107-3648 106-8268 10R-7588 for Caterpillar CAT Engine 3046 Excavator 315 315B

6 Pcs Fuel Injector 295-1411 387-9427 for Caterpillar CAT Engine C7 C9 Excavator 324D 325D 325DFM 326DL 328DLCR 329D

Fuel Injector 20R-0055 for Caterpillar CAT Engine C10 3176C Loader 966G II

Fuel Injector 20R-0056 for Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B

Fuel Injector 129-1351 for Caterpillar CAT Engine 3406 3406C 3408 3408C 3412 3412C Loader 980C 980F 980G 980G II

Fuel Injector 359-4080 20R-1299 for Caterpillar CAT Engine C13 Tractor 621H 623H 627H

Fuel Injector 244-7715 253-0615 for Caterpillar CAT Engine 3406 C15 C-15 C18 C27 C32 Excavator 365C 365CL 374DL

4 Pcs Fuel Injector 5Y-7005 for Caterpillar CAT Engine 3304 3304B Loader 930R 930T 966R

6 Pcs Fuel Injector 10R-2782 118-9027 for Caterpillar CAT Engine 3406E C-15 Loader R2900

Fuel Filters & Pumps

Fuel Filter 346-0523 for Caterpillar CAT Engine C6.6 C4.4 Loader 938H Asphalt Paver AP1055E AP1000E Motor Grader 120M 12M Toolcarrier IT38H

Fuel Injection Pump 317-7966 for Caterpillar CAT Engine C6.6 Loader 938H

Fuel Injection Pump 294000-1380 370-8363 for Caterpillar CAT Engine C4.4 C3.4 C4.4B

Fuel Pump and Fuel Filter Assembly 228-9129 for Caterpillar CAT Engine 3054 3046 Loader 414E 416E 420E 428E 430D

Fuel Filter Assembly 349-5328 361-3869 for Caterpillar CAT Engine 3044C C3.4 Loader 422E 428D 428E 432D 248B 287B

Fuel Water Separator Assembly 258-3442 for Caterpillar CAT Engine 3044C C3.4 Loader 246C 262C 272C 277C 297C 299C

Other Engine & Machine Parts

Sleeve Bearing Bushing 391-9896 for Caterpillar CAT Backhoe Loader 416D 415 420F 428 430 432 434 444 446D 450F

8 Pcs Pilot Valve Pusher 198-1076 for Caterpillar CAT Excavator 216B3 226B 236B 242B 247B 252B 268B 287B

Fuel Injector Sleeve 119-3061 for Caterpillar CAT Engine 3114 3116 3126 Excavator M320 320B 322C 325L

Water Tank Radiator 9Y-0794 for Caterpillar Engine CAT 3204 Loader 931C 931B 910 Tractor D3C D3B

Piston Pump 105-3635 1053635 for Caterpillar CAT Engine 3406 C15 3406C Loader 980G 980H

1 Set Mounting Rubber Cushion 118-9935 118-9936 for Caterpillar CAT Engine 3046 Excavator 311B 312B 315B 317BL 318B

Check Valve 281-2725 2812725 for Caterpillar CAT Engine 3406E 3456 C-12 C15 C18 3176C 3196 C-10 C-16 C11 C13 C32

Drive Shaft 113-1150 for Caterpillar CAT Loader 416C 420D 424D 428C 432D 442D

Governor Lever 209-3367 2093367 for Caterpillar CAT Engine C4.4 3054C Loader 434E 434F 442E 444E 444F

Belt 390-0536 for Caterpillar CAT Engine C4.4 Loader 420 416 416F 424 428 430 432F 434 444 444F

Hydraulic Filter 421-5479 for Caterpillar CAT Loader 232D 236D 239D 242D 246D 257D 259D 262D 272D 279D

Fuel Filter 416-5884 for Caterpillar CAT Skid Steer Loader 236D 242D 246D 259D 277D 279D 289D

Hydraulic Filter 348-1862 for Caterpillar CAT Engine C4.4 C6.6 C3.3B Loader 236D 242D 246D 259D 272D 297D

Solenoid Valve 375-8254 3758254 for Caterpillar CAT Engine C7.1 C4.4 C4.4B 3.4B Caterpillar 320D 326 330 323 329D2

Bevel Gear Set 331-8528 for Caterpillar CAT Loader 424B 424B2 424B HD 415F2 IL

Wiper Seal 346-9382 3469382 for Caterpillar CAT Engine C15 C32 C27 Loader 992G 992K 993K

Level Sensor 439-5039 549-6892 for Caterpillar CAT Engine C2.8 C4.4 C6.6 C7.1 Loader 924K 938K 930K Excavator 312 313 315 316 317 318 320 323 333 335 336 340

24V Load Protection Module 270-5322 215-9430 for Caterpillar CAT Engine 3056 3054 3056E C13 3054E C9.3 C15 C18

Wiring Harness 247-4863 2474863 for Caterpillar CAT Engine C11 Loader 966H

LED Tail Light 387-6627 for Caterpillar CAT Engine C4.4 Loader 450 440 444F2 432F2 422F2 428F2 434F2

Stop Tail Lamp 092-2992 for Caterpillar CAT Engine 3054 3054C C4.4 Loader 416 420D 422E 426C 428B 442D

Valve Cover Gasket 229-5711 for Caterpillar CAT Engine 3412C C11 C13 C15 C18 Excavator 345C 345D 349 349E 352

Joystick Pilot Valve for Caterpillar CAT E320D E323D E325D E330D E336D E345D Volvo EC480D EC380D Excavator

Crankshaft 337-0201 for Caterpillar CAT Engine C15 C9 C15 Excavator 356C 356CL 374DL 365CL MH

Electronic Control Unit ECU 345-3381 for Caterpillar CAT Engine C6.6 Excavator 320E 320EL 320ELN 320E LRR 320E RR 323EL 323E

Intake Valve 6I-0282 for Caterpillar CAT Engine 3054 3056 Loader 416B 426B 428C 436B 438C

Air Filter 483-1856 290-1935 for Caterpillar CAT Engine C18 C32 C9 Tractor 621H 623H 627H 621K 623K 627K

Oil Cooler Core 304-7849 for Caterpillar CAT Engine 3054C C4.4 Loader 416E 422E 428E 430E 432E 434E 442E 444E

Tail Lamp 171-5672 for Caterpillar CAT Engine C15 3508B 3516B 3412E Excavator 5110B 5130B 5230B

Oil Cooler Core 7S-6395 for Caterpillar CAT Engine 3306 3304 Loader 920 930 950 966 966C 955K 977K 951C 955L

Bucket Tooth 1U-3452 9W-8452 for Caterpillar CAT Excavator 225 229 235C 322C 325C 330B 336D 345C 349D E300

4 Pieces Rock Chisel Bucket Tooth 6Y-3222RC for Caterpillar CAT Excavator 305.5E 306 06E 307 307B 307E 308 309 310

Signal Lamp 392-4634 for Caterpillar CAT Engine C6.6 C4.4 C7.1 C15 Loader 966M 972M 980M 990K 988K

2 Pcs 24V Tail Lamp 3E-6466 162-2073 for Caterpillar CAT Engine 3408 3406C 3306 Loader 910E 914G 918F 924F 962G

2 Pcs Headlight 3E-7587 for Caterpillar CAT Enigne 3114 3116 C4.4 Loader 914G 924F 928G 924G 924GZ

Rear Light Lens 092-6279 for Caterpillar CAT Engine 3054 C4.4 Loader 416 420D 422E 424D 426B 428D 438D 442D

LED Signal Light 334-5410 for Caterpillar CAT Engine C18 C7 C15 C11 Tractor 621H 621K 623H 627H

2 Pieces Hydraulic Filters 389-1076 for Caterpillar CAT Tractor D4 D5 D5R2 D6GC D6K D6K2 D6N D6N LGP

12V Signal Lamp 336-9096 for Caterpillar CAT Engine C4.4 C3.4 3054C Loader 422E 428E 432E 434F 442E 444F

ECU Electronic Control Unit 464-2924 for Caterpillar CAT 236D 242D 246D 257D 259D 262D 272D 277D 279D 287D 299D

12V SD5H09 A/C Compressor for Caterpillar CAT 259D 279D 289D 299D 257D 277D 287D 236D 246D

Left Joystick Controller 460-5345 for Caterpillar CAT Loader 226D 232D 239D 242D 246D 249D 257D 277D

Toggle Switch 8T-9637 7T-3946 for Caterpillar CAT Engine 3116 3408 3054 Loader 416 426 428 824C 980C

Flood Lamp 109-7041 for Caterpillar CAT Engine 3054 3116 3126 Loader 914G 924G 924H 928HZ 930G 938G

15 Pin USB Communication Adapter 370-4617 317-7487 for Caterpillar CAT Engine G3608 C3.3B Loader 246D 279D

A Pair Lamp Assembly 5C-8964 5C-9029 for Caterpillar CAT Engine 3013 3304 C18 Loader 910E 914G 916 918F

Overhaul Rebuild Kit for Caterpillar CAT 3408 3408B 3408C 3408E Engine 988B 988F 631D 637D 639D D9R D9N D8L

Idler Pulley 207-8118 for Caterpillar CAT Engine C11 C13 C7 C9 Loader 966H 972H 980C 980K 980M 982M

Camshaft 336-7516 for Caterpillar CAT Engine C7.1 C6.6 3066 Loader 950K Excavator 320E 323 324E 329E 330 330FL

Oil Cooler 293-9367 237-4956 for Caterpillar CAT Engine C9 C9.3 Excavator 330C 330D 336D 336D2 336E M330D

24V A Pair Headlight 344-3456 344-3455 for Caterpillar CAT Engine C7 C6.6 C4.4 Loader 924H 924K 930G 930K

10 Pcs Isolation Seal 212-7728 for Caterpillar CAT Engine 3516B C11 C13 C32 Excavator 345C 345D 349D 349E 352F

Drain Kit 354-5833 for Caterpillar CAT Excavator 312E 314E 316E 318E 320D2 324E 329E Loader 2384C 2484C

Pressure Switch Sensor 327-4608 3274608 for Caterpillar CAT Engine C15 3306 C11 C7 C7.1 C6.6 C9 C9.3 C18 C27

Safety Lock Micro Switch 111-4799 for Caterpillar CAT Engine C7.1 C4.4 C18 C9.3B C13 3126 C-9 C9 C7 Excavator 311B 312E 319D

Water Pump 387-9903 for Caterpillar CAT C3.3 Engine 257D 259D 279D 289D Skid Steer Loader

Fuel Injector 10R-1288 162-880 for Caterpillar CAT Engine 3508B 3512B 3516B 3508 3512 Loader 992G

4 Pcs Fuel Injector 107-7733 for Caterpillar CAT Engine 3114 3116 Excavator M318 320B 322B 325B

Oil Pressure Sensor 278-5225 for Caterpillar CAT Engine C4.4 C6.6 Excavator 320D M313D M316D Loader 420E 430E 450E 924H

Water Pump 172-7760 0R-0997 for Caterpillar CAT Engine 3304 3306 Tractor D4H D6D D7G D7H

Pilot Valve Seal Kit for Caterpillar CAT Skid Steer Loader 246B

1 PC Clutch Plate 3T-3065 for Caterpillar CAT Truck 777B 777D 777F 777G Tractor 776C 776D Loader 943 953

Hydraulic Pump 9J-5070 for Caterpillar CAT Engine 3304 Loader 950

Belt 220-1856 2201856 for Caterpillar CAT Engine C9 C7 C-9 Loader 972G 966G

Wheel Seal 331-8538 3318538 for Caterpillar CAT Engine 3116 3056E 3054C 3054B C6.6 C4.4 C3.4 3054

Fuel Injector 235-1401 2351401 for Caterpillar CAT Engine C15 C27 C32 C18

Water Radiator 2W-7919 2W7919 for Caterpillar CAT Engine 3306 Loader 966D 966E

1 PC Friction Disc 9P-7390 for Caterpillar CAT 69D 769C 769D 770 770G 772 772G 777B 777D 777F 777G 966D 980F

Turbo 4LF-504 Turbocharger 0R-5806 6N-7519 for Caterpillar CAT Engine 3306 Wheel Loader 980B Tractor 621R D6C

Solenoid Cartridge Valve for Caterpillar CAT 924K 930K 938H 938K 950H 962H 962K 966H 972H 972K 980K 986H

Maintenance Filter Kit for Caterpillar CAT 226 Skid Steer Loader with C3.4T Engine

Water Temperature Regulator 4W-8063 for Caterpillar CAT Engine 3034 3054 3056 Backhoe Loader 416B 416C 426 428 436C 438C

18 Pcs Friction Disc 6Y-7914 for Caterpillar CAT Tractor D3 D3B D3C D4B D4C D4E D5C PAT

Solenoid Cartridge Valve for Caterpillar CAT Backhoe Loader 414E 416E 420E 422E 428F 430F 432F 434E 442E 444F

Axle Shaft 210-5946 2105946 for Caterpillar CAT Engine 3054 3054C Loader 414E 416D 416E 420D 420E 422E

Valve Cover 154-8835 1548835 for Caterpillar CAT Engine 3054 Loader 416C 426C 436C

Hydraulic Pump 6E-2927 for Caterpillar CAT Engine 3304 Loader 926 926A 926E

Scavenge Pump 5M-7864 for Caterpillar CAT 571G 572G 977K 977L D6C D6D D6E D6G D7F D7G

Aftercooler 113-4655 1134655 for Caterpillar CAT Engine 3516 3516B 3508B 3508

Front Glass 258-4071 2584071 for Caterpillar CAT Loader 246C 256C 262C 272C 272D

Coolant Tank With Cap 247-1385 251-3227 for Caterpillar CAT Engine C4.4 C3.4B C2.2 C1.5 C3.4 3054E

Oil Cooler 4W5405 4W-5405 for Caterpillar CAT Engine G3516 3516 3516B 3512 Loader 994

Tool Box Lamp for Caterpillar CAT Loader Dozer Tractor Excavator

Fuel Injector Nozzle 3S-6638 3S6638 for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H

Fuel Injector 7E-9585 0R-3742 for Caterpillar CAT Engine 3114 3116 3126 Excavator 320 320L 320N

6 Pcs Exhaust Manifold Sleeve 281-8261 for Caterpillar CAT Engine C15 C18 3516C 3406E Excavator 395 390D 365C 385C

Air Filter 245-6375 245-6376 for Caterpillar CAT Engine C7 C9 Loader 950H 962H 966D 966E 966F

Hydraulic Pump Cartridge 6J-1578 for Caterpillar CAT Loader 951B

Hydraulic Pump Cartridge 3G-2194 for Caterpillar CAT Engine 3204 Loader 943 953

Accessory Explanations

Fuel Injector (燃油喷油器): A key component in the engine that atomizes and delivers fuel into the combustion chamber. For example, the Caterpillar 3406 engine uses fuel injector with part number 4W-7017. (安装在发动机上，用于将燃油雾化并喷入燃烧室。例如，卡特彼勒3406发动机使用零件号为4W-7017的燃油喷油器。)

Fuel Filter (燃油滤清器): Protects the engine by removing contaminants from the fuel supply, ensuring clean fuel reaches the engine components. The Caterpillar C6.6 engine often uses a fuel filter with part number 346-0523. (用于清除燃油中的杂质，保护发动机，确保清洁的燃油输送到发动机部件。卡特彼勒C6.6发动机常用零件号为346-0523的燃油滤清器。)

Fuel Injection Pump (燃油喷射泵): Responsible for supplying fuel at the required high pressure to the fuel injectors. A common fuel injection pump for the Caterpillar C4.4 engine is 370-8363. (负责以所需的高压将燃油输送到燃油喷油器。卡特彼勒C4.4发动机常用的燃油喷射泵是零件号370-8363。)

Sleeve Bearing Bushing (轴套轴承衬套): A type of bearing used to reduce friction between moving parts, often found in linkages and pivot points of machinery like backhoe loaders. For instance, Caterpillar backhoe loaders may use a sleeve bearing bushing with part number 9R-5922. (一种用于减少运动部件之间摩擦的轴承，常用于挖掘装载机等机械的连杆和枢轴点。例如，卡特彼勒挖掘装载机可能使用零件号为9R-5922的轴套轴承衬套。)

Pilot Valve Pusher (先导阀推杆): Used in hydraulic systems to control the flow of oil to the main hydraulic valves, often found in excavators controlling the movement of booms and buckets. Caterpillar excavators utilize pilot valve pushers such as part number 198-1076. (用于控制液压系统中流向主液压阀的油流量，常用于挖掘机控制动臂和铲斗的运动。卡特彼勒挖掘机使用先导阀推杆，例如零件号198-1076。)

Fuel Injector Sleeve (燃油喷油器套筒): A component that surrounds the fuel injector, providing proper sealing and cooling. Caterpillar 3116 engines often use an injector sleeve with part number 392085. (环绕燃油喷油器的部件，提供适当的密封和冷却。卡特彼勒3116发动机常用零件号为392085的喷油器套筒。)

Water Tank Radiator (水箱散热器): Part of the engine cooling system that dissipates heat from the coolant, preventing the engine from overheating. Caterpillar 3204 engines use radiators like part number 8N-4078. (发动机冷却系统的一部分，用于散发冷却液的热量，防止发动机过热。卡特彼勒3204发动机使用散热器，例如零件号8N-4078。)

Pilot Valve Seal Kit (先导阀密封套件): A set of seals used to prevent leaks in the pilot valves of hydraulic systems, commonly used in Caterpillar skid steer loaders. Caterpillar 246B skid steer loaders require specific pilot valve seal kits. (一套用于防止液压系统先导阀泄漏的密封件，常用于卡特彼勒滑移装载机。卡特彼勒246B滑移装载机需要特定的先导阀密封套件。)

Clutch Plate (离合器片): A key component in the transmission system that engages and disengages power flow between the engine and the drivetrain. Caterpillar 777B trucks utilize clutch plates with part number 3T-3065. (传动系统中的关键部件，用于接合和分离发动机与传动系统之间的动力流。卡特彼勒777B卡车使用零件号为3T-3065的离合器片。)

Hydraulic Pump Cartridge (液压泵泵芯): The internal component of a hydraulic pump responsible for generating hydraulic flow. Caterpillar 951B loaders use hydraulic pump cartridges with part number 6J-1578. (液压泵的内部组件，负责产生液压流量。卡特彼勒951B装载机使用零件号为6J-1578的液压泵泵芯。)

Common Knowledge in the Industry

Importance of Regular Maintenance: Consistent maintenance, including timely oil and filter changes, is crucial for prolonging the lifespan and optimizing the performance of all types of machinery (engineering, heavy truck, agricultural, and automotive). Regular checks can prevent major breakdowns and reduce overall operating costs. (定期维护的重要性：包括及时更换机油和滤清器在内的一致维护对于延长所有类型机械（工程、重型卡车、农业和汽车）的使用寿命和优化性能至关重要。定期检查可以防止重大故障并降低总体运营成本。)

Understanding Engine Oil Specifications: Knowing the correct engine oil specifications (e.g., viscosity grade, API rating) for your specific equipment is vital for proper lubrication and engine health. Using the wrong oil can lead to increased wear and potential damage. (了解发动机油规格：了解特定设备的正确发动机油规格（例如，粘度等级、API 等级）对于适当的润滑和发动机健康至关重要。使用错误的油会导致磨损加剧和潜在的损坏。)

Checking Tire Pressure: Regularly inspecting and maintaining the correct tire pressure for heavy trucks, agricultural machinery, and even some construction equipment is essential for fuel efficiency, tire longevity, and operator safety. Underinflated or overinflated tires can lead to various problems. (检查轮胎压力：定期检查和维持重型卡车、农业机械甚至某些建筑设备的正确轮胎压力对于燃油效率、轮胎寿命和操作员安全至关重要。轮胎气压不足或过高都会导致各种问题。)

Troubleshooting Tip

Caterpillar 320D Excavator - Loss of Hydraulic Power

Problem: A common issue with Caterpillar 320D excavators is the sudden loss of hydraulic power, affecting the movement of the boom, arm, or bucket.

Possible Solutions:

Check Hydraulic Fluid Level: Ensure the hydraulic fluid is at the correct level. Low fluid can cause loss of pressure.
Inspect Hydraulic Filters: Blocked or clogged hydraulic filters (primary part number might be 348-1862) can restrict oil flow. Replace them if necessary.
Vent the Hydraulic System: Air in the hydraulic system can lead to reduced power. Bleed the system according to the machine's manual.
Examine the Main Hydraulic Pump: A malfunctioning main hydraulic pump might be the cause (possible part number around 317-7966 for similar models). Check for unusual noises or leaks. Professional diagnosis might be required.
Check Control Valves: Inspect the multi-way control valve for any signs of malfunction or blockage.

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