Cummins 6CTA8.3-G is a 6-cylinder diesel engine widely used for generator sets, industrial power units, and standby power applications. This spare parts list includes common maintenance parts and extended components with part numbers and quantity per engine, suitable for website SEO pages, catalogs, and quotations.
Common Maintenance Parts
Filters and Service Parts
| Part Name |
Part Number |
Qty Per Engine |
| Oil Filter |
LF9009 / 3401544 |
1 |
| Fuel Filter |
FF5052 / 3931063 |
1 |
| Fuel Water Separator |
FS1280 |
1 |
| Air Filter |
AF25270 / 3939578 |
1 |
| Water Filter |
WF2075 |
1 |
| Fan Belt |
3288790 / 3911563 |
1 |
Engine Overhaul Parts
Piston, Liner and Bearing Parts
| Part Name |
Part Number |
Qty Per Engine |
| Piston |
3972886 / 3802429 |
6 |
| Piston Ring Set |
3802421 / 4089810 |
6 Sets |
| Piston Pin |
3919053 |
6 |
| Piston Pin Retainer |
3900552 |
12 |
| Cylinder Liner |
3904166 |
6 |
| Connecting Rod Bearing |
3901170 |
6 Sets |
| Main Bearing Set |
3802070 |
1 Set |
| Thrust Bearing |
3900068 |
1 Set |
| Connecting Rod |
3969562 |
6 |
Gasket and Seal Parts
Engine Gaskets
| Part Name |
Part Number |
Qty Per Engine |
| Cylinder Head Gasket |
3921394 |
1 |
| Upper Gasket Kit |
3802375 |
1 Set |
| Lower Gasket Kit |
3802376 |
1 Set |
| Full Gasket Kit |
3804896 |
1 Set |
| Valve Cover Gasket |
3930906 |
1 |
| Oil Pan Gasket |
3938162 |
1 |
| Front Crankshaft Oil Seal |
3926126 |
1 |
| Rear Crankshaft Oil Seal |
3925529 |
1 |
Fuel System Parts
Fuel Injection Parts
| Part Name |
Part Number |
Qty Per Engine |
| Fuel Injection Pump |
3917530 / 3973228 |
1 |
| Fuel Injector |
3930525 / 4940170 |
6 |
| Fuel Transfer Pump |
3936316 |
1 |
| Fuel Shutoff Solenoid |
3930234 |
1 |
| High Pressure Fuel Pipe |
3918886 |
6 |
| Fuel Return Pipe |
3905860 |
1 |
Cooling System Parts
Water Pump and Cooling Components
| Part Name |
Part Number |
Qty Per Engine |
| Water Pump |
3285410 / 3802970 |
1 |
| Thermostat |
3917324 / 4930315 |
1 |
| Fan Hub |
3910739 |
1 |
| Cooling Fan |
3911328 |
1 |
| Radiator Hose |
3918612 |
1 |
| Water Outlet Connection |
3971103 |
1 |
Lubrication System Parts
Oil Pump and Oil System
| Part Name |
Part Number |
Qty Per Engine |
| Oil Pump |
3937404 / 3906415 |
1 |
| Oil Cooler Core |
3974815 |
1 |
| Oil Cooler Gasket |
3937477 |
1 |
| Oil Pan |
3938158 |
1 |
| Oil Dipstick |
4937482 |
1 |
| Oil Pressure Sensor |
4921517 |
1 |
Air Intake and Exhaust System Parts
Turbocharger and Intake System
| Part Name |
Part Number |
Qty Per Engine |
| Turbocharger |
4048417 / 4038597 |
1 |
| Turbocharger Gasket |
3901356 |
1 |
| Exhaust Manifold |
3929779 |
1 |
| Exhaust Manifold Gasket |
3905443 |
6 |
| Intake Manifold Gasket |
3921394 |
1 Set |
| Air Intake Pipe |
4987913 |
1 |
Cylinder Head and Valve Train Parts
Valve Components
| Part Name |
Part Number |
Qty Per Engine |
| Cylinder Head |
3967432 |
1 |
| Intake Valve |
4995554 |
6 |
| Exhaust Valve |
4994143 |
6 |
| Valve Spring |
3926701 |
12 |
| Valve Guide |
3925863 |
12 |
| Valve Stem Seal |
3921644 |
12 |
| Push Rod |
3931623 |
12 |
| Rocker Arm |
3934920 |
12 |
Electrical Parts
Starting and Sensor Components
| Part Name |
Part Number |
Qty Per Engine |
| Starter Motor |
4948058 |
1 |
| Alternator |
4936879 |
1 |
| Oil Pressure Sensor |
4921517 |
1 |
| Water Temperature Sensor |
4954905 |
1 |
| Speed Sensor |
3034572 |
1 |
| Stop Solenoid |
3930234 |
1 |
Structural and External Parts
Block and Rotating Components
| Part Name |
Part Number |
Qty Per Engine |
| Cylinder Block |
3903920 |
1 |
| Crankshaft |
3929036 |
1 |
| Camshaft |
3929039 |
1 |
| Flywheel |
4939064 |
1 |
| Flywheel Housing |
3903282 |
1 |
| Vibration Damper |
3914454 |
1 |
| Gear Housing |
5267782 |
1 |
| Gear Cover |
4991493 |
1 |
Recommended Spare Parts for One Cummins 6CTA8.3-G Engine
Fast Moving Spare Parts
| Part Name |
Part Number |
Recommended Qty |
| Oil Filter |
LF9009 |
2-4 |
| Fuel Filter |
FF5052 |
2-4 |
| Air Filter |
AF25270 |
1-2 |
| Fan Belt |
3288790 |
1-2 |
| Water Pump |
3285410 |
1 |
| Thermostat |
4930315 |
1 |
| Injector |
3930525 |
6 |
| Full Gasket Kit |
3804896 |
1 Set |
| Turbocharger |
4048417 |
1 |
Buying Notes
How to Confirm Correct 6CTA8.3-G Parts
Before ordering Cummins 6CTA8.3-G engine spare parts, customers should confirm engine serial number, CPL number, power rating, application type, fuel system configuration, and cooling type. Some parts may vary depending on emission standards and production batch.
Applications
Cummins 6CTA8.3-G spare parts are widely used in diesel generator sets, industrial equipment, construction projects, backup power systems, factories, commercial buildings, and marine auxiliary applications.
Conclusion
The Cummins 6CTA8.3-G engine features strong durability, reliable performance, and easy maintenance. Its spare parts system is well-established, ensuring fast supply and long service life. For accurate quotation, customers are recommended to provide engine nameplate and required quantity.
Dongfeng Cummins Engine Co., Ltd. (hereinafter referred to as "Dongfeng Cummins" or the "Company") is located in the High-tech Industrial Development Zone of Xiangyang City, Hubei Province. It is a 50:50 joint venture established by Dongfeng Motor Co., Ltd. Modern medium and heavy engine manufacturing company. In 1986, Dongfeng Motor Corporation and Cummins Corporation of the United States signed a B series engine production license agreement. In June 1996, Dongfeng Cummins Engine Co., Ltd. was established with a registered capital of more than 100 million US dollars, an area of 270,000 square meters, and more than 2,200 employees.
The company's products include B, C, D, L, Z series platform Cummins engines, which can meet the national V, national VI and non-road national IV emission standards for vehicles. The engine displacement is 3.9L, 4.5L, 5.9L, 6.7L, 8.3L, 8.9L, 9.5L, 13L, power coverage range is 80-680 horsepower, widely used in light, medium and heavy trucks, medium and high-grade intercity buses, large and medium-sized buses, construction machinery, marine main and auxiliary engines, generator sets, etc. The products are widely praised by users at home and abroad for their advanced economy, power, reliability, durability and environmental safety. Cummins is a power solution provider, and Dongfeng is a super-large Chinese auto company. Dongfeng Cummins will rely on the strong support of Cummins' global production system in the fields of product development, manufacturing, quality and management to continuously improve the competitiveness of enterprises and products, and provide customers with high-quality engines.
Through integration and optimization, Dongfeng Cummins has reached an annual production capacity of 230,000 engines, and through rolling technology introduction and self-development strategy, it has gradually achieved simultaneous development with the European and American markets in product development, thereby leaping to improve China's medium and heavy engines. technical level. The company has developed a new generation of 13-liter fully electronically controlled heavy-duty truck engines with all independent intellectual property rights, with a power range of 430-600 horsepower.
"Driving the world forward and realizing the most beautiful life" is the mission of the company. We have the courage to assume social responsibilities and be a socially responsible corporate citizen. The company produces products that meet the national emission standards in strict accordance with the requirements of production consistency, casts green environmental protection into the brand, and is committed to creating a green and environmentally friendly clean power.