The DCEC Cummins 6ZTAA13 engine is a heavy-duty 6-cylinder diesel engine with 13L displacement, widely used in generator sets, industrial power systems, and standby power applications. This parts list includes standard maintenance parts, overhaul components, fuel system parts, lubrication system parts, cooling system parts, and additional commonly used components. Quantities are based on one complete engine.
Common Maintenance Parts
| Part Name |
Part Number |
Qty Per Engine |
| Oil Filter |
LF9009 |
2 |
| Fuel Filter |
FF5488 |
2 |
| Water Filter |
WF2076 |
1 |
| Air Filter Element |
AF25551 |
1 |
| Air Safety Filter |
AF25552 |
1 |
| Sealing Washer |
3918192 |
As Required |
Engine Block and Main Components
| Part Name |
Part Number |
Qty Per Engine |
| Cylinder Block |
C2874066 |
1 |
| Cylinder Head |
4987987 |
1 |
| Crankshaft |
C4316828 |
1 |
| Camshaft |
C4365897 |
1 |
| Connecting Rod |
4943979 |
6 |
| Piston |
4999962 |
6 |
| Piston Ring Set |
3802421 |
6 |
| Cylinder Liner |
4999962 |
6 |
| Main Bearing |
4999939 |
1 Set |
| Thrust Bearing |
2869805 |
4 |
Gasket and Sealing Parts
| Part Name |
Part Number |
Qty Per Engine |
| Cylinder Head Gasket |
4975284 |
1 |
| Upper Gasket Kit |
4089478 |
1 Set |
| Lower Gasket Kit |
4089479 |
1 Set |
| Front Cover Gasket |
C2870121 |
1 |
| Gear Housing Gasket |
C2864829 |
1 |
| Oil Seal |
C3685173 |
2 |
| O-ring Seal |
D2873961 |
Multiple |
Fuel System Parts
| Part Name |
Part Number |
Qty Per Engine |
| Fuel Injection Pump |
3973228 |
1 |
| Fuel Injector |
4942359 |
6 |
| Fuel Transfer Pump |
3966154 |
1 |
| Fuel Shutoff Solenoid |
3930234 |
1 |
| Fuel Filter Head |
3925955 |
1 |
| Fuel Drain Tube |
3925749 |
1 |
Lubrication System Parts
| Part Name |
Part Number |
Qty Per Engine |
| Oil Pump |
4939585 |
1 |
| Oil Cooler Core |
3966365 |
1 |
| Oil Cooler Cover |
3966364 |
1 |
| Oil Pan |
3974295 |
1 |
| Oil Level Gauge |
3975668 |
1 |
| Oil Pressure Sensor |
3967251 |
1 |
Cooling System Parts
| Part Name |
Part Number |
Qty Per Engine |
| Water Pump |
3966841 |
1 |
| Thermostat |
3967195 |
1 |
| Thermostat Housing |
3967197 |
1 |
| Cooling Fan |
3911345 |
1 |
| Fan Drive |
FA9310 |
1 |
| Water Temperature Sensor |
3967250 |
1 |
Air Intake and Exhaust System Parts
| Part Name |
Part Number |
Qty Per Engine |
| Turbocharger |
4046100 |
1 |
| Exhaust Manifold |
3979211 |
1 |
| Intake Manifold |
3979212 |
1 |
| Air Compressor |
3974548 |
1 |
| Turbocharger Gasket |
3901356 |
1 |
Valve Train Parts
| Part Name |
Part Number |
Qty Per Engine |
| Intake Valve |
3802355 |
6 |
| Exhaust Valve |
3802085 |
6 |
| Valve Spring |
3916691 |
12 |
| Valve Guide |
3906206 |
12 |
| Push Rod |
3941253 |
12 |
| Rocker Lever |
3964715 |
12 |
Electrical and Control Parts
| Part Name |
Part Number |
Qty Per Engine |
| Starter Motor |
3976618 |
1 |
| Alternator |
3972730 |
1 |
| Speed Sensor |
3971994 |
2 |
| Electronic Governor |
ESD5500E |
1 |
| Wiring Harness |
3977552 |
1 |
Flywheel and Housing Parts
| Part Name |
Part Number |
Qty Per Engine |
| Flywheel |
3966570 |
1 |
| Flywheel Housing |
3966571 |
1 |
| Vibration Damper |
3967014 |
1 |
| Gear Housing |
C2874184 |
1 |
| Front Gear Cover |
C2884766 |
1 |
Recommended Overhaul Kit
Major Overhaul Components
| Part Name |
Part Number |
Qty Per Engine |
| Piston Assembly |
4999962 |
6 |
| Piston Ring Set |
3802421 |
6 |
| Cylinder Liner |
4999962 |
6 |
| Main Bearing Set |
4999939 |
1 Set |
| Connecting Rod Bearing |
4948503 |
1 Set |
| Thrust Bearing |
2869805 |
4 |
| Upper Gasket Kit |
4089478 |
1 Set |
| Lower Gasket Kit |
4089479 |
1 Set |
Applications of Cummins 6ZTAA13 Engine Parts
These spare parts are suitable for Cummins 6ZTAA13 diesel engines used in generator sets, industrial equipment, construction machinery, mining operations, and standby power systems. The engine features strong power output, high reliability, and long service life. :contentReference[oaicite:0]{index=0}
Important Notes Before Ordering
Confirm Engine Details
Please confirm the engine model, engine serial number (ESN), CPL number, and part number before ordering. Some parts may vary depending on configuration and production batch.
Use Genuine or High-Quality Parts
Using genuine or high-quality replacement parts ensures better performance, reduces downtime, and extends engine service life, especially for generator applications requiring continuous operation.
Contact Us for Cummins 6ZTAA13 Parts
We supply Cummins 6ZTAA13 engine spare parts, overhaul kits, maintenance parts, and generator engine components. Contact us with your requirements for accurate quotation and fast delivery.
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.