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» Cummins Engine Parts by Model » Cummins 4BTA3.9-G Engine Parts

Cummins 4BTA3.9-G Engine Parts

Product Name: Cummins 4BTA3.9-G Engine Parts
Part No.: C3903920 3967432 C3929036 3929039 3942581
Part Name: Cylinder Head, Cylinder Liner, Crankshaft, Piston, Piston Ring Set, Starter Motor, Alternator, Fuel Pump, Injector, Water Pump
Keywords: Cummins 4BTA3.9-G Genuine Parts, 4BTA3.9-G Genuine Parts, DCEC 4BTA3.9-G Parts
Packing: DCEC Genuine Packing
Shipping: By DHL, FedEx, UPS, TNT, by air and by sea

  • Description
  • DCEC 4BTA3.9 ENGINE
  • DCEC ENGINE INTRODUCTION

Cummins 4BTA3.9-G Engine Spare Parts List

The Cummins 4BTA3.9-G engine is a 4-cylinder diesel engine widely used for generator sets and industrial power applications. This spare parts list includes common maintenance parts, overhaul parts, fuel system components, cooling system parts, lubrication parts, and electrical parts. Quantities are listed based on one complete engine set.

Common Maintenance Parts

Part Name Part Number Qty Per Engine
Oil Filter LF9009 1
Fuel Filter FF9007-07 1
Air Filter AC9243ZZ 1
Fuel Filter Element 3931063 1
Oil Filter Cartridge 3908616 1
Fuel Filter Head 3936315 1

Engine Block and Main Components

Part Name Part Number Qty Per Engine
Cylinder Block C3903920 1
Engine Block ABP9782-02-1ZZ 1
Cylinder Head 3967432 1
Crankshaft C3929036 1
Camshaft 3929039 1
Connecting Rod 3942581 4
Piston A3908179ZZ 4
Piston Ring Set C3932520 4
Piston Pin 4991283 4
Piston Cooling Nozzle 3937214 4
Main Bearing C3929016 4
Thrust Bearing 3927772 1

Gasket and Sealing Parts

Part Name Part Number Qty Per Engine
Cylinder Head Gasket 3283333 1
Valve Cover Gasket 3930906 1
Oil Pan Gasket 3938162 1
Push Rod Cover Gasket 3283767 1
Turbocharger Gasket 3901356 1
Filter Head Gasket C3942915 1
Sealing Washer 3920773 As Required

Fuel System Parts

Part Name Part Number Qty Per Engine
Fuel Injection Pump 4946527 1
Fuel Transfer Pump FS90250 1
Fuel Injector 4982695 4
Fuel Manifold C4934018 1
Fuel Drain Tube C4932532 1
Fuel Drain Tube C4988331 1
Injector Fuel Supply Tube C4982695 1
Injector Fuel Supply Tube C4983775 1
Fuel Supply Tube 5270815 1
T Connector C4932608 1

Lubrication System Parts

Part Name Part Number Qty Per Engine
Oil Pump 5346429 1
Oil Pan OP9004-04 1
Oil Level Gauge LG90372 1
Oil Dipstick 4937482 1
Oil Pressure Sensor EO9181 1
Oil Temperature Sensor EO9180 1

Cooling System Parts

Part Name Part Number Qty Per Engine
Water Pump WP9031 1
Water Pump 3285410 1
Thermostat 4930315 1
Water Inlet Tube 3971102 1
Water Outlet Tube 3971103 1
Radiator Hose 3918612 1

Air Intake and Exhaust System Parts

Part Name Part Number Qty Per Engine
Turbocharger 4048417 1
Intake Valve 4995554 4
Exhaust Valve 4994143 4
Exhaust Manifold 4988420 1
Air Transfer Pipe 4987913 1

Electrical Parts and Sensors

Part Name Part Number Qty Per Engine
Alternator EE9314ZZ 1
Starter Motor 3916854 1
Temperature Sensor 4994283 1
Oil Temperature Sensor EO9180 1
Signal Device EO9144 1
Wiring Harness 4932505 1

Flywheel, Housing and Mounting Parts

Part Name Part Number Qty Per Engine
Flywheel 4939064 1
Gear Housing 5267782 1
Gear Cover 4991493 1
Front Engine Support 10NMX-03-2ZZ 1
Engine Mount 4988361 2
Vibration Damper DA9208 1

Valve Train Parts

Part Name Part Number Qty Per Engine
Valve Tappet 3931623 8
Intake Valve 4995554 4
Exhaust Valve 4994143 4
Push Rod 3904679 8
Rocker Lever 3934920 8

Why Choose Genuine Cummins 4BTA3.9-G Parts

Using genuine or high-quality replacement parts helps maintain stable engine performance, reduce downtime, and extend service life. For generator set engines, reliable parts are especially important for continuous power supply and emergency standby applications.

Before Ordering

Please confirm the engine model, engine serial number, CPL number, and part number before ordering. Some parts may vary depending on the exact Cummins 4BTA3.9-G configuration, generator set application, and production batch.

Contact Us for Cummins 4BTA3.9-G Engine Parts

We supply Cummins 4BTA3.9-G engine spare parts, maintenance parts, overhaul kits, fuel system parts, cooling system parts, electrical components, and generator set engine parts. Contact us with your engine serial number or required part number for accurate quotation and fast delivery.

Cummins 4B-G and 4BTA-G Series Engine Specifications

Cummins 4B-G Series Power Rating

Type Engine Power 1500rpm / 1800rpm Gen-set Power 50Hz / 60Hz Displacement Governor
Engine model Prime kWm Standby kWm Prime kWe Prime kVA Standby kWe Standby kVA
4B3.9-G11 20 / 23 22 / 26 17 / 20 20 / 25 19 / 22 24 / 28 3.9L Mechanical
4B3.9-G1 24 / N/A 27 / N/A 22 / N/A 27 / N/A 24 / N/A 30 / N/A
4B3.9-G2 24 / 30 27 / 33 22 / 24 27 / 30 24 / 27 30 / 34 Electronic
4B3.9-G12 27 / 33 30 / 36 25 / 28 30 / 35 27 / 30 34 / 38

4BTA-G Series Power Rating

Type Engine Power 1500rpm / 1800rpm Gen-set Power 50Hz / 60Hz Displacement Governor
Engine Prime kWm Standby kWm Prime kWe Prime kVA Standby kWe Standby kVA
4BTA3.9-G2 50 / 60 55 / 66 45 / 51 56 / 64 50 / 56 62 / 70 3.9L Electronic
4BTA3.9-G2 58 / 67 64 / 74 52 / 60 65 / 75 56 / 68 70 / 85
4BTA3.9-G11 70 / 80 80 / 90 64 / 72 80 / 90 72 / 80 90 / 100
4BTA3.9-G13 87 / N/A 97 / N/A 76 / N/A 95 / N/A 84 / N/A 105 / N/A

General Engine Data

Engine Type In-line, 4 cylinders, 4-cycle diesel engine
Bore 102 mm
Stroke 120 mm
Displacement 3.9 L
Compression Ratio 17.3 : 1
Governor Regulation Mechanical governor < 8%
Electrical governor < 3%
ECM < 1%
Electrical System 24V
Fuel System A type pump / P type pump / HPCR
Lube Oil Capacity 10.9 L
Lube Oil Type 15W40-CH4 or higher
Flywheel SAE 3# 11.5 inch

Coolpac Performance Data

Cooling System Design Positive water cooling cycle
Coolant Type Organic long lasting coolant
Coolant Capacity 19-27 L
Limiting Ambient Temperature 40°C
Filter Type Dry replaceable element with restriction indicator

Weight and Dimensions

Dry Weight Length Width Height
472 kg 1080 mm 625 mm 1085 mm

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.

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