Cummins KTA38 Parts Catalogue
The Cummins KTA38 Parts Catalogue provides a detailed reference for all components of the KTA38 engine. Known for its high power output and reliability, the KTA38 is widely used in heavy-duty industrial applications, power generation, and marine equipment. This catalogue is designed to help engineers and maintenance personnel identify correct part numbers and understand component specifications for service and repair.
Overview of KTA38 Engine Components
The Cummins KTA38 engine consists of several critical systems:
1. Engine Components
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Pistons and Piston Rings: Ensure efficient combustion and long service life.
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Crankshaft and Bearings: Transmit power from pistons smoothly and reduce wear.
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Camshaft and Valves: Control timing of air intake and exhaust.
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Cylinder Heads: House injectors and valves for optimal combustion.
2. Fuel System
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Fuel Injectors: Deliver precise fuel for each combustion cycle.
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Fuel Pumps: Maintain stable fuel pressure and flow.
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Fuel Manifolds and Rails: Ensure even fuel distribution to cylinders.
3. Air and Turbo System
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Turbochargers: Increase air intake for higher engine performance.
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Air Intake Manifold: Distributes air evenly across cylinders.
4. Filtration
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Oil Filters: Remove contaminants from engine oil to protect components.
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Fuel Filters: Keep the fuel supply clean for reliable operation.
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Air Filters: Prevent dust and debris from entering the combustion chamber.
5. Electrical and Sensors
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Starter Motors and Alternators: Provide reliable starting and electrical power.
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Pressure Sensors: Monitor fuel, oil, and system pressures.
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Speed Sensors: Track engine RPM for monitoring and control.
6. Gaskets and Seals
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Full gasket and seal sets provide tight connections between engine components, preventing leaks and maintaining performance.
Example Parts Table
| NO. | Parts Name | Parts No. | Engine Model | NO. | Parts Name | Parts No. | Engine Model | |
| 1 | Cylinder Block | 4060883/4372853 | KTA38 | 50 | Thermostat Housing Cover | 3037871 | KTA38 | |
| 2 | Cylinder Head | 3646323 | KTA38 | 51 | Water Pump | 4372338 | KTA38 | |
| 3 | Engine Crankshaft | 3648618 | KTA38 | 52 | Retaining Ring | 205269 | KTA38 | |
| 4 | Camshaft | 3066884 | KTA38 | 53 | Oil Bypass Filter Element | 3889311 | KTA38 | |
| 5 | Camshaft | 3066885 | KTA38 | 54 | Lubricating Oil Filter Element | 3889310 | KTA38 | |
| 6 | Camshaft | 3062076 | KTA38 | 55 | Corrosion Resistor | 3100308 | KTA38 | |
| 7 | Camshaft | 3062077 | KTA38 | 56 | Fuel Water Separator | 4095189 | KTA38 | |
| 8 | Camshaft | 3630121 | KTA38 | 57 | Fuel Filter Element | 3313306 | KTA38 | |
| 9 | Camshaft | 3630122 | KTA38 | 58 | Air Filter | AF25278 | KTA38 | |
| 10 | Camshaft | 3629170 | KTA38 | 59 | Fan Hub | 3637651 | KTA38 | |
| 11 | Camshaft | 3629171 | KTA38 | 60 | Piston Cooling Valve | 3179664 | KTA38 | |
| 12 | Camshaft | 3066888 | KTA38 | 61 | Flexible Hose | 3634302 | KTA38 | |
| 13 | Camshaft | 3066889 | KTA38 | 62 | Oil Control Valve | 3063022 | KTA38 | |
| 14 | Bushing | 3175805 | KTA38 | 63 | Starting Motor | 3636817 | KTA38 | |
| 15 | Bushing | 132770 | KTA38 | 64 | Alternator | 3016627 | KTA38 | |
| 16 | Upper Engine Gasket Set | 3800730/5492345 | KTA38 | 65 | Engine Crankshaft | 3648630 | KTA38 | |
| 17 | Lower Engine Gasket Kit | 3804301/5492346 | KTA38 | 66 | Injector | 3076703 | KTA38 | |
| 18 | Connecting Rod Bearing | 3047390/3650900 | KTA38 | 67 | Fuel Pump Assembly | 3631871 | KTA38 | |
| 19 | Connecting Rod Bearing | 3047391 | KTA38 | 68 | Turbocharger | 3594120 | KTA38 | |
| 20 | Connecting Rod Bearing | 3047392 | KTA38 | 69 | Turbocharger | 3594121 | KTA38 | |
| 21 | Connecting Rod Bearing | 3047393 | KTA38 | 70 | Flexible Hose | AS401440SS | KTA38 | |
| 22 | Main Bearing Kit | AR12250 | KTA38 | 71 | Plain Hose | 3626493 | KTA38 | |
| 23 | Main Bearing Kit | AR12251 | KTA38 | 72 | Flexible Hose | 3632334- | KTA38 | |
| 24 | Main Bearing Set | AR12252 | KTA38 | 73 | Plain Hose | 3630125 | KTA38 | |
| 25 | Main Bearing Set | AR12253 | KTA38 | 74 | Flexible Hose | 3632339 | KTA38 | |
| 26 | Engine Piston | 3096685/3631241 | KTA38 | 75 | Flexible Hose | 3634392 | KTA38 | |
| 27 | Exhaust Valve | 3088389/3803528 | KTA38 | 76 | Flexible Hose | 3634393 | KTA38 | |
| 28 | Intake Valve | 3052820/2881836 | KTA38 | 77 | Flexible Hose | 3634522 | KTA38 | |
| 29 | Valve Insert | 3086193 | KTA38 | 78 | Flexible Hose | 3634301 | KTA38 | |
| 30 | Valve Insert | 3086192 | KTA38 | 79 | Flexible Hose | 3633789 | KTA38 | |
| 31 | Valve Collet | 205091 | KTA38 | 80 | Flexible Hose | 3628888 | KTA38 | |
| 32 | Valve Stem Guide | 3202210 | KTA38 | 81 | Flexible Hose | 3632024 | KTA38 | |
| 33 | Valve Spring | 3643725 | KTA38 | 82 | Flexible Hose | 3632025 | KTA38 | |
| 34 | Valve Spring Retainer | 205094 | KTA38 | 83 | Flexible Hose | 3632206 | KTA38 | |
| 35 | Push Rod | 3057139 | KTA38 | 84 | Flexible Hose | 3177082 | KTA38 | |
| 36 | Push Rod | 3017961 | KTA38 | 85 | Aftercooler Core | 3626715/5543591 | KTA38 | |
| 37 | Valve Stem Guide | 3202210 | KTA38 | 86 | Cooler Core | 3635074 | KTA38 | |
| 38 | Cylinder Liner | 3022157/3007525 | KTA38 | 87 | Expansion Plug | 206224 | KTA38 | |
| 39 | O Ring Seal | 3014668 | KTA38 | 88 | Hex Flange Head Cap Screw | 3176570 | KTA38 | |
| 40 | O Ring Seal | 3011076 | KTA38 | 89 | Connecting Rod | 3632225 | KTA38 | |
| 41 | Oil Seal | 3081489 | KTA38 | 90 | Fan Blade | K38-G5 | KTA38 | |
| 42 | Liner Insert | 3011884 | KTA38 | 91 | Flexible Hose | 3634302 | KTA38 | |
| 43 | Piston Ring Set | 4089500 | KTA38 | 92 | Electronic Fuel Control Actuator | 3408326 | KTA38 | |
| 44 | Piston Pin | 4095009 | KTA38 | 93 | Valve Cover | 3010388 | KTA38 | |
| 45 | Magnetic Pickup | 3034572 | KTA38 | 94 | Radiator | K38-G5 | KTA38 | |
| 46 | V Ribbed Belt | 3003341/5413001 | KTA38 | 95 | Diode Repair Kit | RSK-6001 | KTA38 | |
| 47 | Water Pump Gasket | 206455-20 | KTA38 | 96 | Regulating Plate | MX321 | KTA38 | |
| 48 | Lubricating Oil Pump | 3634640 | KTA38 | 97 | Governor Control | 4296675 | KTA38 | |
| 49 | V Ribbed Belt | 3024614/5413029 | KTA38 |
The table above is a sample selection. The full Cummins KTA38 Parts Catalogue includes all engine components, accessories, and service kits necessary for repair and maintenance.
