CUMMINS 4BT ENGINE PARTS
The 4BT Cummins Engine is designed to be used in agricultural, industrial, and light commercial applications. The first generation of 3.9L Cummins Diesel engines produced 105 horsepower and a torque of 265 lb. ft. The 4BTA engines of the second generation, also known as 4BTA engines use 4 valves for each cylinder and have higher performance. Cummins Diesel engines with 4BTA technology produce an average of 170 horsepower and 420 lb.-ft. of torque.
Hawks parts provide Cummins 4BT engine parts includes cylinder head parts, cylinder block parts, piston parts, injector parts, crankshaft parts, camshaft parts, bearing, turbocharger parts, belt tensioner, filter, cylinder liner parts, piston kits, etc
| Configuration | In-Line,4cylinder,4 stroke diesel |
| Aspiration | Appreciation |
| Displacement | 3.9L |
| Bore&Stroke | 102x119mm |
| Fuel system | Rotary |
Cummins ISF3.8 Diesel Parts Catalogue
CUMMINS 4BT ENGINE PARTS CATALOGUE
| Part No. | 3903920 | Part No. | 3901306 |
| EN Part name | Cylinder block | EN Part name | Bushing |
| volume:cm | 65*449*52 | volume:cm | 3*6*2.5 |
| weight:kg | 90 | weight:kg | 0.06 |
| Part No. | 3900635 | Part No. | 3904217 |
| EN Part name | Plug | EN Part name | Main bearing bolts |
| volume:cm | 2.2*2.2*0.6 | volume:cm | 2.6*2.6*13 |
| weight:kg | 0.06 | weight:kg | 0.125 |
| Part No. | 3906619 | Part No. | 3900257 |
| EN Part name | Plug | EN Part name | Dowel pin |
| volume:cm | 2*2*2.5 | volume:cm | 1*1*0.5 |
| weight:kg | 0.06 | weight:kg | 0.05 |
| Part No. | 3919002 | Part No. | 3913917 |
| EN Part name | Piston cooling nozzle | EN Part name | Main bearing |
| volume:cm | 3*1*1 | volume:cm | 13*7.5*2.5 |
| weight:kg | 0.01 | weight:kg | 0.8 |
| Part No. | 3907803 | Part No. | 3904166 |
| EN Part name | Crankshaft | EN Part name | Cylinder Liner |
| volume:cm | 70*27*27 | volume:cm | 13*13*25 |
| weight:kg | 41.6 | weight:kg | 1.45 |
| Part No. | 3901258 | Part No. | 3904483 |
| EN Part name | Crankshaft Gear | EN Part name | Dowel pin |
| volume:cm | 13*14*4 | volume:cm | 0.8*0.8*0.6 |
| weight:kg | 0.9 | weight:kg | 0.05 |
| Part No. | 3927772 | Part No. | 3901090 |
| CN Part name | 曲轴止推瓦 | CN Part name | 曲轴主轴瓦上瓦 |
| volume:cm | 27*18*9 | volume:cm | 27*18*9 |
| weight:kg | 0.6 | weight:kg | 0.6 |
| Part No. | 3914494 | Part No. | 3901150 |
| EN Part name | Crankshaft pulley | EN Part name | Main lower bearing |
| volume:cm | 18*18*4 | volume:cm | 27*18*9 |
| weight:kg | 0.85 | weight:kg | 0.6 |
| Part No. | 3901170 | Part No. | 3903857 |
| EN Part name | Connecting rod bearing | EN Part name | Shock absorber mounting bolts |
| volume:cm | 8*7*6 | volume:cm | 6.8*2*2 |
| weight:kg | 0.9 | weight:kg | 0.05 |
| Part No. | 3901572B | Part No. | 3941476 |
| EN Part name | link | EN Part name | Bushing |
| volume:cm | 22*4*3 | volume:cm | 4*4*3 |
| weight:kg | 1 | weight:kg | 0.04 |
| Part No. | 3926631 | Part No. | 3900919 |
| EN Part name | Piston | EN Part name | Connecting rod screw |
| volume:cm | 11*11*12 | volume:cm | 7*1.5*1.5 |
| weight:kg | 1.2 | weight:kg | 0.02 |
| Part No. | 3901706 | Part No. | 3919053 |
| EN Part name | Retaining ring | EN Part name | Piston pin |
| volume:cm | 4*4*0.1 | volume:cm | 4*4*8 |
| weight:kg | 0.004 | weight:kg | 0.65 |
| Part No. | 3960086 | Part No. | 3903384 |
| EN Part name | Alternator brace | EN Part name | Oil piston ring |
| volume:cm | 30*14*20 | volume:cm | 13*13*8 |
| weight:kg | 3.9 | weight:kg | 0.3 |
| Part No. | 3960071 | Part No. | 3960061 |
| EN Part name | Gear chamber | EN Part name | Gear chamber gasket |
| volume:cm | 63*39*6 | volume:cm | 56*34*0.1 |
| weight:kg | 2.8 | weight:kg | 0.15 |
| Part No. | 3900629 | Part No. | 3900633 |
| EN Part name | Screw | EN Part name | Screw |
| volume:cm | 1.8*1.8*2.6 | volume:cm | 6*2*2 |
| weight:kg | 0.012 | weight:kg | 0.024 |
| Part No. | 3919683 | Part No. | 3914092 |
| EN Part name | Timing pin housing | EN Part name | Rectangular ring |
| volume:cm | 7*4*2.7 | volume:cm | 11.5*11.5*0.5 |
| weight:kg | 0.09 | weight:kg | 0.015 |
| Part No. | 3903924 | Part No. | 3913994 |
| EN Part name | Timing pin | EN Part name | O-ring |
| volume:cm | 2*2*5.5 | volume:cm | 4*4*0.5 |
| weight:kg | 0.009 | weight:kg | 0.015 |
| Part No. | 3907998 | Part No. | 3904849 |
| EN Part name | Screw | EN Part name | Retaining ring |
| volume:cm | 1.5*1.5*3 | volume:cm | 4*4*0.1 |
| weight:kg | 0.012 | weight:kg | 0.001 |
| Part No. | 3903794 | Part No. | 3960319 |
| EN Part name | Gear chamber cover | EN Part name | Gear chamber cover gasket |
| volume:cm | 68*45*3 | volume:cm | 43*35*0.1 |
| weight:kg | 2.2 | weight:kg | 0.13 |
| Part No. | 3900709 | Part No. | 3903463 |
| EN Part name | Crankshaft front oil seal assembly | EN Part name | Access hole |
| volume:cm | 10*10*2.7 | volume:cm | 9*9*2.5 |
| weight:kg | 0.06 | weight:kg | 0.05 |
| Part No. | 3929885 | Part No. | 3907431 |
| EN Part name | Camshaft | EN Part name | Camshaft gear |
| volume:cm | 65*10*7 | volume:cm | 23*23*3.7 |
| weight:kg | 5.5 | weight:kg | 2.9 |
| Part No. | 3927155 | Part No. | 3931623 |
| EN Part name | Camshaft Thrust | EN Part name | Tappet body |
| volume:cm | 9*4*1 | volume:cm | 6*6*3 |
| weight:kg | 0.1 | weight:kg | 0.1 |
| Part No. | 1011Q01-010-A | Part No. | 3960317 |
| EN Part name | Oil pump | EN Part name | Oil cooler core gasket |
| volume:cm | 15*10*8 | volume:cm | 32*14*0.1 |
| weight:kg | 2.2 | weight:kg | 0.02 |
| Part No. | 3960320 | Part No. | 3921557 |
| EN Part name | Filter gasket seat | EN Part name | Oil cooler cores |
| volume:cm | 33*14*0.1 | volume:cm | 33*15*6 |
| weight:kg | 0.05 | weight:kg | 2.35 |
| Part No. | 3902338 | Part No. | 3915787 |
| EN Part name | Bypass | EN Part name | Plug |
| volume:cm | 2*2*3 | volume:cm | 2*2*1.8 |
| weight:kg | 0.01 | weight:kg | 0.025 |
| Part No. | 1012Q01-001 | Part No. | 3900632 |
| EN Part name | Oil filter | EN Part name | Screw |
| volume:cm | 13*8.5*8.5 | volume:cm | 4*1.5*1.5 |
| weight:kg | 0.44 | weight:kg | 0.02 |
| Part No. | 3918427 | Part No. | 3918428 |
| EN Part name | compressed spring | EN Part name | pressure regulating plunger |
| volume:cm | 1.5*1*1 | volume:cm | 2*1*1 |
| weight:kg | 0.01 | weight:kg | 0.02 |
| Part No. | 3960342 | Part No. | 3906698 |
| EN Part name | Water Pump | EN Part name | Rectangular ring |
| volume:cm | 14*13*14 | volume:cm | 9.5*9.5*0.6 |
| weight:kg | 2.5 | weight:kg | 0.01 |
| Part No. | 3933422 | Part No. | 3903845 |
| EN Part name | Cover bowl with a cylinder piston assembly | EN Part name | Fuel filter head adapter |
| volume:cm | 86.5*37.5*25.5 | volume:cm | 2.5*2.5*4 |
| weight:kg | 63 | weight:kg | 0.05 |
| Part No. | 3008468 | Part No. | 3901117 |
| EN Part name | Pipe | EN Part name | Intake valve |
| volume:cm | 2*2*1.3 | volume:cm | 13*4.5*4.5 |
| weight:kg | 0.02 | weight:kg | 0.1 |
| Part No. | 3901607 | Part No. | 3921640 |
| EN Part name | Exhaust valve | EN Part name | Valve stem seal |
| volume:cm | 13*4.5*4.5 | volume:cm | 1.3*1.3*1.8 |
| weight:kg | 0.1 | weight:kg | 0.004 |
| Part No. | 3900276 | Part No. | 3916691 |
| EN Part name | Intake valve stem seal | EN Part name | Exhaust valve stem seal |
| volume:cm | 3.2*3.2*6 | volume:cm | 3.2*3.2*6 |
| weight:kg | 0.09 | weight:kg | 0.09 |
| Part No. | 3900299 | Part No. | 3900250 |
| EN Part name | Valve spring retainer | EN Part name | Valve collet |
| volume:cm | 2.5*2.5*1.2 | volume:cm | 1*1*0.5 |
| weight:kg | 0.02 | weight:kg | 0.01 |
| Part No. | 3903939 | Part No. | 3903938 |
| EN Part name | Cylinder head bolt | EN Part name | Cylinder head bolt |
| volume:cm | 13*2.3*2.3 | volume:cm | 8.3*2.3*2.3 |
| weight:kg | 0.11 | weight:kg | 0.074 |
| Part No. | 3921393 | Part No. | 3910815 |
| EN Part name | Cylinder Head Gasket | EN Part name | Rocker cover support |
| volume:cm | 54*21*0.1 | volume:cm | 10*11*6.5 |
| weight:kg | 0.4 | weight:kg | 1.1 |
| Part No. | 3910810 | Part No. | 3910811 |
| EN Part name | Rocker lever | EN Part name | Rocker lever |
| volume:cm | 9.5*5.5*3 | volume:cm | 9.5*5.5*3 |
| weight:kg | 0.28 | weight:kg | 0.28 |
| Part No. | 3910814 | Part No. | 3907555 |
| EN Part name | Rocker lever support | EN Part name | Plug |
| volume:cm | 10*11*6.5 | volume:cm | 2.2*2.2*0.6 |
| weight:kg | 1.1 | weight:kg | 0.06 |
| Part No. | 3910809 | Part No. | 3900705 |
| EN Part name | Rocker lever | EN Part name | Rocker lever insert |
| volume:cm | 9.5*5.5*3 | volume:cm | 2*2*1.5 |
| weight:kg | 0.28 | weight:kg | 0.01 |
| Part No. | 3900706 | Part No. | 3960358 |
| EN Part name | Slotted set blot | EN Part name | Regular hexago nut |
| volume:cm | 1.8*1.8*4 | volume:cm | 3.5*3.5*2 |
| weight:kg | 0.025 | weight:kg | 0.065 |
| Part No. | 3910808 | Part No. | 3900245 |
| EN Part name | Rocker lever | EN Part name | Flat Washer |
| volume:cm | 9.5*5.5*3 | volume:cm | 1.5*1.5*0.5 |
| weight:kg | 0.28 | weight:kg | 0.01 |
| Part No. | 3904679 | Part No. | 3903940 |
| EN Part name | Pushrod | EN Part name | Hexagon head cap bolt |
| volume:cm | 28*1.2*1.2 | volume:cm | 2.2*2.2*19.8 |
| weight:kg | 0.15 | weight:kg | 0.154 |
| Part No. | 3960076 | Part No. | 3911584 |
| EN Part name | Fan support | EN Part name | Fan belt |
| volume:cm | 20*14*13 | volume:cm | 16*23*3 |
| weight:kg | 3.8 | weight:kg | 0.3 |
| Part No. | 3911924 | Part No. | 1308D5-010 |
| EN Part name | Fan hub | EN Part name | Fan assembly |
| volume:cm | 7.5*8.5*8.5 | volume:cm | 48*48*4 |
| weight:kg | 0.95 | weight:kg | 2.4 |
| Part No. | 3901447 | Part No. | 1308D5-050-A |
| EN Part name | Bolt | EN Part name | Silicone oil fan clutch assembly |
| volume:cm | 1.8*1.8*5.5 | volume:cm | 15*15*10 |
| weight:kg | 0.17 | weight:kg | 2.7 |
| Part No. | 3914462 | Part No. | 3909356 |
| EN Part name | Fan belt pulley | EN Part name | Seals |
| volume:cm | 17*17*8 | volume:cm | 1*1*0.1 |
| weight:kg | 1 | weight:kg | 0.001 |
| Part No. | 3356587 | Part No. | 3902501 |
| EN Part name | Injector with seal assembly | EN Part name | Stud |
| volume:cm | 27*6.5*7 | volume:cm | 8*1*1 |
| weight:kg | 0.72 | weight:kg | 0.044 |
| Part No. | 3960901 | Part No. | 3911331 |
| EN Part name | Fuel injection pump | EN Part name | Fuel pump gear |
| volume:cm | 19*32*30 | volume:cm | 19*19*2 |
| weight:kg | 7.3 | weight:kg | 1.85 |
| Part No. | 3960318 | Part No. | 3900630 |
| EN Part name | Fuel pump seals | EN Part name | Screw |
| volume:cm | 10*10*0.1 | volume:cm | 1.7*1.7*3 |
| weight:kg | 0.01 | weight:kg | 0.01 |
| Part No. | 3905313 | Part No. | 3960018 |
| EN Part name | Fuel pump bracket | EN Part name | Fuel supply pump |
| volume:cm | 7*10*2 | volume:cm | 35*10*10 |
| weight:kg | 0.23 | weight:kg | 0.5 |
| Part No. | 3960042 | Part No. | 3960761 |
| EN Part name | Fuel return pipe | EN Part name | High-pressure pipeline |
| volume:cm | 28*13*5 | volume:cm | 40*24*14 |
| weight:kg | 0.08 | weight:kg | 0.4 |
| Part No. | 3960725 | Part No. | 3960041 |
| EN Part name | High-pressure pipeline | EN Part name | Fuel oil return manifold |
| volume:cm | 34*24*13 | volume:cm | 48*12*6 |
| weight:kg | 0.42 | weight:kg | 0.74 |
| Part No. | 3960374 | Part No. | 3960316 |
| EN Part name | Male union tee | EN Part name | Cover gasket |
| volume:cm | 3.5*5*2 | volume:cm | 6*6*0.1 |
| weight:kg | 0.4 | weight:kg | 0.04 |
| Part No. | 3905649 | Part No. | 3903035 |
| EN Part name | Fuel supply pump | EN Part name | Banjo connector screw |
| volume:cm | 22*4*3 | volume:cm | 3*1.5*1.5 |
| weight:kg | 0.06 | weight:kg | 0.02 |
| Part No. | 3906694 | Part No. | 3904362 |
| EN Part name | Rectangular ring | EN Part name | Fuel filter assembly seat |
| volume:cm | 7.5*7.5*0.2 | volume:cm | 17*8*3 |
| weight:kg | 0.001 | weight:kg | 0.38 |
| Part No. | 3592318 | Part No. | 1117N-001 |
| EN Part name | Bypass turbocharger | EN Part name | Fuel filter assembly |
| volume:cm | 34*28*33 | volume:cm | 8*8*11 |
| weight:kg | 11.8 | weight:kg | 0.3 |
| Part No. | 3960056 | Part No. | 3901356 |
| EN Part name | Exhaust manifold | EN Part name | Turbocharher gasket |
| volume:cm | 43*16*15 | volume:cm | 11*7*0.1 |
| weight:kg | 6.6 | weight:kg | 0.015 |
| Part No. | 3960726 | Part No. | 3960324 |
| EN Part name | Intake manifold gasket | EN Part name | Air inlet pipe cover gasket |
| volume:cm | 50*11*15 | volume:cm | 50*10*0.1 |
| weight:kg | 3.5 | weight:kg | 0.02 |
| Part No. | 3960026 | Part No. | 3960322 |
| EN Part name | Fitting | EN Part name | Flexible hose |
| volume:cm | 2.5*2*2 | volume:cm | 34*5.5*2.5 |
| weight:kg | 0.03 | weight:kg | 0.18 |
| Part No. | 3960057 | Part No. | 3960859 |
| EN Part name | Turbocharger return line | EN Part name | Oil Return Pipe Gasket |
| volume:cm | 22*4*3 | volume:cm | 7*3.2*0.1 |
| weight:kg | 0.06 | weight:kg | 0.002 |
| Part No. | 3922886 | Part No. | 3903745 |
| EN Part name | Oil gauge tube | EN Part name | Straight hose |
| volume:cm | 58*2*2 | volume:cm | 3.1*3.1*8 |
| weight:kg | 0.04 | weight:kg | 0.04 |
| Part No. | 3960349 | Part No. | 108722 |
| EN Part name | Oil suction assembly | EN Part name | Clip |
| volume:cm | 31*29*20 | volume:cm | 2*2*1.5 |
| weight:kg | 0.8 | weight:kg | 0.01 |
| Part No. | 3911535 | Part No. | 3907537 |
| EN Part name | Oil samp gasket | EN Part name | Spring washer |
| volume:cm | 58*37*0.1 | volume:cm | 1.7*1.7*0.8 |
| weight:kg | 0.1 | weight:kg | 0.01 |
| Part No. | 3900215 | Part No. | 3901049 |
| EN Part name | Threaded plug | EN Part name | Oil samp |
| volume:cm | 1.5*1.5*2.2 | volume:cm | 59*32*20 |
| weight:kg | 0.25 | weight:kg | 4.6 |
| Part No. | 3922708 | Part No. | 3905023 |
| EN Part name | gasket | EN Part name | Pushrod chamber cover |
| volume:cm | 46*14*0.8 | volume:cm | 45*19*5 |
| weight:kg | 0.1 | weight:kg | 1.15 |
| Part No. | 3960500 | Part No. | 3900267 |
| EN Part name | Breather baffle | EN Part name | Composite seal |
| volume:cm | 18*15*0.5 | volume:cm | 1.5*1.5*0.1 |
| weight:kg | 0.2 | weight:kg | 0.5 |
| Part No. | 3913914 | Part No. | 3918612 |
| EN Part name | Flywheel | EN Part name | Breather hose |
| volume:cm | 55*55*10 | volume:cm | 16*2.5*2.5 |
| weight:kg | 35.3 | weight:kg | 0.1 |
| Part No. | 3960313 | Part No. | 3901395 |
| EN Part name | Rear cover gasket | EN Part name | Bolt |
| volume:cm | 18*27*0.3 | volume:cm | 1*1*2.5 |
| weight:kg | 0.01 | weight:kg | 0.01 |
| Part No. | 3925529 | Part No. | 3913447 |
| EN Part name | oil seal assembly | EN Part name | Rear seat |
| volume:cm | 15*15*3 | volume:cm | 18*27*3 |
| weight:kg | 0.15 | weight:kg | 0.48 |
| Part No. | 3908095 | Part No. | 3960410 |
| EN Part name | Cover plate | EN Part name | Flywheel case |
| volume:cm | 9.2*0.5*6.3 | volume:cm | 51*50*17 |
| weight:kg | 0.1 | weight:kg | 31.8 |
| Part No. | 3834N-010 | Part No. | 3910248 |
| EN Part name | Electronic tachometer sensor | EN Part name | O-ring plug |
| volume:cm | 7*3.5*3.5 | volume:cm | 4.5*4.5*3 |
| weight:kg | 0.1 | weight:kg | 0.02 |
| Part No. | 3902666 | Part No. | 3909670 |
| EN Part name | valve cover gasket | EN Part name | Clip |
| volume:cm | 13*11*0.5 | volume:cm | 2.5*1.5*1.5 |
| weight:kg | 0.02 | weight:kg | 0.1 |
| Part No. | 3960373 | Part No. | 3960372 |
| EN Part name | Valve with filler cover | EN Part name | alve cover |
| volume:cm | 13*10*8 | volume:cm | 13*10*8 |
| weight:kg | 0.35 | weight:kg | 0.35 |
| Part No. | 37V66-08010-A | Part No. | 3901895 |
| EN Part name | Starting motor | EN Part name | Filler cap |
| volume:cm | 43*24*19 | volume:cm | 4.5*4.5*3 |
| weight:kg | 14.6 | weight:kg | 0.01 |
| Part No. | 3920560 | Part No. | 37V66-01010 |
| EN Part name | Alternator pulley | EN Part name | Alternator |
| volume:cm | 6.6*6.6*4.5 | volume:cm | 20*20*22 |
| weight:kg | 0.6 | weight:kg | 7.9 |
| Part No. | 3960083 | Part No. | 3960350 |
| EN Part name | Connecting brace | EN Part name | Alternator brace |
| volume:cm | 6*8*8 | volume:cm | 30*14*20 |
| weight:kg | 0.2 | weight:kg | 3.9 |
| Part No. | 1306R2-010-B2 | Part No. | 3960078 |
| EN Part name | Thermostat | EN Part name | Thermostat housing |
| volume:cm | 6*6*6 | volume:cm | 11*16.5*6.7 |
| weight:kg | 0.08 | weight:kg | 1.55 |
| Part No. | 3924026 | Part No. | 3913929 |
| EN Part name | Belt tensioner | EN Part name | Lifting bracket |
| volume:cm | 18*11*9 | volume:cm | 20*15*0.5 |
| weight:kg | 1.1 | weight:kg | 0.1 |
| Part No. | 3960370 | Part No. | 3924012 |
| EN Part name | Inlet pipe | EN Part name | Tensioner pulley strut |
| volume:cm | 15*7*9 | volume:cm | 15*11*0.5 |
| weight:kg | 1 | weight:kg | 0.1 |
| Part No. | 3960085 | Part No. | 81V46-04200 |
| EN Part name | Air conditioning bracket | EN Part name | Air-conditioning compressor |
| volume:cm | 7.7*4.2*4 | volume:cm | 25*16*18 |
| weight:kg | 0.183 | weight:kg | 7.2 |
| Part No. | 3910739 | Part No. | A39000BA |
| EN Part name | Bearing | EN Part name | Engine gasket |
| volume:cm | 7*7*4 | volume:cm | 60*40*0.5 |
| weight:kg | 0.4 | weight:kg | 0.5 |
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