Cummins ISF3.8 Engine Spare Parts Catalog

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Below are the catalog numbers of the original spare parts that are most in demand during maintenance and repair of the engine.

Some numbers may differ depending on the country of delivery, year of manufacture and modification of your engine.

It is recommended to select spare parts by engine number or VIN.

Part - Part Number

Oil filter

Oil filter - 5283170

Intake manifold

Details of the intake manifold: 1 - bolt (M6x1.0x14) - 3900627; 2 - bolt (M8x1.25x40) - 3900678; 3 - bolt (M8x1.25x90) - 3913366; 4 - bolt with flange and hex head - 3966976; 6 - plug - 4940117; 7 - intake manifold gasket - 4983020; 8 - Heating element of the start-up assistance system - 5289774; 9 - intake manifold pipe - 5272693

Exhaust manifold

Exhaust manifold parts: 1 - bolt with flange and hex head - 3944593; 2 - hairpin - 3944655; 3 - bushing - 3945252; 4 - exhaust manifold - 3948477; 5 - exhaust manifold gasket - 2830444

Cylinder block

Details of the cylinder block: 2 - bolt (M10x1.5x25) - 3902460; 3 - cylinder block amplifier - 4945794; 5 - bolt with flange and hexagonal head - 3927948; 6 - bushing - 5298256; 7 - cylinder block - 5289698, 5289696; 8 - round pin - 3900068; 9 - cover of the main bearing shell - 4932259, 4932260; 10 - main bearing shell cap - 4932261

Pusher

1 - valve lifter - 3947759

Connecting rod and piston group

Details of the connecting rod and piston group: 1 - connecting rod bushing - 5257363; 2 - connecting rod cap bolt - 4891179; 3 - connecting rod - 4989162, 5257364; 4 - connecting rod bearing, upper - 4948508; 5 - connecting rod bearing lower - 4948509; 6 - piston - 5258754, piston (+0.5 mm) - 5262760, piston (+1.0 mm) - 5262761, piston kit (4 pcs.) - 2881748; 7 - retaining ring - 3920691; 8 - oil scraper ring - 3932520; 9 - the first compression ring - 3959079; 10 - second compression ring - 3943447; 11 - piston pin - 3934047; 12 - piston cooling nozzle - 4937308; 13 - banjo connector bolt - 3964817

Crankshaft

Crankshaft parts: 1 - spline bushing - 4937957; 2 - crankshaft bushing - 2831066; 3 - crankshaft gear - 4934419; 4 - crankshaft - 5261375; 5 - locating pin - 3904483; 6 - lower main bearing shell - 4948504; 7 - upper main bearing shell - 4948505; 8 - thrust bearing of the main bearing of the crankshaft - 4948506; 9 - a set of repair bushings of the front crankshaft oil seal - 3802820; 10 - a set of repair sleeves for the rear oil seal of the crankshaft - 3926126

Cylinder block front cover

Details of the front cover of the cylinder block: 4 - oil seal - 4890832; 5 - gland - 4938765; 6 - front cover gasket - 4980605; 7 - oil pump rotor, driven - 4947067; 8 - leading oil pump rotor - 4947068; 9 - pressure reducing valve - 4947069; 10 - gasket - 4947071; 12 - gasket - 4947073

Flywheel housing

Flywheel housing parts: 6 - O-ring - 3910260; 8 - oil seal - 3968563

Crankcase breather

Breather parts: 1 - o-ring - 145536; 5 - breather tube - 5259121; 6 - oil separator breather - 5259161; 7 - hose - 4947079

Oil pan

Oil pan parts: 2 - gasket - 4995185; 3 - oil pan - 5266886; 4 - oil pan gasket - 5256541

Generator

Generator - part number 5272634

Turbocharger pipes

Turbocharger pipes: 1 - external threaded fitting - 5269713; 2 - oil drain pipe gasket - 3934638; 3 - bolt (M6x1.0x16) - 3913638; 4 - sealing ring - 3922794; 5 - fitting with external thread - 3932446; 6 - sealing washer - 3932484; 7 - flexible hose - 5282268; 8 - hose - 5263842; 10 - oil drain pipe from the turbocharger - 5253733; 11 - oil drain pipe from the turbocharger - 5265252; 12 - o-ring - 3928624

Turbocharger

1 - Turbocharger - 2836258, 2842804; 2 - gasket - 3932475

Attachment belt tensioner

2 - Attachment Belt Tensioner - 5267127

Fan drive

4 - fan hub holder - 3923044; 5 - bearing - 3910739; 6 - fan hub - 5272335; 7 - fan support - 4941319; 8 - fan pulley - 4934465

Coolant pump

1 - bolt - 3901865; 2 - coolant pump - 5263374

Thermostat

1 - thermostat - 3973834; 2 - O-ring - 3954829

Cylinder head cover

1 - sealing washer - 4940584; 4 - cylinder head cover gasket - 4946239

Cylinder head

1 - bolt - 4940194; 2 - cylinder head gasket - 4943051; 3 - cracker - 3940123; 4 - exhaust valve - 3940734; 5 - inlet valve - 3940735; 6 - oil scraper cap - 3955393; 7 - valve spring - 4936080; 8 - valve spring plate - 3943198; 12 - valve seat - 3943449, (rem. 0.127 mm) - 3939719, (rem. 0254 mm) - 3939720, (rem. 0.508 mm) - 3939721; 13 - valve seat 3943450, (rem. 0.127 mm) - 3939723, (rem. 0.254 mm) - 3939724, (rem. 0508 mm) - 3939725; 14 - cylinder head - 5258276

Camshaft

Camshaft parts: 1 - camshaft gear - 3955152; 2 - thrust plate - 5258931; 3- bolt (M8x1.25x16) - 3925883; 5 - camshaft - 5259582

Yokes

1 - valve bridge - 4940179; 2 - pusher rod - 5272007; 4 - axis of rocker arms - 4928699; 5 - rocker support - 5259508; 6 - socket holder - 3935945; 7 - nest under the rocker - 3935946; 10 - rocker - 5259945, 5259952; 12 - rocker - 5259946

Injector

2 - Nozzle holder - 4944917; 3 - seal - 5288374; 4 - nozzle - 5283275; 5 - o-ring - 5288373

High pressure fuel pipes and fuel rail

2 - high pressure fuel pipe - 4941699; 3 - high pressure fuel pipe - 4941701; 4 - pressure sensor - 3974092; 5 - pressure reducing valve - 3974093; 6 - fuel manifold - 4947583

Fuel filter

4 - filter element - 5283169

High pressure fuel pump (high pressure fuel pump)

2 - injection pump gear - 3955153; 5 - sealing ring - 2830977; 6 - sealing washer - 4891385; 9 - injection pump - 5256608; 10 - supply control valve - 5257595; 11 - sealing ring - 3947269; 12 - o-ring - 3947270

Starter

Starter part number 5263797