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4.3L Engine

The 4.3L is a 4.3 L 6-cylinder naturally engine rated at 1800 rpm, producing up to 40 kW. It powers generator sets from KEM Equipment, including the 4.3L Constant Duty Natural Gas. It holds 4.3 L (1.1 gal) of oil and 18.1 L (4.8 gal) of coolant.

Also known as: 4.3L

Part of the 4.3L engine family — 2 variants share parts & fitment.

4.3 L
Displacement
6
Cylinders
1800 rpm
Rated speed
40 kW
Gross power
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Engine specifications

Oil capacity4.3 L
Coolant capacity18.1 L
Displacement4.3 L
Cylinders6
AspirationNaturally
Rated speed1800 rpm
Gross power40 kW

Generator sets powered by this engine

1
KEM Equipment 4.3L Constant Duty Natural Gas

Maintenance schedule

ItemSpecCapacityPart #Interval
Oil filterOil Filter188052 Amazon eBay
BeltBelt Idler Pulley (Grooved)1.062 buy

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Parts cataloged across the 4.3L family

35
Part #DescriptionCategory
1.062Belt Idler Pulley (Grooved)Belt
374176Drive BeltBelt
188045Exhaust Manifold GasketGasket
188048Oil Filter Adapter Seal (O-ring)Oil filter
188050Oil Filter Adapter GasketOil filter
188052Oil FilterOil filter
0.096Crankshaft Bearing KitService part / kit
0.303Valve SpringService part / kit
0.308Valve Stem Oil SealsService part / kit
0.309Valve Spring CapService part / kit
0.310Valve Stem KeyService part / kit
0.333Valve Rocker Arm AssemblyService part / kit
0.386Valve Rocker Arm CoverService part / kit
0.423Valve Rocker Arm Cover Bolt GrommetService part / kit
0.426Valve PushrodService part / kit
0.429Valve Rocker Arm SupportService part / kit
0.439Valve Lifter Pushrod GuideService part / kit
0.459Valve LifterService part / kit
0.529Balance Shaft Gear Kit (Includes Drive and Driven Gears)Service part / kit
0.539Camshaft BearingService part / kit
0.603Connecting RodService part / kit
0.616Connecting Rod Bearing KitService part / kit
0.649Clutch Pilot BearingService part / kit
0.659Balance ShaftService part / kit
0.662Crankshaft Balancer KeyService part / kit
0.724Camshaft Timing ChainService part / kit
0.736Camshaft SprocketService part / kit
1-6-5-4-3-2Firing OrderService part / kit
1.219Coolant RadiatorService part / kit
3.454Accelerator Control Cable BracketService part / kit
328540Clutch Pilot Bearing Remover J 43276-2 Forcing ScrewService part / kit
353275Clutch Pilot Bearing Remover J 43276Service part / kit
64126Clutch Pilot Bearing Remover J 43276-1 Tool BodyService part / kit
0.137Crankshaft Rear Oil SealSeal
0.213Crankshaft Front Oil SealSeal

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the oil capacity of the 4.3L?

The 4.3L engine has an oil capacity of 4.3 liters.

What is the displacement of the 4.3L?

The 4.3L has a displacement of 4.3 liters with 6 cylinders.

Which generators use the 4.3L engine?

The 4.3L powers 1 generator set(s), including KEM Equipment 4.3L Constant Duty Natural Gas.