Cummins QSD 4.2 Parts

Cummins Mercruiser QSD 4.2

We offer a wide array of replacement parts and service consumables specifically for the Cummins Mercruiser QSD 4.2 diesel engine, catering to various models including the EL / ES 270, 320 and 350. To begin your search, you'll need to know your engine's serial number. Once you have this, simply select your engine model from our range to locate the appropriate parts.

The Cummins Mercruiser Diesel QSD 4.2 engine is renowned for its power and reliability. This engine boasts a 4.2-liter capacity and is typically configured with six cylinders, delivering impressive horsepower and torque. Its design is optimised for marine applications, making it a popular choice for larger boats that require significant power.

We are on hand to help you find the QSD 4.2 parts for your boat, please don't hesitate to reach out to our specialist team. You can contact us via email at sales@keypart.com or by calling +44(0)1923 276000. Our experts will gladly assist you in identifying the precise parts you require.

Model Production Years Serial Number Range
CMD 4.2 EI 250 88040001 to 88040508
CMD 4.2 EI 250 88040600 to 88050000
CMD 4.2 EI 270 88060001 to 88070000
CMD 4.2 EI 300 88050800 to 88060000
CMD 4.2 EI 300 VM 88050001 to 88050643
CMD 4.2 EI 320 88070001 to 88080000
CMD 4.2 ES 250 88040001 to 88040508
CMD 4.2 ES 250 88040600 to 88050000
CMD 4.2 ES 270 88060001 to 88070000
CMD 4.2 ES 300 88050800 to 88060000
CMD 4.2 ES 300 VM 88050001 to 88050643
QSD 4.2 EI 270 88400000 to 88400999
QSD 4.2 EI 320 88405000 to 88416999
QSD 4.2 EI 350 88416000 to 88416999
QSD 4.2 ES 270 88401000 to 88404999
QSD 4.2 ES 320 88406000 to 88415999
QSD 4.2 ES 350 88417000 to 88419999
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