G Service PowerMarine & Industrial Power☎ +44 7951 632187
Cummins Part No. 5371866 · In stock

Cummins QSK60 Piston 5371866

The Cummins 5371866 is a genuine piston for the QSK60 diesel engine. G Service Power has 16 units in UK stock, new surplus, at £1,500 each excl. VAT, ready for next-day worldwide dispatch. Cummins now lists 6421834 in its place. Call +44 7951 632187.

Part number
5371866
Superseded by
6421834
Engine
Cummins QSK60
In UK stock
16 units
Condition
New surplus

Specification

Part number (MPN)5371866
ManufacturerCummins
ProductQSK60 Piston
ComponentPiston
Quantity available16 units
Stock list date6 November 2026
LocationUK — ready to ship worldwide
ConditionNew surplus
AvailabilityIn stock — next-day worldwide dispatch
Price£1,500 ex works UK, excl. VAT
ReferenceSL-5371866

Compatibility

The Cummins 5371866 fits Cummins QSK60. Related part numbers: 6421834 (superseded by, Cummins).

Compatible engines

MakeModelNotes
CumminsQSK60QSK60, per our stock list

Interchangeable & related part numbers

Part numberBrandRelationNotes
6421834CumminsSuperseded by

Our stock list gives this number for the QSK60 without naming the build, so confirm it by your engine serial number. Fitment and interchange data is compiled from manufacturer catalogues and cross-reference listings and can change at engine serial-number breaks. Quote your engine serial number and existing part number when you call and we will confirm before dispatch.

About this part

Genuine Cummins piston for the QSK60 diesel engine, part number 5371866. The piston takes the force of combustion and passes it through the connecting rod to the crankshaft. The right piston depends on the build and its rating, so send the number on your old piston and your ESN and we confirm the match. An engine takes 16.

Cummins has since superseded 5371866 with 6421834. The part in stock carries 5371866, and we confirm that it suits your engine before you order. Our stock list gives this number for the QSK60 but not the build it fits, so send your engine serial number (ESN) and the number on your old part and we confirm the match.

Condition: new surplus, meaning a genuine part bought for a project or a fleet that has not been run in operational service. 16 units available at £1,500 each plus VAT. Please confirm the part number against your engine serial number before ordering. In UK stock — call +44 7951 632187 or message on WhatsApp for shipping and availability.

Compatibility: fits Cummins QSK60 — the full list of engines and interchangeable part numbers is on the . Confirm against your engine serial number before ordering, or call us and we will check it with you.

Related stock

All parts in stock

Part number guides

Part number & references

For sale from UK stock. Quote any of these references when you call.

Part number5371866
Engine modelCummins QSK60

Frequently asked questions

Which engines does the Cummins 5371866 fit?
It fits Cummins QSK60. Our stock list gives this number for the QSK60 without naming the build, so confirm it by your engine serial number. Fitment can change at engine serial-number breaks, so quote your engine serial number when you call and we will confirm it.
Which part numbers are interchangeable with 5371866?
The related numbers are 6421834 (superseded by, Cummins). The Compatibility tab states each number's relation to this part — a supersession or cross-reference is the same part or its direct replacement; a marking or kit number is not a separate part.
What is the Cummins 5371866?
Genuine Cummins piston for the QSK60 diesel engine, part number 5371866. The piston takes the force of combustion and passes it through the connecting rod to the crankshaft.
Is the 5371866 new or used?
This unit is new surplus, supplied from UK stock.
How much is it and how do I buy it?
£1,500 ex works UK, excl. VAT. Call G Service Power on +44 7951 632187 or message on WhatsApp.
Do you ship worldwide?
Yes. In-stock items are dispatched next day and shipped worldwide with export packing and documentation.