The Cummins 5543593 is a genuine aftercooler for the QSK60 and QSK50 diesel engines. G Service Power has 2 units in UK stock, new surplus, at £1,500 each excl. VAT, ready for next-day worldwide dispatch. It supersedes 3641078 and 4101030. Call +44 7951 632187.
| Part number (MPN) | 5543593 |
|---|---|
| Manufacturer | Cummins |
| Product | QSK60 / QSK50 Aftercooler |
| Component | Aftercooler |
| Quantity available | 2 units |
| Stock list date | 6 November 2026 |
| Location | UK — ready to ship worldwide |
| Condition | New surplus |
| Availability | In stock — next-day worldwide dispatch |
| Price | £1,500 ex works UK, excl. VAT |
| Reference | SL-5543593 |
The Cummins 5543593 fits Cummins QSK60 and QSK50. Related part numbers: 3641078 (supersedes, Cummins) and 4101030 (supersedes, Cummins).
| Make | Model | Notes |
|---|---|---|
| Cummins | QSK60 | QSK60, per our stock list |
| Cummins | QSK50 | QSK50-M / QSK50-DM (marine), per our stock list |
| Part number | Brand | Relation | Notes |
|---|---|---|---|
| 3641078 | Cummins | Supersedes | |
| 4101030 | Cummins | Supersedes |
Our stock list gives this number for the QSK60 and QSK50 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.
Genuine Cummins aftercooler for the QSK60 and QSK50 diesel engines, part number 5543593. The aftercooler cools the charge air after the turbochargers have compressed it, so that denser, cooler air reaches the cylinders; that holds the engine's power and keeps combustion and exhaust temperatures down. Single-stage and two-stage turbocharged builds take different aftercoolers, so send the number on your old aftercooler and your ESN.
5543593 supersedes 3641078 and 4101030: Cummins replaced the older numbers with this one, so this is the part to ask for when your parts book or your old part carries one of them. Our stock list gives this number for the QSK60 and QSK50 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. 2 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 and QSK50 — 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.
For sale from UK stock. Quote any of these references when you call.
| Part number | 5543593 |
|---|---|
| Engine model | Cummins QSK60 and QSK50 |