The aftercooler (charge air cooler) lowers the temperature of compressed air from the turbocharger before it enters the engine, increasing air density for more efficient combustion. This improves power output while reducing exhaust emissions and thermal stress on engine components. A damaged or leaking aftercooler can cause power loss and reduced fuel efficiency. Replacing it with a quality, OE-compatible unit restores optimal engine performance.
| Description | OE Part No | Remarks |
|---|---|---|
| AFTERCOOLER | 5262613 | 4BT |
| AFTERCOOLER | 5262612/5262611 | 6BT |
| AFTERCOOLER | 5262314/5262315/3924732 | 6CT |
| AFTERCOOLER | 3026923/5275194/5275195 | NT855 |
| AFTERCOOLER | 214836 | V28 |
| AFTERCOOLER | 4910355 | KT19 |
| AFTERCOOLER | 4910356 | QSK19 |
| AFTERCOOLER | 3032030/3626715/3638360/3638361 | KT38/KT50 |
| AFTERCOOLER | 4975632 | QST30 |
| AFTERCOOLER | 3641079/4001325 | QSK45 |
| AFTERCOOLER | 3641078/4100636 | QSK60 |
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