Enhance your Cummins 4BT3.9 4B engine's performance with our 4089648 Upper Engine Gasket Set. Designed to deliver top-notch quality and durability, this set includes the essential components 3804896 and 3802361 for seamless installation and improved engine operation.
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4089648(Supersedes3804896 3802361)
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Upper Engine Gasket Set | |
| PN | NAME | QTY |
| 3283333 | CYLINDER HEAD GASKET | 1 |
| 3823921 | GAUGE,CYL HEAD CAPSCR LGT | 1 |
| 3900808 | INJECTOR SEAL | 4 |
| 3901356 | TURBOCHARGER GASKET | 1 |
| 3902425 | SEALING WASHER | 1 |
| 3906694 | RECTANGULAR RING SEAL | 1 |
| 3906773 | SEALING WASHER | 1 |
| 3910824 | O RING SEAL | 4 |
| 3912220 | EXHAUST OUTLET CONNECTION GASKET | 1 |
| 3918188 | SEALING WASHER | 2 |
| 3919358 | INJECTOR SLEEVE | 4 |
| 3923261 | INJECTOR SEAL | 4 |
| 3923331 | THERMOSTAT HOUSING COVER GASKET | 1 |
| 3927154 | EXHAUST MANIFOLD GASKET | 4 |
| 3930906 | VALVE COVER GASKET | 4 |
| 3935449 | NOISE ISOLATOR | 4 |
| 3936876 | RECTANGULAR RING SEAL | 1 |
| 3937142 | INJECTOR SEAL | 4 |
| 3938153 | INTAKE MANIFOLD COVER GASKET | 1 |
| 3957912 | VALVE STEM SEAL | 8 |
| 4942278 | BANJO CONNECTOR SEAL | 4 |
| 5264569 | OIL DRAIN GASKET | 1 |