14 seal parts that fit the Cummins ISC, with brands, part numbers and cross-references.
Numbers in blue open their full cross-reference page — every interchange number for that part.
| Brand | Part number | Description |
|---|---|---|
| Automann | 840.904293 | Gear Housing Gasket Cummins ISC ISL |
| Cummins | 3909411 | oil seal |
| Cummins | 3914761 | oil seal |
| Cummins | 3920147 | oil seal |
| Cummins | 3920404 | oil seal |
| Cummins | 3939284 | New Valve Cover Gasket For 8.3 Cummins Isc Qsc Isl QSL 393928… |
| Cummins | 3944293 | CUMMINS 3944293 Engine Timing Gear Housing Gasket - For Cummi… |
| INTERSTATE-MCBEE | M3939284 | INTERSTATE-MCBEE-Gasket - Valve Cover |
| PAI Industries | 131706 | Gasket Exhaust Manifold Cummins ISC |
| Pai | 136111 | PAI 136111 Engine Crankshaft Seal Kit - Front; Cummins ISC Se… |
| Pai | 136123 | PAI 136123 Engine Crankshaft Seal - Rear; Wet Clutch Cummins… |
| BESTFIT TRUCK PARTS | 29-07030004 | BESTfit 11-13/16 X 10-15/16 Inch DPF Gasket For Cummins ISC 8… |
| Cummins | 3937479 | CUMMINS 3937479 Exhaust Manifold Gasket - Fits Cummins ISC, I… |
| Pai | 131512 | PAI 131512 Exhaust Manifold Gasket - Laminated, Early Model;… |
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Fitment is a guide — always confirm the exact part against your vehicle's spec and VIN.