4 filter parts that fit the Cummins 4B, 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 |
|---|---|---|
| Akmi | ak3919806 | AKMI AK-3919806 Aftercooler Element - for Cummins 6BT Diesel… |
| Cummins | 3960421 | Tube Fuel Filter Supply For Cummins 4B 3.9L 4.5L ISB ISF 5.9L… |
| Cummins | 3979393 | Lubricating Oil Filter Head For Cummins 4B B3.9 ISB 6B B5.9 B… |
| Cummins | 4931572 | HEAD LUB OIL FILTER Pressure Valve For Cummins 4B B3.9 6B 5.9… |
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Fitment is a guide — always confirm the exact part against your vehicle's spec and VIN.