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Cummins 4B / ISB 4.5 Engine Kits
Engine Kits for Cummins 4B / ISB 4.5 engines. Every part in this collection is listed for the 4B, 4BT by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
31 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.
| Part # | Replaces | Description | Fits | Price | Availability |
|---|---|---|---|---|---|
| 4BS113-001 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | Call for price | Request lead time |
| ISB432-151 | — | Cummins 4.5 ENGINES OVERHAUL ENGINE KIT | CUMMINS 4.5 ENGINES | $785.86 | Ships from supplier · Lead time confirmed when you order |
| ISB407-126 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $1,120.84 | Ships from supplier · Lead time confirmed when you order |
| ISB407-101 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $1,120.84 | Ships from supplier · Lead time confirmed when you order |
| 4BS112-101 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $692.17 | Ships from supplier · Lead time confirmed when you order |
| 4BS112-032 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $692.17 | Sold out - call for options |
| 4BS110-001HP | — | Cummins HIGH PERFORMANCE ENGINE KIT | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$1,287.28 | Sold out - call for options |
| 4BS109-138 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $632.29 | Ships from supplier · Lead time confirmed when you order |
| 4BS109-067 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $632.29 | Sold out - call for options |
| 4BS108-061 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $636.32 | Sold out - call for options |
| 4BS108-056 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $636.32 | Sold out - call for options |
| 4BS108-032 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $636.32 | Sold out - call for options |
| 4BS107-117 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-073 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-068 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-051HP | — | Cummins 4B Engines 3 9 High Performance Inframe Engine Kit | CUMMINS 4B ENGINES 3.9 | $1,113.81 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-028 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-017 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Sold out - call for options |
| 4BS107-012 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Sold out - call for options |
| 4BS107-008 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $559.93 | Ships from supplier · Lead time confirmed when you order |
| 4BS107-001HP | — | Cummins 4B ENGINES 3.9 HIGH PERFORMANCE ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $1,113.81 | Ships from supplier · Lead time confirmed when you order |
| 4BS103-073 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $516.94 | Ships from supplier · Lead time confirmed when you order |
| 4BS103-043 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $516.94 | Ships from supplier · Lead time confirmed when you order |
| 4BS103-002 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $516.94 | Sold out - call for options |
| 4BS103-001HP | — | Cummins 4B ENGINES 3.9 HIGH PERFORMANCE ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $713.62 | Sold out - call for options |
| 4BS102-101 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $554.92 | Ships from supplier · Lead time confirmed when you order |
| 4BS102-076 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $554.92 | Ships from supplier · Lead time confirmed when you order |
| 4BS102-002 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $554.92 | Sold out - call for options |
| 4BS101-076 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $619.20 | Ships from supplier · Lead time confirmed when you order |
| 4BS101-063 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $619.20 | Ships from supplier · Lead time confirmed when you order |
| 4BS101-017 | — | Cummins 4B ENGINES 3.9 ENGINE KIT | CUMMINS 4B ENGINES 3.9 | $619.20 | Ships from supplier · Lead time confirmed when you order |
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