Cummins 4B / ISB 4.5 Cylinder Head Components

Cylinder Head Components 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.

12 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.

Part #ReplacesDescriptionFitsPriceAvailability
040146 Cummins 3930249 Cummins SCREW (Pack of 6) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
+2 more
Call for price Request lead time
040157 Cummins 3991132
Cummins 3929456
Cummins CAPSCREW (Pack of 2) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
Call for price Request lead time
040156 Cummins 3939409 Cummins CAPSCREW (Pack of 2) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
Call for price Request lead time
040157OEM Cummins 3991132
Cummins 3929456
Cummins CAPSCREW CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
$25.37 In stock
192059E Cummins 3900299 Valve Spring Retainer, PAI (OEM 3900299), Pack of 4 CUMMINS 6B ENGINES 5.9
CUMMINS 4B ENGINES 3.9
$10.60 Ships from supplier · Lead time confirmed when you order
192221 Cummins 3020211
Cummins 3922715
Cummins B 5.9 NATURAL GAS / 4B 3.9 / 6B 5.9 Standard Intake Insert CUMMINS B 5.9 NATURAL GAS
CUMMINS 4B ENGINES 3.9
+1 more
$30.60 Ships from supplier · Lead time confirmed when you order
192220 — Cummins INTAKE VALVE KIT (Pack of 2) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
+1 more
$23.94 Ships from supplier · Lead time confirmed when you order
192214 — Cummins EXHAUST VALVE KIT (Pack of 2) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
+1 more
$36.30 Ships from supplier · Lead time confirmed when you order
192168 — Cummins EXHAUST VALVE KIT (Pack of 2) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
$178.28 Ships from supplier · Lead time confirmed when you order
192167 Cummins 3925175 Cummins 4B/6B Exhaust Valve, PAI (OEM 3925175), Pack of 2 CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
$177.34 Ships from supplier · Lead time confirmed when you order
040132 Cummins 3349635
Cummins 3818122
DetroitDiesel 11509526
Detroit DIESEL 60 SERIES DETROIT ENGINES SCREW (Pack of 4) CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
+1 more
$33.28 Ships from supplier · Lead time confirmed when you order
040097 Cummins 3944655
Cummins 5285901
Cummins SCREW CUMMINS ISX SERIES
CUMMINS 4B ENGINES 3.9
+1 more
$5.82 Ships from supplier · Lead time confirmed when you order

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