Mack E6 Fuel System

Fuel System for Mack E6 engines. Every part in this collection is listed for the E6 by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.

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

Part #ReplacesDescriptionFitsPriceAvailability
EFI-2344 Mack 203GC3238
Mack 203GC1357
Mack 203GC3244
Mack E6 2 VALVE ENGINES FUEL TUBE MACK E6 2 VALVE ENGINES Call for price Request lead time
ESP-8542 Mack 79-SP400708 Plunger Spring for ESP-3597, PAI (OEM 79-SP400708), Pack of 6 MACK E6 2 VALVE ENGINES $41.94 Ships from supplier · Lead time confirmed when you order
ESP-3599 Mack 314GC227P2
Mack 935-0440008030
Mack 314GC227P3
+1 more
Mack E6 2 VALVE ENGINES SUPPLY PUMP KIT MACK E6 2 VALVE ENGINES $165.02 Ships from supplier · Lead time confirmed when you order
ESP-3598 Mack 314GC227
Mack 935-0440008015
Mack E6 2 VALVE ENGINES SUPPLY PUMP MACK E6 2 VALVE ENGINES $65.28 Ships from supplier · Lead time confirmed when you order
ESP-3581 Mack 319GC110
Mack 319GC19F
Mack 319GC111
+4 more
Mack E6 2 VALVE ENGINES SUPPLY PUMP MACK E6 2 VALVE ENGINES $91.54 Ships from supplier · Lead time confirmed when you order
ESL-0387 Mack 449GC112B
Cummins S3148
Cummins S-3148
Mack E6 2 VALVE Injection Pump Governor Seal MACK E6 2 VALVE ENGINES $2.80 Ships from supplier · Lead time confirmed when you order
EPP-3586 Mack 79-404760
Mack 79-MP7915A
Mack 318GC17
+8 more
Mack E6 2 VALVE ENGINES PRIMER PUMP MACK E6 2 VALVE ENGINES $15.99 Ships from supplier · Lead time confirmed when you order
EPP-3585 Mack 312SB18
Mack 312SB18A
Mack 2112-S591AB6
+8 more
Mack E6 2 VALVE ENGINES PRIMER PUMP MACK E6 2 VALVE ENGINES $47.14 Ships from supplier · Lead time confirmed when you order
EIM-2028 Mack 20706106
Mack 115GC316
Mack E6 2 VALVE / E7 / E-TECH Nozzle MACK E6 2 VALVE ENGINES
MACK E7 ENGINES
+2 more
$76.56 Ships from supplier · Lead time confirmed when you order
880840 Mack 2112-S592APH3
Mack 318GC217
Mack 5479-102077
+1 more
Mack E6 2 VALVE Supply Pump MACK E6 2 VALVE ENGINES $369.89 Ships from supplier · Lead time confirmed when you order

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