Mack E6 Fasteners & Hardware

Fasteners & Hardware 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.

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

Part #ReplacesDescriptionFitsPriceAvailability
ENU-2782 Mack 7536-182669 Mack E6 2 VALVE ENGINES NUT (Pack of 10) MACK E6 2 VALVE ENGINES $29.90 Ships from supplier · Lead time confirmed when you order
ENU-2780 Mack 261SB51
Mack 7536-141073
Mack 3088-X1702
+1 more
Fuller NUT (Pack of 10) FULLER 6613 TRANSMISSION
FULLER 9513 SERIES
+2 more
$29.90 Ships from supplier · Lead time confirmed when you order
ENU-0277 Mack 23AX514
Mack 25500683
Mack E6 2 VALVE ENGINES NUT (Pack of 4) MACK E6 2 VALVE ENGINES $17.16 Sold out - call for options
ENU-0275 Caterpillar 82-1944
Caterpillar 77-3407
Caterpillar 78-5167
+8 more
Mack E6 2 VALVE ENGINES NUT (Pack of 10) MACK E6 2 VALVE ENGINES $29.90 Ships from supplier · Lead time confirmed when you order
ENU-0204 Mack 142GC199
Mack 79-NT403377
Mack 79-WMU21321X
Mack E6 2 VALVE ENGINES NUT (Pack of 5) MACK E6 2 VALVE ENGINES $15.55 Ships from supplier · Lead time confirmed when you order
ENU-0188 Mack 25087854
Mack 21AX801
Mack 20705836
+5 more
Mack E6 2 VALVE ENGINES NUT (Pack of 5) MACK E6 2 VALVE ENGINES $13.80 Ships from supplier · Lead time confirmed when you order
ENU-0071 Mack 4103-5000810839
Mack 22AX22C
Mack 22AX9C
+5 more
Mack E6 2 VALVE ENGINES NUT (Pack of 6) MACK E6 2 VALVE ENGINES $17.94 Ships from supplier · Lead time confirmed when you order
ENU-0070 Mack 4333-9413981
Navistar 9413981
Mack 23AX395
Mack E6 2 VALVE ENGINES NUT (Pack of 10) MACK E6 2 VALVE ENGINES $120.60 Ships from supplier · Lead time confirmed when you order
EKY-3172 Mack 42AX176 Mack E6 Water Pump Key, PAI (OEM 42AX176), Pack of 10 MACK E6 2 VALVE ENGINES $30.10 Ships from supplier · Lead time confirmed when you order
EKY-3171 Mack 20704774
Mack 42AX28
Mack E6 2 VALVE ENGINES KEY (Pack of 5) MACK E6 2 VALVE ENGINES $14.25 Ships from supplier · Lead time confirmed when you order
EKY-3170 Mack 42AX618 E6 Injection Drive Shaft Key, PAI (OEM 42AX618), Pack of 5 MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
EKY-2645 Mack 43AX70
Mack 79-KY403378
Mack 79-KY765
Mack E6 2 VALVE ENGINES KEY (Pack of 5) MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
EKY-2644 Mack 20704778
Mack 42AX336
Mack E6 2 VALVE ENGINES KEY (Pack of 5) MACK E6 2 VALVE ENGINES $19.95 Ships from supplier · Lead time confirmed when you order
EKY-2643 Mack 42AX177 Mack E6 Auxiliary Shaft Key, PAI (OEM 42AX177), Pack of 5 MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
EKY-2642 Mack 42AX214 Timing Gear Injection Pump Key, PAI (OEM 42AX214), Pack of 5 MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
EKY-2640 Mack 42AX550 Mack E6 Crankshaft Hub Key, PAI (OEM 42AX550), Pack of 5 MACK E6 2 VALVE ENGINES $24.95 Ships from supplier · Lead time confirmed when you order
EGS-3890-024 Mack 56AX465
Mack 56AX326
Mack 56AX576
+1 more
Mack E6 2 VALVE ENGINES WASHER (Pack of 20) MACK E6 2 VALVE ENGINES $20.00 Ships from supplier · Lead time confirmed when you order
EGK-3866 Mack 590GB1352 Mack E6 2 VALVE ENGINES WASHER (Pack of 6) MACK E6 2 VALVE ENGINES $17.94 Ships from supplier · Lead time confirmed when you order
ECP-8660 Mack 79AX65Z
Mack 79AX65
Mack 79AX66Z
+4 more
Mack CUP PLUG (Pack of 5) MACK E6 2 VALVE ENGINES
MACK E7 ENGINES
+2 more
$13.30 Ships from supplier · Lead time confirmed when you order
EBK-2769-STD Mack 57GC2110P1
Mack 57GC2110
Mack 441SB121
Mack E6 2 VALVE ENGINES WASHER KIT MACK E6 2 VALVE ENGINES $33.36 Ships from supplier · Lead time confirmed when you order
BWA-0054 Mack 3398-WP59310
Mack 3088-X31000
Mack 3088-X31006
+16 more
Eaton WASHER (Pack of 10) EATON RT 440 REAR-REAR DIFF
EATON RT 460 REAR-REAR DIFF
+14 more
$29.90 Ships from supplier · Lead time confirmed when you order
BWA-0051 Mack 36AX4
Mack 36AX4X
Mack 36AX42
+15 more
Mack V8 MACK E9 / E6 2 VALVE / E7 Washer EATON DP 440 FORWARD-REAR
EATON DP 460 FORWARD-REAR
+8 more
$29.90 Ships from supplier · Lead time confirmed when you order
BNU-0261 HendricksonDistributionCenter 30978-000
Mack 4000-30978000
Mack 21AX784
+10 more
Mack NUT (Pack of 20) MACK E6 2 VALVE ENGINES
MACK UNIVERSAL
$59.80 Ships from supplier · Lead time confirmed when you order
BNU-0195 HendricksonDistributionCenter 17700-034
HendricksonDistributionCenter 17700-34
Mack 4000-17700034
+1 more
Mack E6 2 VALVE ENGINES NUT (Pack of 5) MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
BNU-0192 Mack 21AX638
Mack 21AX683
Mack 3088-X1805
+1 more
Mack E6 2 VALVE ENGINES NUT (Pack of 10) MACK E6 2 VALVE ENGINES $29.90 Ships from supplier · Lead time confirmed when you order
BNU-0191 Mack 21AX639
Mack 21AX694
Mack 20704742
Mack E6 2 VALVE ENGINES NUT (Pack of 5) MACK E6 2 VALVE ENGINES $14.95 Ships from supplier · Lead time confirmed when you order
EWA-0061 Mack 37AX1
Mack 35AX127
Mack 35AX183
+6 more
Cat / Caterpillar WASHER (Pack of 50) CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$149.50 Ships from supplier · Lead time confirmed when you order

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