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Cummins ISB / QSB / 6B 5.9 / 6.7 Fasteners & Hardware
Fasteners & Hardware for Cummins ISB / QSB / 6B 5.9 / 6.7 engines. Every part in this collection is listed for the 6B, 6BT, ISB, QSB by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
16 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 |
|---|---|---|---|---|---|
| 042104 | Cummins 5304432 Cummins 4896768 |
Cummins HEX BOLT | CUMMINS ISB ENGINES CUMMINS QSB SERIES ENGINE |
Call for price | Request lead time |
| 171691 | Cummins 3955030 Cummins 3680505 Cummins 3681054 |
Cummins ISB ENGINES DOWEL PIN | CUMMINS ISB ENGINES | $4.35 | Ships from supplier · Lead time confirmed when you order |
| 050572 | Cummins 3680420 DetroitDiesel 23533181 Mack 6635-VSTI14X15OR +2 more |
Straight Thread O-Ring Boss Plug, PAI (OEM 3680420), Pack of 5 | CUMMINS ISX SERIES CUMMINS 6B ENGINES 5.9 +2 more |
$36.75 | Ships from supplier · Lead time confirmed when you order |
| 045067 | Cummins 3902343 | Cummins ISB Dowel Ring | CUMMINS ISB ENGINES | $3.08 | Ships from supplier · Lead time confirmed when you order |
| 042095 | Cummins 3529610 | Cummins Hardened Flat Washer, PAI (OEM 3529610), Pack of 10 | CUMMINS 6C ENGINES 8.3 CUMMINS ISC ENGINES +1 more |
$43.50 | Ships from supplier · Lead time confirmed when you order |
| 042050 | — | Magnetic Drain Plug, PAI (OEM Ref 3911638), Pack of 1 | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$10.07 | Ships from supplier · Lead time confirmed when you order |
| 042024 | — | Cummins 4B 3.9 / 6B 5.9 Magnetic Drain Plug | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$11.99 | Ships from supplier · Lead time confirmed when you order |
| 040145 | Cummins 3907860 | Cummins Flanged Hex Head Screw, PAI (OEM 3907860), Pack of 4 | CUMMINS 6C ENGINES 8.3 CUMMINS ISC ENGINES +7 more |
$9.52 | Ships from supplier · Lead time confirmed when you order |
| 040110 | Cummins 3818823 | Cummins Turbocharger Mounting Stud, PAI (OEM 3818823), Pack of 8 | CUMMINS 6C ENGINES 8.3 CUMMINS L10 ENGINE +7 more |
$26.80 | Ships from supplier · Lead time confirmed when you order |
| 040107 | — | Cummins ISB Plug Kit | CUMMINS ISB ENGINES | $33.00 | Ships from supplier · Lead time confirmed when you order |
| 040096 | — | Cummins 6B 5.9 Block Plug Kit | CUMMINS 6B ENGINES 5.9 | $21.88 | Ships from supplier · Lead time confirmed when you order |
| 040094 | Cummins 3901969 | 2-3/4in Welch Plug, PAI (OEM 3901969), Pack of 1 | CUMMINS 4B ENGINES 3.9 CUMMINS 6B ENGINES 5.9 |
$5.46 | Ships from supplier · Lead time confirmed when you order |
| 040093 | Cummins 3812090 Cummins 3922072 Cummins 3900965 +2 more |
Cummins CUP PLUG (Pack of 3) | CUMMINS 4B ENGINES 3.9 CUMMINS 6C ENGINES 8.3 +3 more |
$9.54 | Ships from supplier · Lead time confirmed when you order |
| 040079 | Cummins 3936685 DetroitDiesel 472990003 DetroitDiesel A4729900003 +3 more |
Cummins / Mack 6C 8.3 / 6B 5.9 / MP7 Screw | CUMMINS 6C ENGINES 8.3 CUMMINS 6B ENGINES 5.9 +2 more |
$48.90 | Ships from supplier · Lead time confirmed when you order |
| 040044 | Cummins 3907233 | Cummins 150mm Hex Head Screw, PAI (OEM 3907233), Pack of 6 | CUMMINS ISB ENGINES CUMMINS QSB SERIES ENGINE |
$23.16 | Ships from supplier · Lead time confirmed when you order |
| 040043 | Cummins 3907234 | Cummins 70mm Hex Head Screw, PAI (OEM 3907234), Pack of 6 | CUMMINS ISB ENGINES CUMMINS QSB SERIES ENGINE |
$20.76 | Ships from supplier · Lead time confirmed when you order |
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