Home/Cummins B-Series Parts — ISB, 6BT, 4BT & QSB/Straight Thread O-Ring Boss Plug, PAI 050572 (OEM 3680420), Pack of 5
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Cummins · Models: ISX / 6B 5.9 / ISB / QSB

Straight Thread O-Ring Boss Plug, PAI 050572 (OEM 3680420), Pack of 5

Commercial diesel fastener / hardware. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$36.75
In stock — confirm dispatch timing 37 available
Fitment details

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PAI Part #050572
JAK'S Part #JAKS-050572
Catalog ref3680420
Catalog ref23533181
Catalog ref6635-VSTI14X15OR
Catalog ref3678921
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Kit Membership

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This part is included in 3 engine & overhaul kits — find yours below.

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Straight Thread O-Ring Boss Plug, PAI 050572 (OEM 3680420), Pack of 5
BrandPAI Industries
Part CategoryFasteners & Hardware
Engine MakeCummins
Engine ModelISX · 6B 5.9 · ISB · QSB
ConditionNew
Stage / TierStandard

Pack of 5.

PAI 050572. Steel straight-thread O-ring boss plug with M14x1.5 thread, 19 mm outside diameter and 16 mm length. Includes PAI 121210 O-ring.

Manufacturer application table: CUMMINS ISX SERIES; CUMMINS 6B ENGINES 5.9; CUMMINS ISB ENGINES; CUMMINS QSB INDUSTRIAL/MARINE ENGINES.

Manufacturer product cross-references
CUMMINS 3680420
DETROIT DIESEL 23533181
MACK 6635-VSTI14X15OR
CUMMINS 3678921
CUMMINS 3977853
DETROIT 23533181

Compare the complete part number and listed specifications with your required part before ordering.

For Cummins QSB Series Engine applications in the industrial and marine configurations listed by PAI.

PAI Part #: 050572

OEM References:

  • CUMMINS 3680420
  • DETROIT DIESEL 23533181
  • MACK 6635-VSTI14X15OR
  • CUMMINS 3678921
  • CUMMINS 3977853

Applications:

  • CUMMINS ISX SERIES
  • CUMMINS 6B ENGINES 5.9
  • CUMMINS ISB ENGINES
  • CUMMINS QSB SERIES ENGINE

Warranty: 2.0 year(s)