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O-RINGOEM cross-references: CUMMINS 3946188 MACK 4333-1837889C1 NAVISTAR 1837889 NAVISTAR 1837889C1 Warranty: 24 months
Warranty BackedQuality AftermarketFree Freight
JAK'S Part #JAKS-SEAOR-90730
$3.99
In Stock — Ships Today if ordered by 3:00 PM MT
Drop in your engine serial number and a JAK'S tech double-checks this part fits before your order ships — no guesswork.
Secure Checkout 30-Day Returns Warranty Backed Ships Same Day
Not sure it's the right fit? Call a specialist
(720) 445-6249
Talk to a tech or text a photo of your part tag — we'll confirm fitment before you buy

O-RING

OEM cross-references:

  • CUMMINS 3946188
  • MACK 4333-1837889C1
  • NAVISTAR 1837889
  • NAVISTAR 1837889C1

Warranty: 24 months

Warranty Backed. Every part is covered against defects in materials and workmanship. Call a specialist for the coverage details on this part.

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