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O-RINGOEM cross-references: MACK 20705238 MACK 56AX478 CATERPILLAR 5H7370 CATERPILLAR 8T7230
Warranty BackedQuality AftermarketFree Freight
JAK'S Part #JAKS-EGS-3905-019OEM
$2.99
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:

  • MACK 20705238
  • MACK 56AX478
  • CATERPILLAR 5H7370
  • CATERPILLAR 8T7230

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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