121298 Cummins O-Ring | PAI

O-RINGPAI Part #: 121298OEM References: CUMMINS 3678786 MACK 4333-1842106C1 CATERPILLAR 8T7524 NAVISTAR 1842106 NAVISTAR 1842106C1 Applications:CUMMINS ISX SERIESWarranty: 2.0 year(s)

Warranty BackedPAI IndustriesFree Freight

JAK'S Part #JAKS-PAI-121298

Cross Ref3678786

Cross Ref4333-1842106C1

Cross Ref8T7524

Cross Ref1842106

$3.99

In Stock — Ships Today if ordered by 3:00 PM MT

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

Brand	PAI Industries
Part Category	Seals & O-Rings
Engine Make	Cummins
Engine Model	ISX
Condition	New
Stage / Tier	Standard

O-RING

PAI Part #: 121298

OEM References:

CUMMINS 3678786
MACK 4333-1842106C1
CATERPILLAR 8T7524
NAVISTAR 1842106
NAVISTAR 1842106C1

Applications:

CUMMINS ISX SERIES

Warranty: 2.0 year(s)

This part supersedes and cross-references the following OEM, dealer, and competitor numbers. Searching any of these will land here.

Number
3678786
4333-1842106C1
8T7524
1842106
1842106C1

Don't see your number? We cross 1M+ OEM, dealer and competitor part numbers daily. Call or text (720) 445-6249 and a tech will match it by hand.

Cummins ISX

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

Complete The Job