321221 Caterpillar O-Ring | PAI

O-RINGPAI Part #: 321221OEM References: CATERPILLAR 109-0078 CATERPILLAR 1090078 CATERPILLAR 4F7389 CUMMINS 4934085 ROCKWELL (EXCEL PRODUCTS) 1205-X-726 MACK 8235-1205X726 Applications: CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE CATERPILLAR C16 ENGINES CATERPILLAR C18 ENGINE Warranty: 2.0 year(s)

Warranty BackedPAI IndustriesFree Freight

JAK'S Part #JAKS-PAI-321221

Cross Ref109-0078

Cross Ref1090078

Cross Ref4F7389

Cross Ref4934085

$6.99

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Brand	PAI Industries
Part Category	Seals & O-Rings
Engine Make	Caterpillar
Engine Model	3406E · C15 · C16 · C18
Condition	New
Stage / Tier	Standard

O-RING

PAI Part #: 321221

OEM References:

CATERPILLAR 109-0078
CATERPILLAR 1090078
CATERPILLAR 4F7389
CUMMINS 4934085
ROCKWELL (EXCEL PRODUCTS) 1205-X-726
MACK 8235-1205X726

Applications:

CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
CATERPILLAR C16 ENGINES
CATERPILLAR C18 ENGINE

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
109-0078
1090078
4F7389
4934085
8235-1205X726

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.

Caterpillar 3406E C15 C16 C18

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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