Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Caterpillar

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings261-3394: 3.53 x 579.4mm 75A FKM O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings261-3394: 3.53 x 579.4mm 75A FKM O-Ring
261-3394: 3.53 x 579.4mm 75A FKM O-Ring

O-ring

Brand: Cat

Product Images
261-3394: 3.53 x 579.4mm 75A FKM O-Ring
261-3394: 3.53 x 579.4mm 75A FKM O-Ring
261-3394: 3.53 x 579.4mm 75A FKM O-Ring
261-3394: 3.53 x 579.4mm 75A FKM O-Ring
261-3394: 3.53 x 579.4mm 75A FKM O-Ring

O-ring

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 261-3394

Units of Measure

USMetric
Cross Section Diameter (mm): 3.53
Cross Section Diameter (in): 0.139
Inside Diameter (mm): 579.4
Inside Diameter (in): 22.811
Material: FKM (70),Rubber,FKM,Fluoroelastomer (FKM) Rubber
Polymer: Fkm (fluorocarbon)
Material Hardness: 70a
View More
Compatible Models for part number 261-3394

PUMPER

SPF343C SPF743

ENGINE - MACHINE

C4.4

PETROLEUM ENGINE

3512C 3512B

PETROLEUM TRANSMISSION

TH48-E80 CX48-P2300

PETROLEUM PACKAGE

TH48-E80 TH48-E70

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced