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-Rings3E-6785: 107.54mm Inside Diameter Seal-O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings3E-6785: 107.54mm Inside Diameter Seal-O-Ring
3E-6785: 107.54mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

Product Images
3E-6785: 107.54mm Inside Diameter Seal-O-Ring
3E-6785: 107.54mm Inside Diameter Seal-O-Ring
3E-6785: 107.54mm Inside Diameter Seal-O-Ring
3E-6785: 107.54mm Inside Diameter Seal-O-Ring
3E-6785: 107.54mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 3E-6785

Units of Measure

USMetric
Cross Section Diameter (mm): 3.53
Cross Section Diameter (in): 0.139
Inside Diameter (mm): 107.54
Inside Diameter (in): 4.234
Material: FKM - Fluoroelastomer,FKM (75),FKM,Fluoroelastomer (FKM) Rubber
Polymer: Fkm (fluorocarbon)
Material Hardness: 75a
Compatible With: Diester lubricants; Halogenated hydrocarbons (above 100 Deg. C); Highly resistant to compression set; Petroleum fluids; Phosphate ester fluids; Silicone fluids; Some acids
Dash Size: 244
View More
Compatible Models for part number 3E-6785

UNDERGROUND ART TRUCK

AD45

GENERATOR

SR4 SR4B XQP550

TRANSMISSION-ONHIGHWAY

CX35 CX31 CX28

POWER MODULE

TR43-C18L

WHEEL TRACTOR-SCRAPER

631K 637 631 637K 657 651

LOAD HAUL DUMP

R2900 XE R2900

MATERIAL HANDLER

MH3295

OFF HIGHWAY TRUCK

772 770 793F 798 AC 796 AC 794 AC 793 798

MOTOR GRADER

18M3 14M3 16 14 18 16M 16M3 14M-3 14M 16GC

TRACK-TYPE TRACTOR

D9 D8 D8T D9T

ROTARY DRILL

MD6250 MD6380 MD6310 MD6200

TRANSMISSION-MILITARY

CX28

MARINE ENGINE

C18 C175-16

PIPELAYER

PL83 PL87

EXCAVATOR

330 L 330-A L 325-A FM L MH3295 374F L 390F 374F 325-A L 322 L 330-A L 395 325 L 390F L 374 322-A L

MOBILE HYD POWER UNIT

TH43-C18 390F

PETROLEUM PACKAGE

CX31-C18I CX35-C18I

WHEEL TRACTOR

651E 657E 631K 637K 651

GENERATOR SET

C18 GEN SET C18 GEN SE DE500 DE630 C175-20 C175-16 C18 GENSET C175-16GENSET C18 XQ1140

ROTARY MIXER

RM500B RM800

RECLAIMER MIXER

RM800 RM500B

ENGINE

C175-16 C15 C18 C175-20

PETROLEUM ENGINE

C175-16 C15 C18

LOCOMOTIVE ENGINE

C175-16 C175-20

PETROLEUM TRANSMISSION

CX48 TH53-E60

SOIL COMPACTOR

825 825K

EJECTOR TRUCK

740

COLD PLANER

PM820 PM825 PM822 PM620 PM622

WHEEL DOZER

834 834K 824K 824

LANDFILL COMPACTOR

836 826 836K 826K

WHEEL LOADER

988 XE 986 988GC 986H 988 986K 988K XE 988K

ROAD RECLAIMER

RM800 RM600 RM500B RM500

GEN SET ENGINE

POWER SYS

TRANSMISSION

CX31

ARTICULATED TRUCK

740C 740 GC 745C 735C 745

INDUSTRIAL ENGINE

C175-16 C18 C15

WHEEL SCRAPER

637K 657E

QUARRY TRUCK

772G 770G

TRUCK

793F CMD 797 772G OEM 793F OEM 770G 795F XQ 793F 795F AC 772G 793F AC 793F XQ 797F 794 AC 770G OEM 797B

BULLDOZER

D8T

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