3S-1278: 367.88mm Inner Diameter Seal Ring

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Brand: Cat

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3S-1278: 367.88mm Inner Diameter Seal Ring

3S-1278: 367.88mm Inner Diameter Seal Ring

Seal Ring

Brand: Cat

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Frequently bought together

3S-1278

1S-9496

3S-1282

View All Parts

Frequently bought together

3S-1278: 367.88mm Inner Diameter Seal Ring

1S-9496: 308.05mm Internal Diameter Seal Ring

3S-1282: 267.29mm Inner Diameter Seal Ring

3S-1283: 191.82mm Inner Diameter Seal Ring

8S-3373: 232.70mm Inner Diameter Seal Ring

4S-5805: 323.85mm Inner Diameter Yellow Ring Seal

Diagram

Description

Specifications

Compatible Models

Parts diagram for 3S-1278

Specifications for part number 3S-1278

Units of Measure

Metric

Material Description:

PTFE provides superior performance in Air, Engine Oil, Diesel Fuel and Coolant applications, but is sensitive to installation damage and debris. It works well at very high temperatures.

Cross Section Width (in):

0.09

Notes:

Dimensions and Material Descriptions provided for reference only. Color may differ from image.

Cross Section Width (mm):

2.3

Cross Section Height (mm):

1.5

Material:

PTFE - Polytetrafluoroethylene,Polytetrafluoroethylene (PTFE) Plastic

Inside Diameter (mm):

368.0

Inside Diameter (in):

14.48

Primary Sealing Material:

Plastic

Cross Section Height (in):

0.06

Compatible Models for part number 3S-1278

UNDERGROUND ART TRUCK

AD60 AD55B AD63

WHEEL TRACTOR

650B 633E II 623B 623G 651B 623H 623E 623F 651E 660B 621B 633C 657E 657B 621K OEM 621R 621E 621F 633D 657G 621G 621H 621S 627 621 623 639D 627B 627G 627H 627E 627F 637 631K 631D 631E 631C 631G 637G 637D 637E 637K 651 641B 666B

OFF-HIGHWAY TRUCK

D10R

WHEEL TRACTOR-SCRAPER

627K 631K 627 623 621 637 627K LRC 632 631 637K 657 651 623K LRC 623K 621K

QUARRY TRUCK

775D 775B 773E

WHEEL SCRAPER

627 623F 623E 637K 637B 637D 627F 639D 627B 627E 637 621E 657G 621F 657 621B 657E 657B

TRUCK

775G 775F 773G LRC 775E 775D 775G OEM 773E 773D 773G 773F 777 775G LRC 773G OEM 769C 773B

TRACTOR

776 772B 768C

OFF HIGHWAY TRUCK

775 773

MOBILE HYD POWER UNIT

TH43-C18

WHEEL LOADER

980 980B

Key

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