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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings8F-9960: 380.36mm Inside Diameter Seal-O-Ring
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Hardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings
8F-9960: 380.36mm Inside Diameter Seal-O-Ring
8F-9960: 380.36mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

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8F-9960: 380.36mm Inside Diameter Seal-O-Ring
8F-9960: 380.36mm Inside Diameter Seal-O-Ring
8F-9960: 380.36mm Inside Diameter Seal-O-Ring
8F-9960: 380.36mm Inside Diameter Seal-O-Ring
8F-9960: 380.36mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

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Description
Description

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

Applications:
O-Rings are used in many static and dynamic joints throughout Cat machines and engines.

Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

Applications:
O-Rings are used in many static and dynamic joints throughout Cat machines and engines.

Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 380.36
Inside Diameter (in): 14.975
Material: NBR - Nitrile,NBR (75),Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: NBR (Nitrile butadiene)
Material Hardness: 75A
Dash Size: 459
Units of MeasureUSMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 380.36
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Compatible Models
Compatible Models
Wheel Tractor
637631C641633C641B
Off Highway Truck
777G777E793D777793F793
Wheel Dozer
834
Wheel Loader
992B992
Track-Type Tractor
D9GD11ND10D11D11RD11T
Ripper
1110
Marine Engine
D397DD364D375D
Pipelayer
PL61561N561M561H
Quarry Truck
777E
Truck
793F AC793F CMD793793F OEM793F XQ769793D793B793C793F769B777C777B777D777G777F
Wheel Scraper
615630B631C623B623E631B633615C637641633E641B633B
Tractor
776D776C768B776B
Bulldozer
10C11U10S10U11SU
View More
Wheel Tractor
637631C641633C641B
Warranty Information
Return Policy
Parts diagram for 8F-9960
View Detailed Parts Diagrams
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Frequently bought together
8F-99608F-9960
5P-92175P-9217
6F-47186F-4718
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Frequently bought together
8F-9960
Contact Dealer
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Contact Dealer
5P-9217
Contact Dealer
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or use our Contact Form
Contact Dealer
6F-4718
Contact Dealer
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or use our Contact Form
Contact Dealer
2M-1309
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
8T-1115
Contact Dealer
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Contact Dealer
3K-0360
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Contact Dealer
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 8F-9960
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 8F-9960

Description:
O-Rings are used in static sealing and some dynamic applications.

Attributes:
Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines. The materials resist wear and extrusion, and provide superior resistance to seal compression set. In addition, certain Cat O-Rings are coated with PTFE to minimize seal twisting and cutting during seal installation.

Dimensions of our O-Rings are consistently held to tight tolerances to ensure they fit properly into seal grooves with the necessary seal compression.

With over 2500 O-Rings in different sizes and materials, Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs.

Cat Sealing systems protect more expensive parts from leaks and contamination. Protect your investment with Genuine Cat Seals.

Applications:
O-Rings are used in many static and dynamic joints throughout Cat machines and engines.

View More
Warning:This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 8F-9960

Units of Measure

USMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 380.36
Inside Diameter (in): 14.975
Material: NBR - Nitrile,NBR (75),Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: NBR (Nitrile butadiene)
Material Hardness: 75A
Dash Size: 459
View More
Compatible Models for part number 8F-9960

WHEEL TRACTOR

637 631C 641 633C 641B

OFF HIGHWAY TRUCK

777G 777E 793D 777 793F 793

WHEEL DOZER

834

WHEEL LOADER

992B 992

TRACK-TYPE TRACTOR

D9G D11N D10 D11 D11R D11T

RIPPER

11 10

MARINE ENGINE

D397D D364 D375D

PIPELAYER

PL61 561N 561M 561H

QUARRY TRUCK

777E

TRUCK

793F AC 793F CMD 793 793F OEM 793F XQ 769 793D 793B 793C 793F 769B 777C 777B 777D 777G 777F

WHEEL SCRAPER

615 630B 631C 623B 623E 631B 633 615C 637 641 633E 641B 633B

TRACTOR

776D 776C 768B 776B

BULLDOZER

10C 11U 10S 10U 11SU

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

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