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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings9D-7988: 685.50mm Internal Diameter Ring Seal
Home
Hardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings
9D-7988: 685.50mm Internal Diameter Ring Seal
9D-7988: 685.50mm Internal Diameter Ring Seal

Seal

Brand: Cat

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9D-7988: 685.50mm Internal Diameter Ring Seal
9D-7988: 685.50mm Internal Diameter Ring Seal
9D-7988: 685.50mm Internal Diameter Ring Seal
9D-7988: 685.50mm Internal Diameter Ring Seal
9D-7988: 685.50mm Internal Diameter Ring Seal

Seal

Brand: Cat

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Description
Description

Description:
Rectangular Seals and Rings are circular seals with a rectangular cross-section. The edges may or may not be rounded according to the application needs.

Attributes:
Cat® Seals and 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.

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

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

Applications:
Rectangular seals and rings are used in a wide variety of sealing applications throughout Cat machines and engines.

Warning:This product can expose you to chemicals including Tetrafluoroethylene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Description:
Rectangular Seals and Rings are circular seals with a rectangular cross-section. The edges may or may not be rounded according to the application needs.

Attributes:
Cat® Seals and 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.

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

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

Applications:
Rectangular seals and rings are used in a wide variety of sealing applications throughout Cat machines and engines.

Warning:This product can expose you to chemicals including Tetrafluoroethylene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
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): 0.2
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Cross Section Width (mm): 5.1
Cross Section Height (mm): 2.5
Material: PTFE - Polytetrafluoroethylene,Polytetrafluoroethylene (PTFE) Plastic
Inside Diameter (mm): 686
Inside Diameter (in): 26.99
Primary Sealing Material: Plastic
Cross Section Height (in): 0.1
Units of MeasureUSMetric
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): 0.2
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
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Compatible Models
Compatible Models
Wheel Tractor
631K637K651
Wagon
776
Off-Highway Truck
D10R
Wheel Tractor-Scraper
657651631K637K
Wheel Scraper
637K
Quarry Truck
775D775B773E777E
Truck
785789775G775F773G LRC775G OEM775E775D773E785G773D773G773F777775G LRC773G OEM789C789D777C777B789B785C777D785D777G773B777F785B
Tractor
776776D776C772B784C784B776B
Off Highway Truck
789G777G785D777E777775789D773773GC789785
Rotary Cutter
RC20
View More
Wheel Tractor
631K637K651
Warranty Information
Return Policy
Parts diagram for 9D-7988
View Detailed Parts Diagrams
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Frequently bought together
9D-79889D-7988
123-7271123-7271
9D-79869D-7986
View All Parts
Frequently bought together
9D-7988
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
123-7271
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
9D-7986
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
9D-7987
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
123-7268
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
337-1943
Contact Dealer
Visit us

or use our Contact Form
Contact Dealer
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 9D-7988
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 9D-7988

Description:
Rectangular Seals and Rings are circular seals with a rectangular cross-section. The edges may or may not be rounded according to the application needs.

Attributes:
Cat® Seals and 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.

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

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

Applications:
Rectangular seals and rings are used in a wide variety of sealing applications throughout Cat machines and engines.

View More
Warning:This product can expose you to chemicals including Tetrafluoroethylene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 9D-7988

Units of Measure

USMetric
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): 0.2
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Cross Section Width (mm): 5.1
Cross Section Height (mm): 2.5
Material: PTFE - Polytetrafluoroethylene,Polytetrafluoroethylene (PTFE) Plastic
Inside Diameter (mm): 686
Inside Diameter (in): 26.99
Primary Sealing Material: Plastic
Cross Section Height (in): 0.1
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Compatible Models for part number 9D-7988

WHEEL TRACTOR

631K 637K 651

WAGON

776

OFF-HIGHWAY TRUCK

D10R

WHEEL TRACTOR-SCRAPER

657 651 631K 637K

WHEEL SCRAPER

637K

QUARRY TRUCK

775D 775B 773E 777E

TRUCK

785 789 775G 775F 773G LRC 775G OEM 775E 775D 773E 785G 773D 773G 773F 777 775G LRC 773G OEM 789C 789D 777C 777B 789B 785C 777D 785D 777G 773B 777F 785B

TRACTOR

776 776D 776C 772B 784C 784B 776B

OFF HIGHWAY TRUCK

789G 777G 785D 777E 777 775 789D 773 773GC 789 785

ROTARY CUTTER

RC20

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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