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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings2M-5173: 126.36mm Inner Diameter O-Ring Seal
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Hardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings
2M-5173: 126.36mm Inner Diameter O-Ring Seal
2M-5173: 126.36mm Inner Diameter O-Ring Seal

O-ring

Brand: Cat

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2M-5173: 126.36mm Inner Diameter O-Ring Seal
2M-5173: 126.36mm Inner Diameter O-Ring Seal
2M-5173: 126.36mm Inner Diameter O-Ring Seal
2M-5173: 126.36mm Inner Diameter O-Ring Seal
2M-5173: 126.36mm Inner Diameter O-Ring Seal

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 Silica, crystalline (airborne particles of respirable size), which is known to the State of California to cause cancer. 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 Silica, crystalline (airborne particles of respirable size), 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
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 126.36
Inside Diameter (in): 4.975
Material: VMQ - Silicone,Silicone (70),Silicone (VMQ),Silicone / MQ / VMQ / PMQ Rubber
Polymer: VMQ (Silicone rubber)
Material Hardness: 70A
Compatible With: Air; Diacetone alcohol; Ethylene glycol; Extreme high/low temperatures; High aniline point oil; Iso-butyl alcohol; Ozone & UV light; Polyglycol
Dash Size: 429
Units of MeasureUSMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 126.36
View More
Compatible Models
Compatible Models
Wheel Tractor
650B666633E II623G651B623E623F660B633C657B633D621G621623639D627G637631D631E631C631G641637G637D637E651641B657666B
Hydraulic Control
183B
Vehicular Engine
D346D348D349
Track Loader
963983
Soil Compactor
825C825B
Wheel Dozer
834824B844834B824C854G
Landfill Compactor
836826C826B
Winch
59N59L58L57H5958
Motor Grader
24H1616G
Wheel Loader
988F II988990992988B988F992D992B980C992C980F992G990 II980F II
Track-Type Tractor
D8RD8KD8LD8ND8HD9ED9GD10D9RD8R IID9LD9ND9HD9 GCD10ND10RD11N
Ripper
8D981110
Marine Engine
D353ED353CD353DD342CD349D346D348D398AD398BD343
Pipelayer
583R583K589594H594587R578
Mining Excavator
5110B
Industrial Engine
D343D348D349D346D398B3406D398D353CD353ED353DD342C
Truck
769773777769B769C773B
Wheel Scraper
666666B657657B
Quarry Truck
771C775B
Excavator
245
Gas Engine
G343
Tractor
772776772B768C768B
Bulldozer
10C10SU11U10S10U11SU8A8S8U9U9SU834U834S8SU
View More
Wheel Tractor
650B666633E II623G651B623E623F660B633C657B633D621G621623639D627G637631D631E631C631G641637G637D637E651641B657666B
Warranty Information
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Parts diagram for 2M-5173
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DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 2M-5173
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 2M-5173

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 Silica, crystalline (airborne particles of respirable size), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 2M-5173

Units of Measure

USMetric
Cross Section Diameter (mm): 6.99
Cross Section Diameter (in): 0.275
Inside Diameter (mm): 126.36
Inside Diameter (in): 4.975
Material: VMQ - Silicone,Silicone (70),Silicone (VMQ),Silicone / MQ / VMQ / PMQ Rubber
Polymer: VMQ (Silicone rubber)
Material Hardness: 70A
Compatible With: Air; Diacetone alcohol; Ethylene glycol; Extreme high/low temperatures; High aniline point oil; Iso-butyl alcohol; Ozone & UV light; Polyglycol
Dash Size: 429
View More
Compatible Models for part number 2M-5173

WHEEL TRACTOR

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

HYDRAULIC CONTROL

183B

VEHICULAR ENGINE

D346 D348 D349

TRACK LOADER

963 983

SOIL COMPACTOR

825C 825B

WHEEL DOZER

834 824B 844 834B 824C 854G

LANDFILL COMPACTOR

836 826C 826B

WINCH

59N 59L 58L 57H 59 58

MOTOR GRADER

24H 16 16G

WHEEL LOADER

988F II 988 990 992 988B 988F 992D 992B 980C 992C 980F 992G 990 II 980F II

TRACK-TYPE TRACTOR

D8R D8K D8L D8N D8H D9E D9G D10 D9R D8R II D9L D9N D9H D9 GC D10N D10R D11N

RIPPER

8D 9 8 11 10

MARINE ENGINE

D353E D353C D353D D342C D349 D346 D348 D398A D398B D343

PIPELAYER

583R 583K 589 594H 594 587R 578

MINING EXCAVATOR

5110B

INDUSTRIAL ENGINE

D343 D348 D349 D346 D398B 3406 D398 D353C D353E D353D D342C

TRUCK

769 773 777 769B 769C 773B

WHEEL SCRAPER

666 666B 657 657B

QUARRY TRUCK

771C 775B

EXCAVATOR

245

GAS ENGINE

G343

TRACTOR

772 776 772B 768C 768B

BULLDOZER

10C 10SU 11U 10S 10U 11SU 8A 8S 8U 9U 9SU 834U 834S 8SU

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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