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.
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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.
Material Description: Nitrile (NBR) rubber is capable of service temperatures of -40 to 100C and is resistant to fuel oils, gasoline, ultra low sulfur diesel fuel and lubricants. Nitrile rubber is not recommended for applications that require resistance to bio-diesel or coolant.
Notes: Dimensions and material descriptions provided for reference only.
Polymer: NBR (Nitrile butadiene)
Applications: Ambient temperature fuel handling; High and low pressure LPG service; Hydraulic fluids (to 10,335 kPa/1,500 psi); Power steering seals; Radiator thermostat seals
Material Hardness: 90A
Not Compatible With: Automotive and aircraft brake fluids; High levels of ozone; Ketones; Phosphate ester fluids; Strong acids; UV light
Compatible With: Abrasion resistant; Alpha-Olefin base synthetic lubricants; Ethylene Glycol; Hydrocarbon fuels; Petroleum base lubricants; Silicone oils and greases; Water, water base engine coolants; ORFS, STORS seals
Temperature (°C): -40 - 100
Dash Size: 222
Temperature (°F): -40 - 212
Seal/O-Ring Type: Standard
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Compatible Models for part number 4J-0522
GENERATOR
SR4
INTEGRATED TOOLCARRIER
IT38H IT14G IT28F IT28B IT18B IT38G II
CRUSHER
CR35
TRACK SKIDDER
D5HTSK II
WHEEL SKIDDER
518 528
MINI HYD EXCAVATOR
307-A
ROTARY DRILL
MD6310
TRACK FELLER BUNCHER
1190 1390 TK751 1190T 1090 552
EXCAVATOR
311D LRR 312C 315D L 325C L 307 315C 312C L 350-A L 314C 350 L 325C 330-A L M325D MH 320D 245B M325D L MH 390D L 319D LN 319D L 225 235 320C FM 318C 215 330-A 375-A 245 M312 M315
270-1545: SAE Code 61/62 Flange Seal Kit (90A Nitrile)
O-Ring Seal Kit: 6 Sizes, 60 Seals, Nitrile, 90 Duro
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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
Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 4J-0522
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 4J-0522
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.
Material Description: Nitrile (NBR) rubber is capable of service temperatures of -40 to 100C and is resistant to fuel oils, gasoline, ultra low sulfur diesel fuel and lubricants. Nitrile rubber is not recommended for applications that require resistance to bio-diesel or coolant.
Notes: Dimensions and material descriptions provided for reference only.
Polymer: NBR (Nitrile butadiene)
Applications: Ambient temperature fuel handling; High and low pressure LPG service; Hydraulic fluids (to 10,335 kPa/1,500 psi); Power steering seals; Radiator thermostat seals
Material Hardness: 90A
Not Compatible With: Automotive and aircraft brake fluids; High levels of ozone; Ketones; Phosphate ester fluids; Strong acids; UV light
Compatible With: Abrasion resistant; Alpha-Olefin base synthetic lubricants; Ethylene Glycol; Hydrocarbon fuels; Petroleum base lubricants; Silicone oils and greases; Water, water base engine coolants; ORFS, STORS seals
Temperature (°C): -40 - 100
Dash Size: 222
Temperature (°F): -40 - 212
Seal/O-Ring Type: Standard
View More
Compatible Models for part number 4J-0522
GENERATOR
SR4
INTEGRATED TOOLCARRIER
IT38H IT14G IT28F IT28B IT18B IT38G II
CRUSHER
CR35
TRACK SKIDDER
D5HTSK II
WHEEL SKIDDER
518 528
MINI HYD EXCAVATOR
307-A
ROTARY DRILL
MD6310
TRACK FELLER BUNCHER
1190 1390 TK751 1190T 1090 552
EXCAVATOR
311D LRR 312C 315D L 325C L 307 315C 312C L 350-A L 314C 350 L 325C 330-A L M325D MH 320D 245B M325D L MH 390D L 319D LN 319D L 225 235 320C FM 318C 215 330-A 375-A 245 M312 M315
775F 793F OEM 775D 769B 769D 769C 789 770G 772G 69D 773F 773B 795F AC MT4400D AC 769 772 773
TRACK-TYPE LOADER
977K
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Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Need More Help? Contact Us
Find a DealerEmail
Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
