Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Register
Caterpillar

Select Store

For pricing & availability

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings490-8577: 3 x 29mm 90A NBR O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings490-8577: 3 x 29mm 90A NBR O-Ring
490-8577: 3 x 29mm 90A NBR O-Ring

O-Ring

Brand: Cat

Product Images
490-8577: 3 x 29mm 90A NBR O-Ring
490-8577: 3 x 29mm 90A NBR O-Ring
490-8577: 3 x 29mm 90A NBR O-Ring
490-8577: 3 x 29mm 90A NBR O-Ring
490-8577: 3 x 29mm 90A NBR O-Ring

O-Ring

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 490-8577

Units of Measure

USMetric
Cross Section Diameter (mm): 3.0
Outside Diameter (in): 1.38
Cross Section Diameter (in): 0.118
Inside Diameter (mm): 29.0
Outside Diameter (mm): 35.0
Inside Diameter (in): 1.142
Hardness (Shore A): 90.0
Material: Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
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.
Color Notes: Actual o-ring color may differ from image.
Notes: Dimensions and material descriptions provided for reference only.
Polymer: Nbr (nitrile Butadiene)
Material Hardness: 90a
View More
Compatible Models for part number 490-8577

We currently do not have compatibility information for this part.

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