Caterpillar 0082103 O-Ring is an O-ring available from WQC Parts.
This listing uses Hercules part number CTC-0082103. Catalog description: OR-90NBR-13/16x1/8-C/S(50).
Product Details
- Hercules part number: CTC-0082103
- Product type: O-ring or sealing component
- Reference brand/application: Caterpillar
- Approximate weight: 0.002 lb
Understanding This Part
- Material code NBR: nitrile rubber (Buna-N)
- Durometer: 90 (hardness value in the catalog description)
An O-ring is selected by its inside diameter, cross-section and material. Match all three to the groove and the specified application; a matching part number should be checked before substituting a different compound.
Nitrile is also known as Buna-N. Match the compound to the specified fluid and service conditions.
Durometer describes material hardness: a higher reading means a harder material on the same scale. It is not a pressure rating.
Fitment Verification
Before ordering, confirm the CTC-0082103 reference against your OEM reference number, machine model, cylinder location, bore and rod size, pump/motor series, and serial-number range. Manufacturer names and part numbers are used for identification and fitment reference only. If you are unsure, compare the old parts, measurements, and parts-book callout before installation.