Caterpillar 6D7128 O-Ring is an O-ring available from WQC Parts.
This listing uses Hercules part number CTC-6D7128. Catalog description: OR-PDM-3/8x1/16-C/S(12).
Product Details
- Hercules part number: CTC-6D7128
- Product type: O-ring or sealing component
- Reference brand/application: Caterpillar
- Approximate weight: 0 lb
Understanding This Part
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.
Fitment Verification
Before ordering, confirm the CTC-6D7128 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.