Replacement parts for the CAT 289D3, all listed for this machine: rubber tracks, sprocket and idler.
A worn sprocket will shorten the life of a new track, so the two are usually replaced together. Fitting parts made for the same machine keeps wear even across the undercarriage.
If you cannot find the part you need for your CAT 289D3, contact the team and we will check availability. Shipped across the USA by Excavator Parts Direct.