Cat D3K Dozer w/ 3-1/2" Tilt Bore Whole Machine Kit w/ Free O-Ring Pick Set Adjustable Boom Cylinder #: 7117174

Cylinder #: 7117174

Cylinder #: G107720

Need to replace both if you have 580K or 580SK

Cylinder #s: 20X-63-02020

Cylinder #s: 4442657

Cat D3K Dozer w/ 3-1/2" Tilt Bore Whole Machine Kit w/ Free O-Ring Pick Set Adjustable Boom Cylinder #: 7117174Cylinder Rebuild Repair Seal Kits for Caterpillar Model D3K Crawler Dozer Only Fits Models with 3 1 2" Bore Tilt Cylinder Includes Following Seal Kits: (2) Dozer Angle (2) Dozer Lift (1) Dozer Tilt (3 1 2" Bore) Includes Free O Ring Pick Set to help remove old seals and install new seals All kits are individually packaged and labeled Free Shipping! (Ripper Seal Kit not included but available)