Description
Product Details
| Seal Kit | 3338675 |
| Brand | CAT |
| Rod Diameter | 110 mm (existing listing; verify with cylinder group) |
| Bore Diameter | 170 mm (existing listing; verify with cylinder group) |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | CAT confirms this as a hydraulic cylinder seal kit. Confirm exact application against the cylinder-group part number and machine serial number before relying on fitment. |
| CAT Official Catalog Identity | CAT official catalog confirms 333-8675 is a hydraulic cylinder seal kit. CAT specifies fitment by exact cylinder-group part number. |
| CAT Official Part Details | CAT-listed components: 165-9291 lip-type seal, 107.5 mm ID; 333-8687 buffer seal, 115 mm OD; 7Y-4945 plastic backup ring, 160.20 mm ID; 095-1726 O-ring, 159.30 mm ID; 7Y-4941 plastic backup ring, 110 mm ID; 9X-3607 piston seal; 191-5605 plastic ring, 161.93 mm ID; 191-5604 piston-guide wear ring for 170 mm bore (quantity 2); 333-8688 U-cup seal, 108.4 mm ID. |
| CAT-Compatible Models | CAT lists excavators 349D, 345C L, 345D L, 349D L, 345C, 345D L VG and 345D. |
Source: CAT Parts Store — 3338675. Confirm fitment against the exact machine serial number and cylinder-group part number before ordering.

