Description
Product Details
| Seal Kit | 3387039 |
| Brand | CAT |
| Rod Diameter | 69.85 mm (existing listing; verify with cylinder group) |
| Bore Diameter | 95.25 mm (existing listing; verify with cylinder group) |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | Exact cylinder type/position and compatible machine models are not yet confirmed. Verify by machine serial number before ordering. |
| CAT Official Catalog Identity | CAT confirms 338-7039 is a Hydraulic Cylinder Seal Kit — Standard Size. The public CAT page lists compatible model 444E backhoe loader. Application remains specific to the exact cylinder-group part number. |
| CAT Official Part Details | CAT-listed components include 1S-0669 backup ring (88.55 mm ID); 223-3357 bucket-cylinder piston guide ring; 6R-0365 O-ring (88.49 mm ID); 1H-8128 O-ring (94.84 mm ID); 167-2207 buffer seal for 70 mm rod; 439-2698 U-cup seal (69.8 mm ID); 5J-8011 cylinder expander seal; 5J-7036 snap-in single-lip wiper seal; 8C-9200 rod guide; 188-2199 O-ring; and 215-1942 backup ring (43.55 mm ID). |
| CAT-Compatible Models | Backhoe loader: 444E. |
Source: CAT Parts Store — 3387039. Confirm fitment against the exact machine serial number and cylinder-group part number.