Description
Product Details
| Seal Kit | 3701869 |
| Brand | CAT |
| Rod Diameter | 150 mm (existing listing; verify with cylinder group) |
| Bore Diameter | 220 mm (existing listing; verify with cylinder group) |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | Exact cylinder group, cylinder position and compatible machine models are not yet confirmed. Verify by machine serial number before ordering. |
| CAT-Compatible Models | Excavators: 390F L, 365C, 385B, 385C, 385C L |
| Kit Components Listed by CAT | 116-3519 seal ring (137.50 mm OD); 095-1733 O-ring (5.7 × 209.3 mm); 215-9864 backup ring (150 mm ID); 173-3414 plastic ring (211.93 mm ID); 155-9157 piston guide wear ring (220 mm OD, quantity 2); 8C-9182 seal assembly; 165-9296 hydraulic cylinder lip seal; 367-3934 buffer seal (149 mm ID); 367-3961 U-cup seal (148.4 mm ID); 4I-6442 backup ring (210.2 mm ID) |
Source: CAT Parts Store — 3701869. CAT states cylinder seal-kit fitment is specific to the cylinder-group part number.