Description
Product Details
| Seal Kit | 3701871 |
| Cylinder Part Number | 3628488, 3652819 |
| Brand | CAT |
| Cylinder Type | Hydraulic Cylinder Seal Kit. Existing listing says Stick Cylinder, but CAT's public kit page does not confirm a unique cylinder position; confirm the cylinder group before treating this as a stick-specific application. |
| Rod Diameter | 145 mm |
| Bore Diameter | 210 mm |
| Product Type | Hydraulic Cylinder Seal Kit |
| CAT-Compatible Models | Excavators: 390F L, 365C, 385B, 385C, 385C L |
| Kit Components Listed by CAT | 155-9093 piston wear ring (210 mm OD, quantity 2); 155-9094 boom-cylinder ring (201.93 mm ID); 155-9096 seal ring (131.5 mm OD); 155-9103 backup ring (145 mm ID); 165-9295 lip seal (142.5 mm ID); 172-3918 two-piece seal (210 mm bore); 365-2911 boom-cylinder backup ring (210.08 mm OD, quantity 2); 367-3932 buffer seal (139 mm ID); 367-3933 rod U-cup seal (143.4 mm ID); 8T-8382 head seal (203.36 mm ID) |
Source: CAT Parts Store — 3701871. CAT states cylinder seal-kit fitment is specific to the cylinder-group part number.