Description
Product Details
| Seal Kit | 3500972 |
| Brand | CAT |
| Rod Diameter | 90 mm (existing listing; verify with cylinder group) |
| Bore Diameter | 130 mm (existing listing; verify with cylinder group) |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | CAT confirms 350-0972 is a hydraulic cylinder seal kit and lists the compatible excavators and components below. The existing 90 mm rod / 130 mm bore values are retained as listing values but are not published nominal kit specifications; confirm the exact cylinder-group part number. |
| CAT-Compatible Models | Excavators: 326D2, 326D2 L, 326D L, 324D L, 324D. |
| Kit Components / CAT Specifications | 086-1345 seal (qty 1); 086-1346 hydraulic cylinder piston seal ring (qty 2); 095-1719 O-ring (3.1 × 124.4 mm, qty 1); 105-2578 backup ring (90 mm ID, qty 1); 105-2579 continuous backup ring (125 mm ID, qty 1); 105-2583 scarf-cut backup ring (124 mm ID, qty 2); 126-1885 seal (qty 1); 247-9006 piston ring (125.04 mm ID, qty 2); 350-0953 cylinder buffer seal (90 mm ID, qty 1); 350-0958 U-cup seal (90 mm ID, qty 1). |
Source: CAT Parts Store — 3500972. CAT notes seal kit fitment is specific to the cylinder-group part number.

