Description
Product Details
| Seal Kit | 3500971 |
| Brand | CAT |
| Rod Diameter | 100 mm (existing listing; verify with cylinder group) |
| Bore Diameter | 140 mm (existing listing; verify with cylinder group) |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | CAT confirms 350-0971 is a hydraulic cylinder seal kit and lists compatible excavators and components below. One listed component is a stick-cylinder seal ring, but CAT's public kit page does not confirm the complete kit's cylinder position or nominal rod/bore dimensions. Retain current 100/140 mm values as unverified listing values pending exact cylinder-group confirmation. |
| CAT-Compatible Models | Excavators: 320D L, 323D L, 323D2 L, 320D2, 320D FM RR, 320D LRR, 324E LN, 326D L, 324D L, 320D FM, 324E L, 320D, 320D RR, 324D, 320D2 L. |
| Kit Components / CAT Specifications | 095-1721 O-ring (3.1 × 134.4 mm, qty 1); 121-1372 backup ring (100 mm ID, qty 1); 214-4501 stick-cylinder seal ring (95 mm OD, qty 1); 133-6904 seal (qty 1); 350-0960 U-cup seal (100 mm ID, qty 1); 247-8874 ring (135.04 mm ID, qty 2); 4I-3627 backup ring (135 mm ID, qty 1); 096-1571 plastic ring (132 mm ID, qty 2); 096-1570 seal (140 mm OD, qty 1); 194-8359 ring seal (6 mm thick, qty 1); 350-0955 buffer seal (99 mm ID, qty 1); 4I-3631 backup ring (130 mm OD, qty 2). |
Source: CAT Parts Store — 3500971. CAT notes seal kit fitment is specific to the cylinder-group part number.