Description
Product Details
| Seal Kit | 3500976 |
| Cylinder Part Number | 3412182, 4188818 |
| Brand | CAT |
| Cylinder Type | Bucket Cylinder |
| Rod Diameter | 95 mm |
| Bore Diameter | 135 mm |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | CAT confirms part 350-0976 is a hydraulic cylinder seal kit and lists the compatible equipment and components below. The existing cylinder-group references and 95/135 mm nominal dimensions still require exact cylinder-group verification; CAT states kit fitment is cylinder-group-specific. |
| CAT-Compatible Models | Excavators: 320D L, 329D2, 323D L, 323D2 L, 325D FM, 320D2, 323D LN, 328D LCR, 329D, 329D L, 329D2 L, 325D L, 320D FM, 320D, 323D SA, 325D, 320D2 L, 323D. Mobile hydraulic power unit: 329D L. |
| Kit Components / CAT Specifications | 095-1720 O-ring (3.1 × 129.4 mm, qty 1); 150-5827 hydraulic cylinder backup ring (95 mm ID, qty 1); 150-5828 lip seal (qty 1); 234-4581 bucket-cylinder head backup ring (qty 1); 234-4583 bucket-cylinder piston seal (135 mm OD, qty 1); 234-4584 scarf-cut backup ring (129 mm ID, qty 2); 234-4585 bucket-cylinder piston ring (130.04 mm OD, qty 2); 234-4586 piston seal (qty 2); 350-0954 cylinder buffer seal (110.5 mm OD, qty 1); 350-0959 bucket-cylinder U-cup seal (110 mm OD, qty 1). |
Source: CAT Parts Store — 3500976. CAT notes seal kit fitment is specific to the cylinder-group part number.