Description
Product Details
| Seal Kit | 3573773 |
| Brand | CAT |
| Product Type | Hydraulic Cylinder Seal Kit |
| Application / Fitment Status | CAT confirms this is a standard-size hydraulic cylinder seal kit and lists the compatible truck models and components below. Exact application remains specific to the cylinder-group part number; the public page does not provide nominal rod/bore specifications. |
| CAT-Compatible Models | Quarry Trucks: 771D, 770G, 772G. Trucks: 772G, 770G, 770G OEM, 769D, 772G OEM, 769C. Off-highway trucks: 772, 770, 773GC. |
| Kit Components / CAT Specifications | 138-9739 snap-in single-lip wiper (10 mm thick); 342-9572 hoist-cylinder U-cup seal (110.69 mm OD); 342-9573 U-cup seal (164.03 mm ID); 348-4701 rod guide (101.6 mm ID); 3G-3470 piston guide (177.80 mm bore); 4J-9218 rubber backup ring (170.60 mm ID); 6J-0542 wiper seal (191.64 mm OD); 8F-9516 O-ring (139.29 mm ID); 8T-8434 rubber backup ring (139.10 mm ID); 9F-1399 O-ring (171.04 mm ID); 9J-4164 piston guide (146.05 mm bore); 9J-4981 hydraulic lift-cylinder piston seal. |
Source: CAT Parts Store — 3573773. Refer to CAT's equipment selector/dealer for serial-specific fitment.