Description
Product Details
| Seal Kit | 3653007 |
| Cylinder Part Number | CTC-2107091K |
| Brand | CAT |
| Cylinder Type | Hydraulic Cylinder Seal Kit. CAT's public catalog does not identify a unique cylinder position; the existing Stick Cylinder label is not independently confirmed. |
| Rod Diameter | 63.5 mm |
| Bore Diameter | 127 mm |
| Product Type | Hydraulic Cylinder Seal Kit. CAT's public catalog does not identify a unique cylinder position; the existing Stick Cylinder label is not independently confirmed. |
| Application / Fitment Status | CAT confirms compatible backhoe-loader models and lists the kit components below. The existing CTC-2107091K reference and 63.5 mm rod / 127 mm bore dimensions are not confirmed by the public kit page; verify them against the serial-specific cylinder group before treating them as confirmed. |
| CAT-Compatible Models | Backhoe Loaders: 430F2, 442E, 444E, 430E, 430F |
| Kit Components Listed by CAT | 353-6884 U-cup seal (62.89 mm ID); 8T-0785 plastic ring (66.49 mm OD); 175-7904 O-ring (3.53 × 126.59 mm); 2K-4096 backup ring (120.11 mm ID); 226-3860 wear ring; 5J-4973 piston ring seal (106.4 mm ID); 5J-4974 O-ring (121.8 mm ID); 225-3281 double-lip wiper seal (61.42 mm ID); 289-2937 buffer seal assembly; 5F-3144 O-ring (3.53 × 120.24 mm) |
Source: CAT Parts Store — 3653007.

