| Steering Wheel | |
| Hydralic equipment including pump | |
| Electrical Inboard Steering, Steering Gear EVC 2.0 | D4-175I-G, D4-230I-G, D4-270I-G, D4-300I-G, D4-320I-G |
| Electrical Inboard Steering, SUS, EVC 2.0 | D4-175I-G, D4-230I-G, D4-270I-G, D4-300I-G, D4-320I-G |
| Rudder Indicator Kit | D4-175I-G, D4-230A-G, D4-230I-G, D4-270A-G, D4-270I-G, D4-300A-G, D4-300I-G, D4-320A-G, D4-320I-G |
| Steering System, Hydraulic | D4-175I-G, D4-230I-G, D4-270I-G, D4-300I-G, D4-320I-G |
| Steering System, Hydraulic, Single and Dual Installation | D4-175I-G, D4-230I-G, D4-270I-G, D4-300I-G, D4-320I-G |
| Steering System, Mechanical | D4-175I-G, D4-230I-G, D4-270I-G, D4-300I-G, D4-320I-G |
