New Mercury & Mariner Outboard Steering Helms

This page showcases OBParts’ specialized selection of steering helms—the key control units for marine steering systems. Whether you're outfitting a high-capacity vessel in need of hydraulic steering or prefer the precision of mechanical steering, our offerings deliver unmatched performance and reliability.

Hydraulic Steering Helms:

• Rugged and responsive design tailored for outboards 350+ HP.
• Features like built-in lock valves, relief valves, ball‑bearing races, and 7‑piston construction ensure durable control and pressure protection.
• Easy maintenance with accessible seals and shaft components. 

Mechanical Steering Helms (Plantery brand):

• Traditional mechanical helm options compatible with various cable steering setups.

Simple, sturdy, and versatile for many outboard configurations. The helms come with adjustable fittings, mounting templates, and are designed to be interchangeable with other brands, making upgrades and replacements hassle-free.