Boat Leveler Hydraulic Cylinder – Trim Tab Actuator (12727)

Maintain precise trim control and smooth ride performance with the Boat Leveler Hydraulic Cylinder (12727)—a reliable replacement actuator designed for Boat Leveler / Insta-Trim trim tab systems. Built for durability and consistent operation, this hydraulic cylinder ensures accurate tab positioning for improved stability, fuel efficiency, and handling on the water.

Constructed from impact-resistant, fiberglass-reinforced nylon, the cylinder resists expansion under hydraulic pressure and stands up to harsh marine environments, including UV exposure and water absorption. Its advanced sealing system—featuring dual expanding seals and an O-ring—prevents both high- and low-pressure leaks for dependable long-term use. 

Designed with a barbed fitting and reinforced internal rod, this actuator prevents hose blow-off and protects against damage from debris. The compact design measures approximately 7.5 inches eye-to-eye when closed, making it a direct-fit replacement for compatible trim tab systems. 

Many versions include pre-installed hydraulic hose (approx. 8 ft) and mounting pins, simplifying installation and reducing downtime.

Key Features:

• Hydraulic Precision: This cylinder utilizes a closed hydraulic system to extend and retract, providing consistent force that won't "slip" or lose position once set.

• Corrosion-Resistant Housing: Constructed from high-strength, UV-stabilized plastic and composite materials specifically designed to resist the corrosive effects of salt and brackish water.

• Compact "Under-Tab" Mount: The design is compact enough to mount behind the trim tab plane, reducing drag and protecting the hydraulic seals from floating debris.

• Single Cylinder Design: Typically sold as a single unit, it includes the attached high-pressure hydraulic hose for a direct connection to your existing pump/manifold system.

• Replacement hydraulic actuator cylinder for Boat Leveler trim tabs

• Durable fiberglass-reinforced nylon construction

• UV-resistant and water-resistant for marine environments

• Dual seals + O-ring eliminate hydraulic leaks

• Reinforced internal rod prevents breakage from impact

• Barbed hose connection for secure, blow-off-resistant fit

• Approx. 7.5” eye-to-eye (closed length)

• Typically includes hydraulic hose and mounting pins

Included in the Package

• Boat Leveler Hydraulic Cylinder: One glass-filled, impact-resistant nylon cylinder with a 7-1/4" to 7-1/2" eye-to-eye closed length.

• Pre-attached Hydraulic Hose: Standard kits include 8 feet of high-pressure hose with an improved barb-type connection that prevents blow-offs under pressure.

• Nylon Cylinder Pins: Two pins are included for securing the cylinder to the mounting brackets. These are designed as shear pins to break if the tab hits a submerged object, protecting the cylinder and transom from structural damage.

• Mounting Support: Most packages include the pins, though the Nylon Mounting Brackets (12732-A) are often sold separately unless otherwise stated by the specific retailer.

Applications:
Ideal for Boat Leveler / Insta-Trim trim tab systems on fishing boats, center consoles, and other marine vessels requiring precise trim adjustment.

Why Choose Boat Leveler?
Boat Leveler systems are trusted for simple, dependable trim control, helping improve ride comfort, fuel efficiency, and overall boat performance in varying water conditions.

Installation Tip: When replacing the cylinder, be careful not to introduce air into the hydraulic lines. After installation, you will likely need to bleed the system by cycling the tabs up and down several times and checking the fluid level at the pump reservoir.

Manufacturer : Boat Leveler Co.
Manufacturer Part No : 12727