Sea-Dog Gas Filled Lift Spring - 17" - 40#

The Sea-Dog Gas Filled Lift Spring – 17" – 40# is a marine-grade gas-charged strut designed for applications such as deck hatches, engine access panels, and motorized tonneau covers on trucks and boat canopies. This lift spring provides reliable support for moderate loads, ensuring smooth and controlled opening actions without the need for manual props or dangerous unsupported scenarios.

With a force rating of 40 pounds, this strut is ideal for both OEM and aftermarket installations, offering superior convenience over traditional mechanical hinges. Its sealed, nitrogen-charged gas column and durable piston rod deliver consistent lift assistance throughout its full stroke, preventing sagging or flutter. The gas-filled design also provides damping during both extension and compression, which helps to avoid sudden drops that could cause damage or injury.

This lift spring is particularly beneficial for mechanics upgrading tonneau covers on full-size trucks, fabricators creating custom engine cover installations, and marine technicians retrofitting hatch systems on various vessels. Its marine-grade construction resists corrosion from saltwater exposure, making it suitable for use in coastal regions as well as freshwater applications.