Genuine Whitecap Marine black nitride gas spring assembly (Model / MPN: G-3340). This compact mechanical lift support safeguards heavy deck lids and access panels by counterbalancing the weight of your marine hatches, engine boxes, or RV cargo doors before sudden drops cause physical structural damage. Featuring a specialized black nitride/nitrate protective layer coating and a high-strength internal pressure cylinder, it installs easily right onto your ball stud brackets to prevent unexpected door slamming, smooth out operation, and extend hardware mounting lifecycle performance.

• Key Features: Heavy-duty black nitride corrosion-resistant finish, smooth linear damping motion, high-reliability cylinder seals, and universal multi-position hatch installation.
• Technical Specs: Brand: Whitecap | Part Number / MPN: G-3340 (Mfr P/N: G-3340) | Extended Length: 15" | Compressed Length: 9-1/2" | Output Force (P1): 40 Lbs | Cylinder Shock Dimensions: 6mm Rod x 15mm Tube | Material Finish: Black Nitride / Nitrate.
• Installation Notes: Simply snap the 10mm ball sockets directly onto your existing mounting brackets with the rod facing downward to optimize seal lubrication. Ensure the mounting points correspond to your hatch geometry before tightening the assembly down. Message with any questions!