SKU: CW77682
MPN: 321486-1
The Sea-Dog Gas Filled Lift Spring – 20" – 60# is an essential component for anyone working with boat hatches, engine compartment covers, tonneau covers, or any hinged automotive enclosure that requires controlled lift assistance. As a mechanic, you know that properly functioning lift springs make the difference between safe, one-handed operation and a frustrating wrestling match with heavy panels. This gas-filled design replaces worn springs and restores the smooth, balanced opening that keeps crew safe and improves daily usability on both marine and automotive applications.
Gas-filled lift springs work by storing energy in pressurized nitrogen, which creates consistent upward force across the full range of motion. The 60-pound force rating means this spring provides enough lift to support panels in the 60-pound weight range, holding them open securely without drift-down or slamming shut. At 20 inches in length, this unit fits standard mid-size hatch and cover assemblies. The sealed gas charge remains stable across temperature fluctuations, unlike mechanical springs that degrade over time, ensuring years of reliable performance without maintenance or re-tensioning.
Mechanics and boat owners working on deck hatches, engine access covers, and automotive tonneau systems benefit most from this upgrade. Installation requires matching both the extended length (20") and the force rating (60#) to your existing hardware—swapping in a spring that's too weak or too strong creates safety hazards and accelerated wear on hinge pins. This Sea-Dog model is engineered for marine-grade corrosion resistance, making it ideal for saltwater environments, though it performs equally well in automotive engine bays and truck bed applications. Verify your current spring dimensions and weight load before ordering to ensure proper fit and function.
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