AiYiGu 18-inch Gas Struts 40LB (178N) — 2-Piece Lift Supports, No Brackets, Smooth Damping

AiYiGu 18-inch gas struts (40LB/178N) are a pair of heavy-duty lift supports designed to open and hold camper shells, truck toppers, canopies, toolbox lids and similar panels without extra brackets.

These two gas shocks deliver a 40-pound (178-newton) push each, with a compressed hole-to-hole length of 10.82 inches and an extended length of 18.7 inches. Supplied as a ready-to-install 2-piece set, they mount with simple tools and are compatible with many popular applications such as Leer camper shells, SnugTop caps, truck toppers, canopies, windows and custom modification projects. AiYiGu backs the struts with a two-year service promise against manufacturing defects.

How do these struts perform when lifting camper shells or truck caps?

The 40LB (178N) force rating gives reliable lift assistance for medium-weight panels, reducing strain when opening and keeping the panel held in the open position. They operate smoothly through the stroke for predictable support and controlled closing.

• 40LB / 178N force per strut for steady lift support
• Compressed 10.82" and extended 18.7" hole-to-hole travel
• Smooth gas damping for controlled opening and closing
• Sold as a matched pair for balanced operation

What tools and steps are required to install the AiYiGu 18-inch gas struts?

Installation is straightforward and generally requires only basic hand tools. The package uses common mounting points and can often be fitted using a flat screwdriver to release or secure ball sockets; no special hydraulic tools are required.

• Installation typically uses existing ball-stud mounts or simple clips
• Flat screwdriver is sufficient for many installations
• Works with standard hole-to-hole dimensions listed above
• Pair installation ensures even lifting force on both sides

Which vehicles and projects are these gas shocks compatible with?

These struts are versatile and fit a wide range of truck accessories and custom builds. They’re commonly used on camper shells, truck topper caps, canopies, toolboxes, and side or rear access doors where the specified lengths and force suit the panel weight.

• Compatible with Leer camper shells, SnugTop and many topper caps
• Suitable for canopy doors, toolbox lids and window supports
• Useful in custom projects where 10.82"–18.7" travel matches hardware
• Sold as a 2-piece set for symmetrical installations

What warranty and customer support does AiYiGu provide?

AiYiGu includes a two-year service commitment covering defects in material and workmanship from the purchase date. Customer support is available if the product doesn’t meet expectations or if assistance is needed during installation.

• Two-year coverage against manufacturing defects
• Direct support from AiYiGu for fitment or performance questions
• Replacement or guidance offered within the service period

Who is this for: These 18-inch, 40LB gas struts are a practical choice for truck owners, RV and camper DIYers, outdoor gear installers, and tradespeople who need dependable lift assistance for medium-weight lids and panels. Choose this AiYiGu two-piece set when you want matched, ready-to-install supports with clear length and force specifications and two-year service coverage.