AiYiGu Rear Hatch Shock Struts for Ford Mustang 1979–1993 — Pair, Direct-Fit 11.34"–19.61" Gas Shocks

AiYiGu 4686 rear hatch shock struts are a direct-fit pair designed to restore safe, smooth opening and holding of the rear hatch on compatible Ford Mustangs and select other models.

If your Mustang's liftgate feels heavy, drops suddenly, or no longer stays open, replacing the worn gas struts with this AiYiGu 4686 pair brings back predictable support and controlled motion. These aftermarket shocks match the OEM fit and stroke dimensions so they mount in the original positions and operate like the factory units. Supplied as left and right units without mounting screws, they arrive ready for easy swap-in installation.

Which vehicles and hatch types will these struts fit?

These 4686-style lift supports are engineered for late-1970s through early-1990s Ford Mustangs and several related models with ball-type end fittings. Confirm compatibility with your body style, spoiler setup, and year range before ordering to ensure proper length and attachment type.

• Fits Ford Mustang 1979–1993: Coupe, Convertible, Hatchback with spoiler
• Also fits Mustang 1987–1993 Sedans with spoiler
• Compatible with Dodge Aspen 1976–1977 wagons and Mercury Capri 1979–1986 hatchbacks
• Replaces OEM part numbers: 4686, SG314001, 72870, 8194751, 8559IK, 901244

How do these struts restore hatch performance?

Worn gas shocks lose pressure and no longer provide the lift force needed to hold a hatch open. Installing new AiYiGu struts re-establishes the correct compressed and extended lengths so the hatch moves smoothly and stays supported without sudden drops.

• Compressed length: 11.34 inches; extended length: 19.61 inches for correct geometry
• Balanced gas pressure provides consistent opening and holding force
• Direct-fit design aligns with factory mounting points for reliable motion

What tools and steps are required for installation?

Installation is straightforward and typically requires only basic hand tools and a helper or prop to hold the hatch. These struts use ball-type end fittings and do not include screws; you replace them by popping the old clips off and snapping on the new units.

• No special fasteners needed—flathead screwdriver to pry off clips
• Support the hatch with a rod or a second person before removing old struts
• Snap new strut ends onto the ball studs until they click into place

What warranty and quality assurances come with the product?

AiYiGu backs these hatch shocks with a two-year warranty covering manufacturing defects, providing added confidence with the purchase. If you encounter fitment or workmanship concerns, AiYiGu customer support is available to assist with troubleshooting or replacement.

• AiYiGu two-year limited warranty against material and workmanship defects
• Sold as a pair (left and right) to ensure matched performance
• Made to meet the same functional dimensions as listed OEM numbers

Who is this for? If you own a Ford Mustang (1979–1993) or a compatible Mercury or Dodge model with a sagging or unsafe rear hatch, this AiYiGu 4686 rear hatch shock pair is aimed at DIYers, restoration enthusiasts, and mechanics seeking a cost-effective, OEM-dimension replacement. It’s ideal for anyone who wants safer, smoother trunk or hatch operation without complex modification—just verify your vehicle year and mounting style then follow simple swap steps to restore dependable lift support.