Trunk Lid Lift Support
URO 99651255103 Hatch Strut for Models Without Fixed Rear Wing
Genuine BMW 51247201462 Trunk Lid Lift Support Right Side Gas Pressurized Strut
What Is a Trunk Lid Lift Support?
Trunk lid lift supports are the unsung heroes of everyday vehicle access. These pressurized cylinders — often called gas struts or gas springs — hold your trunk lid open hands-free while you load groceries, retrieve a spare tire, or dig through your gear. Without them, a heavy trunk lid becomes a genuine safety hazard that can come crashing down without warning.
The technology is elegantly simple: gas-charged lift supports store compressed energy when the trunk is closed and release it smoothly when you open the lid, raising and holding it in position. Over time, however, the internal gas charge gradually bleeds away. Temperature swings, frequent use, and age all accelerate this wear. A sluggish trunk that only opens halfway — or one that slams shut unprompted — is a clear sign that replacement is overdue.
Why Replacing Worn Lift Supports Matters
A failing trunk lid lift support isn't just inconvenient; it's a safety issue. A lid that drops unexpectedly can injure you, a passenger, or a technician working on the vehicle. Most automotive professionals recommend inspecting all vehicle lift support parts periodically, especially on vehicles five years or older. Because lift supports work in tandem, they should always be replaced in pairs to ensure balanced, reliable support on both sides of the trunk lid.
What to Look for When Shopping
- Exact vehicle fitment – Lift supports are vehicle-specific. Always confirm the part number matches your year, make, and model before purchasing.
- Force rating – Measured in pounds or Newtons, the force rating must match the weight of your trunk lid. An undersized strut won't hold the lid open; an oversized one can overshoot and stress the hinges.
- OE vs. aftermarket quality – Look for struts engineered to meet or exceed original equipment (OE) standards for longevity and proper fit.
- Connector type – Ball-socket, eyelet, and keyhole-slot connectors are all common. Match the connector style to your vehicle's existing mounting hardware.
- Temperature resilience – Quality struts are designed to perform consistently in extreme heat and cold, not just under ideal conditions.
Top Trunk Lid Lift Support Brands
StrongArm is the dominant name in replacement lift supports and a leading brand in this category. Each StrongArm lift support is custom engineered and manufactured beyond industry standards to deliver smoother operation and longer-lasting performance. Their struts feature hardened chromium-plated steel shafts, self-cleaning pistons, and a patented temperature compensation module valve for consistent force output in all weather.
Stabilus is a global pioneer in gas spring technology whose LIFT-O-MAT product line is widely credited with establishing the modern lift support design standard. Stabilus gas springs and dampers ensure safe, comfortable, gentle gliding during opening, positioning, and closing of trunk hatches and lids, and are completely maintenance-free.
FCS offers a solid selection of direct-fit trunk lid lift supports engineered to OE specifications, making them a reliable choice for drivers who want a straightforward, dependable replacement at a practical price point.
URO specializes in European-vehicle fitment, providing trunk lid lift supports tailored to the precise engineering tolerances of brands like BMW, Audi, Volvo, and Mercedes-Benz — a go-to option when OE-quality fit is non-negotiable on a European platform.
Tuff Support rounds out the lineup with budget-friendly trunk lid struts spanning a wide range of domestic and import applications, offering an economical path to restoring safe trunk function without sacrificing basic fit and function.