For many drivers, a smoothly working car boot or bonnet is something you only notice when it stops working. Those gas struts that hold up the boot, bonnet, or tailgate do a quiet, essential job. In Australia, where roads and weather can be demanding, worn struts are...

Gas struts keep bonnets, boots, tailgates, hatches and other panels safe and easy to use. They use pressurised nitrogen inside a sealed cylinder to provide lifting force and controlled movement. Over time, that pressure drops, and suddenly a bonnet that used to hold...