Is your Mitsubishi's gas door floppy or not staying closed? This little spring clip is likely the culprit. This is a direct replacement part (OEM number MR970563 / MB642442) for the spring that provides tension to your fuel filler door. It's a small but crucial piece! It's made from durable metal and is designed to be a direct fit, so no modifications should be needed. Before ordering, it's super important to double-check that this part number matches your specific vehicle's year and model. It fits a range of Mitsubishi models including the Lancer (2003-2006), Galant (1988-1998), Outlander (2004-2010), Diamante, Montero, and more (see the full list in the description). Installation is usually pretty straightforward – often just involves prying out the old, broken spring and snapping this new one into place. A cheap and easy fix that restores proper function to your gas door. Make sure your car is on the list before you buy!