Dealing with a door that won't lock or making weird noises? This replacement actuator is exactly what you need for your 2005-2009 Equinox or 2006-2009 Torrent. Specifically made for the rear left driver side door. It replaces all the common OEM numbers like 931-136, 88980999, and others. Made from tough ABS plastic and metal components that match the original specs. Installation is pretty straightforward if you're handy with car repairs - usually takes about an hour with basic tools. Fixes common issues like doors not locking with the remote, strange clicking noises, or doors that just won't stay closed properly. We've had mechanics test these and they fit exactly like the original parts. Comes with everything you see - just the actuator unit ready to install. Saves you a ton compared to dealership prices. Works with your existing power locks and remote system. Just make sure you're getting the correct side - this is for the rear LEFT door. Perfect for DIY repairs or professional mechanics looking for reliable aftermarket parts.