Is your Nissan's active grille shutter acting up? This Dorman 601-355 radiator shutter assembly is the exact replacement you need to get things working smoothly again. It's designed to match the original equipment perfectly – same fit, same function, no guesswork. The 4-pin connector means it's literally plug-and-play: just remove the old one and plug this one in. It fits specific Nissan Altima and Murano models from 2015 through 2018 (double-check your trim to be sure). Dorman has been making reliable aftermarket parts for over 100 years, so you know this isn't some cheap knockoff. It's precision-engineered with durable materials to handle the heat and vibration under the hood. If your check engine light is on because of shutter issues, or if the blades are stuck open/closed, this assembly can fix it. Perfect for DIYers who want OE-quality without the dealership price tag. Keep your cooling system efficient and your vehicle running right with this trustworthy replacement part.