NEW OLD STOCK - This Carquest Standard T-Series SS591 Diesel Glow Plug Relay is a top-quality replacement for your vehicle's faulty relay. It is designed to fit directly into your car's system without any hiccups. The plug terminal type ensures a secure and reliable connection.

The relay is made by Federated and is a genuine product. It comes with a bundle of one piece and is compatible with various interchange part numbers such as 16136, ACDelco Wells S580, and Airtex 1M1466. The manufacturer part number is SS591T. This relay is perfect for those looking for a direct replacement without worrying about compatibility issues.