This high-quality water pump from ACDelco is designed to fit perfectly into your 1982 Chevrolet Cavalier 1.8L 4cyl engine. It is made with durable aluminum housing material and a steel impeller material for long-lasting performance. The mounting style is bolt-on and the drive type is belt driven. This water pump has been tested for durability and is a vintage part that will add authenticity to your restoration project. It is not a universal fitment and has specific OE/OEM and interchange part numbers, including 12321375. Buy with confidence and upgrade your engine cooling components with this reliable water pump from ACDelco.