The Nikki 21g 304-50 carburetor is a direct replacement part for a 1986 Mazda B2000 with a 1998cc engine. It comes with a manufacturer warranty and is designed to provide optimal air and fuel delivery for the vehicle. The carburetor does not include mounting hardware, making it easy to install for a seamless performance. With the trusted Nikki brand behind it, this carburetor is a reliable choice for anyone looking to replace or upgrade their vehicle's fuel system.