Compatibility: This rear catalytic converter is compatible with 1998-2000 Mazda B3000 3.0L/4.0L; compatible with 1998-2000 Mazda B4000 3.0L/4.0L; compatible with 1998-2000 Ford Ranger 3.0L/4.0L Material: Built with heavy-duty 409 stainless steel, this converter is engineered to withstand tough driving environments, delivering durable long-term performance Function: This catalytic converter is engineered to restore proper engine performance compromised by a faulty unit while ensuring the vehicle' s emission system functions as intended Installation: Designed for screw installation, this catalytic converter helps maintain your vehicle' s emissions within specified parameters, supports stable engine function, and aids in meeting applicable emission requirements Package: Includes 1 X rear catalytic converter, hardware and installation instructions not included