Eastern Convertors 41318 Catalytic Converter - Rear

Direct-Fit Rear Catalytic Converter for Mazda

Eastern Convertors 41318 is a direct-fit rear catalytic converter built for 2014-2016 Mazda 3, Mazda 6, and CX-5 applications. It is engineered to match OE dimensions and fitment for a straightforward replacement on the rear exhaust position.

The DIRECT FIT line focuses on application-specific exhaust parts for Mazda 3, Mazda 6, and CX-5 models, with manufacturing methods that support consistent dimensions and efficient production. Part number 41318 uses a standard catalyst design and a 20-inch overall length for the listed rear applications.

Key Features

• Direct-fit rear catalytic converter for listed Mazda applications
• Standard catalyst type
• Built to OE dimensions for proper fitment
• 20-inch overall length
• 2-bolt welded inlet connection
• 1 O2 sensor port
• 2.360"-2.370" OD outlet
• Eastern Convertors DIRECT FIT product line

Detailed Description

Eastern Convertors 41318 is a rear catalytic converter for 2014-2016 Mazda 3, 2014-2016 Mazda 6, and 2014-2016 Mazda CX-5. It is built as a direct-fit replacement with OE-style dimensions, a welded 2-bolt inlet, and a 2.360"-2.370" OD outlet to match the listed exhaust configuration. The unit includes one O2 sensor port and uses a standard catalyst layout for the rear position.

The DIRECT FIT line is positioned for exact application matching, making this part number 41318 a practical choice when replacing the rear converter on a Mazda 3, Mazda 6, or CX-5 from the listed model years. The manufacturer also uses advanced production methods and proprietary substrate chemistry to support consistent converter construction and efficient catalyst loading.

Vehicle Fitment

• Fits 2014-2016 Mazda 3, rear. Legal note: Not for sale or use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT.
• Fits 2014-2016 Mazda 6, rear. Legal note: Not for sale or use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT.
• Fits 2014-2016 Mazda CX-5, rear. Legal note: Not for sale or use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT.

Common Replacement Reasons

• Failed rear catalytic converter efficiency codes
• Exhaust restriction affecting engine performance
• Rattling or damaged converter substrate
• Exhaust leaks at the rear converter connection
• Check engine light related to catalyst performance

Installation Notes

Verify the rear position, inlet style, outlet diameter, and O2 sensor port location before installation. This part number 41318 is specified for the listed Mazda applications only, and the fitment notes exclude vehicles with CA emissions in CA, CO, ME, and NY. Confirm the exhaust configuration against the original converter before removal to ensure the correct direct-fit replacement.

Quality Assurance

Eastern Convertors uses automated workstations, spinner welding equipment, and high-speed production lines to build converters to OE dimensions and fitment. The DIRECT FIT line is manufactured to support consistent application matching for Mazda 3, Mazda 6, and CX-5 rear exhaust service.