Catalytic Converter for Dodge Avenger (2011-2014) 3.6L Left

Direct-Fit Left Catalytic Converter for 2011-2014 Dodge Avenger

What it Does: The catalytic converter replaces the deteriorated factory left-bank converter on the 2011-2014 Avenger to eliminate P0420/P0430 fault codes and restore factory exhaust velocity.

The Stock Dodge Avenger Substrate Degradation

In the transverse-mounted **JS** platform application, high thermal loads and prolonged exhaust backpressure take a heavy toll on the factory converter washcoat. Over sustained mileage, the stock ceramic monolith within the **3.6L Pentastar** exhaust assembly suffers from thermal degradation and structural washcoat sintering. This causes restricted scavenging, compromised closed-loop fuel trim management, unburnt hydrocarbon bypass, and persistent catalyst-efficiency check engine lights.

The Engineering Solution

This direct-replacement left-side catalytic converter is built with a heavy-gauge stainless steel outer shell designed to withstand thermal cycling and road debris corrosion. Internally, a high-efficiency ceramic honeycomb substrate utilizes balanced noble metal loadings to facilitate complete chemical reduction of NOx and oxidation of CO and unburnt hydrocarbons. Engineered with precise OE-spec flange thickness, factory-matched oxygen sensor bungs, and supplied hardware, it installs seamlessly without cutting or custom fabrication to re-establish balanced exhaust backpressure.

Technical Specifications

Compatibility

• 2011 Dodge Avenger 3.6L V6 (Left / Radiator Side)
• 2012 Dodge Avenger 3.6L V6 (Left / Radiator Side)
• 2013 Dodge Avenger 3.6L V6 (Left / Radiator Side)
• 2014 Dodge Avenger 3.6L V6 (Left / Radiator Side)

Frequently Asked Questions

Does this fit the JS Avenger?
Yes, this is a direct fit for the 2011-2014 Dodge Avenger equipped with the 3.6L Pentastar engine.

Will this resolve an active P0420 diagnostic trouble code?
Yes, assuming downstream O2 sensors and fueling systems are operating correctly, this replacement catalyst restores proper emissions conversion efficiency to clear the code.

The Dodge Muscle Standard

Engineered to handle the high exhaust temperatures of the 283-horsepower **Pentastar** V6, this assembly ensures crisp mid-range throttle response, proper acoustic dampening, and reliable emissions compliance without suffocating high-RPM power.