Catalytic Converter for Jeep Wrangler (2012-2017) 3.6L
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Direct-Fit Catalytic Converter Assembly for 2012-2017 Jeep Wrangler
What it Does: Restores exhaust scavenging efficiency and resolves catalyst-efficiency fault codes by replacing compromised OEM emissions units with a bolt-on assembly.
The Stock Wrangler Substrate Degradation and Thermal Fatigue
Factory exhaust converters on the JK platform face harsh operating extremes. Extended low-speed trail crawling and abrupt thermal shock from water crossings lead to premature micro-fracturing of the internal ceramic core. Over time, washcoat depletion causes recurrent P0420/P0430 DTCs. Simultaneously, sustained thermal cycling fatigues the factory metal joints, causing manifold flange warp, upstream exhaust leaks, and skewed oxygen sensor feedback that undermines fuel-trim stability.
The Engineering Solution
Constructed with a heavy-gauge stainless steel outer shell, this left-and-right converter set offers superior resistance against rust, off-road debris, and chassis flex. Inside, a durable ceramic substrate delivers optimized cell density to scrub tailpipe emissions without inducing excessive exhaust backpressure. Precision-aligned, thick-section flanges mate directly to OEM header drop-downs and cat-back piping, utilizing factory O2 sensor locations for straightforward installation with zero cutting or welding required.
Technical Specifications
| Fitment | 2012-2017 Jeep Wrangler |
| Engine / Chassis | 3.6L Pentastar V6 / JK |
| Stock Output | 285 hp / 260 lb-ft (Approx) |
| Part Number | DS-A0482A0040, 20H641512, 20H641511 |
Compatibility
- 2012–2017 Jeep Wrangler (JK) – 3.6L Pentastar V6 (2-Door: Sport, Sahara, Rubicon)
- 2012–2017 Jeep Wrangler Unlimited (JKU) – 3.6L Pentastar V6 (4-Door: Sport, Sahara, Rubicon)
The Jeep Durability Standard
Engineered to handle severe chassis articulation, prolonged off-highway loads, and high-temp towing, this converter set delivers reliable, leak-free exhaust sealing and ensures your Pentastar-powered JK stays trail-ready and code-free.
Emissions Legal Notice: This catalytic converter is a Federal EPA-compliant aftermarket part. It is NOT CARB-approved and is NOT legal for sale or use in California, or in states that have adopted California emissions standards, including Colorado, New York, and Maine. We do not ship this item to those states. Buyers are responsible for verifying that this part complies with their state and local emissions laws before purchase and installation. This part is not intended for use on vehicles originally certified to California emissions standards.
Common Questions
Will this catalytic converter set fit my 2012-2017 Jeep Wrangler Unlimited 4-door?
Yes. This direct-fit assembly fits both the 2-door Jeep Wrangler (JK) and 4-door Jeep Wrangler Unlimited (JKU) from 2012 to 2017 equipped with the 3.6L Pentastar V6, including Sport, Sahara, and Rubicon trims.
Does this include both the driver and passenger side converters?
Yes. This listing is for a complete left-and-right catalytic converter set (interchange part numbers 20H641511 and 20H641512).
Which engine is this catalytic converter assembly made for?
This converter assembly is built specifically for 2012-2017 Jeep Wrangler JK and JKU models powered by the 3.6L Pentastar V6 engine.
Is cutting or welding required for installation?
The converters feature precision-aligned flanges that bolt directly to the factory header drop-downs and cat-back exhaust piping using the stock O2 sensor locations, requiring zero cutting or welding.
What materials are used in the construction of these converters?
Each unit is built with a heavy-gauge stainless steel outer shell and a high-density internal ceramic substrate engineered to handle off-road heat and chassis flex.
Fitment
Fitment
Warranty
Warranty
