Catalytic Converter for Kia Sorento (2011-2015) 2.4L

Direct-Fit Exhaust Manifold Catalytic Converter for 2011-2015 Kia Sorento (XM)

What it Does: This direct-fit stainless steel exhaust manifold catalytic converter bolts to the cylinder head of the 2011-2015 Kia Sorento (XM) equipped with the Theta II 2.4L engine to convert HC, CO, and NOx emissions while restoring proper exhaust flow.

The Stock Kia Sorento Manifold Converter Failure

On the XM chassis equipped with the Theta II 2.4L (G4KE/G4KJ) engine, the close-coupled OEM exhaust manifold converter bolts directly to the cylinder head, enduring extreme thermal cycling and heat soak. Over time, engine misfires, oil consumption, or thermal shock fracture the ceramic honeycomb substrate and degrade its precious-metal washcoat. Once the internal matrix breaks down, exhaust flow becomes restricted and triggers catalyst-efficiency fault codes like P0420 or P0430.

Common Symptoms of a Failing OEM Catalytic Converter

• Catalyst Efficiency DTCs: Persistent P0420 or P0430 check engine codes caused by depleted washcoat chemistry failing to buffer oxygen across the post-cat sensor.
• Metallic Exhaust Rattle: Audible rattling at idle or under load from a fractured ceramic substrate shifting inside the manifold shell.
• Power Loss & Backpressure: Collapsed honeycomb sections choke exhaust scavenging, causing sluggish throttle response, excessive heat, and failed emissions inspections.

The Direct-Fit Stainless Exhaust Solution

Engineered as a one-piece assembly (Part 16690), this direct-fit unit pairs a corrosion-resistant stainless steel manifold body (8-inch length, 5-inch height) with a ceramic honeycomb substrate and precious-metal washcoat. Precision flanges, integrated heat shielding, and pre- and post-catalyst O2 sensor bungs match factory geometry for a leak-free seal. Meeting EPA federal emissions standards, it restores proper exhaust flow and OBD-II readiness with zero cutting or welding.

What's Included

• 1 x Exhaust Manifold Catalytic Converter (Part 16690)
• 1 x Exhaust Manifold Gasket
• 1 x 2-Bolt Flange Gasket
• 8 x Bolts with Washers and Nuts

Technical Specifications

Compatibility

• 2011-2015 Kia Sorento Base — 2.4L I4 (XM)
• 2011-2015 Kia Sorento LX — 2.4L I4 (XM)
• 2011-2015 Kia Sorento EX — 2.4L I4 (XM)
• Exclusions: Not for 2.0L Turbo, 3.3L V6, or 3.5L V6 models. EPA federal compliant only; not CARB approved and not legal for vehicles registered in California, New York, Colorado, or Maine.

Frequently Asked Questions & Fitment Warnings

Does this fit the XM Sorento?

Yes. This is a direct fit for the 2011-2015 Kia Sorento (XM) Base, LX, and EX equipped with the Theta II 2.4L engine. It excludes 2.0L Turbo, 3.3L, and 3.5L V6 models, and is not CARB-legal for California, New York, Colorado, or Maine.

Will this clear P0420/P0430 codes, and are O2 sensors included?

Yes, it resolves catalyst-efficiency codes when the converter is at fault; oxygen sensors are not included. Inspect your pre- and post-catalyst O2 sensors and check for exhaust leaks before transferring your existing sensors or installing new ones.

Are gaskets and mounting hardware included for installation?

Yes. The kit includes the cylinder head manifold gasket, downstream 2-bolt flange gasket, and eight bolts with washers and nuts. Let the exhaust cool completely, soak old studs with penetrating oil, and torque fasteners evenly to prevent leaks.

The Kia Thermal Durability Standard

Built to withstand sustained exhaust temperatures on the XM platform, this stainless manifold converter delivers reliable emissions compliance and CEL-free ECU operation. Compare your original assembly before installation to confirm fitment.