Catalytic Converter for Land Rover Range Rover Sport (2014-2019) 5.0L

Direct-Fit Stainless Catalytic Converter Set for 2014-2019 Land Rover Range Rover Sport (L494)

What it Does: This direct-fit catalytic converter pair replaces both bank assemblies on the 2014-2019 L494 Land Rover Range Rover Sport AJ133 5.0L Supercharged V8 to restore emissions conversion and factory exhaust flow.

The Stock Land Rover Range Rover Sport Catalytic Failure

On the L494 chassis powered by the AJ133 5.0L Supercharged V8, high exhaust gas temperatures from forced induction subject the factory catalytic converters to severe thermal cycling. Over time, repeated heat soak degrades the precious-metal washcoat and fractures the internal ceramic monolith inside the housing. Once the substrate cracks or melts, fragmented pieces restrict exhaust flow and prevent proper oxygen storage, triggering P0420 and P0430 catalyst-efficiency fault codes across both banks.

Common Symptoms of a Failing OEM Catalytic Converter

• Check Engine Light / DTCs: Stored P0420 (Bank 1) or P0430 (Bank 2) codes caused by depleted catalyst efficiency below ECM thresholds.
• Metallic Substrate Rattle: Audible buzzing or clattering underneath the vehicle at idle or deceleration from a fractured ceramic core.
• Drivability & Emissions Loss: Elevated exhaust backpressure causing sluggish throttle response, sulfur odors, and failed federal emissions inspections.

The Direct-Fit Stainless Catalytic Solution

This two-pipe assembly replaces both left and right converters simultaneously using factory-spec flanges and pre- and post-catalyst O2 sensor bungs for a true bolt-on installation with no cutting or welding. Each converter features a corrosion-resistant stainless steel body and piping (8-inch body length, 5-inch body height) to resist thermal cracking and road-salt oxidation. Inside, a high-flow ceramic honeycomb substrate coated with precious metals converts HC, CO, and NOx cleanly to restore OBD-II readiness.

What's Included

• 2 x Direct-Fit Catalytic Converter Pipes (Bank 1 & Bank 2)

Technical Specifications

Compatibility

• 2014-2019 Land Rover Range Rover Sport (L494) — 5.0L Supercharged V8 (Supercharged, Supercharged Dynamic, HSE, HSE Dynamic, Autobiography, Autobiography Dynamic, SVR)
• Exclusions: Does not fit full-size Range Rover (L405) or 3.0L V6 models. Not CARB compliant.

Frequently Asked Questions & Fitment Warnings

Does this fit the L494 Range Rover Sport?

Yes. This pair is a direct fit for the 2014-2019 Land Rover Range Rover Sport equipped with the AJ133 5.0L Supercharged V8. It does not fit the full-size Range Rover or 3.0L V6 models, and as an EPA federal part it is not legal for vehicles registered in California, New York, Colorado, or Maine.

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

Yes, it resolves catalyst-efficiency codes caused by worn converters, though O2 sensors are not included. Transfer your existing sensors or install new pre- and post-catalyst sensors while verifying there are no upstream exhaust leaks causing P0420 or P0430.

What prep is required for bolt-on installation?

Allow the exhaust to cool completely and soak all flange hardware with penetrating oil before unbolting. Install using new gaskets, torque flange fasteners evenly, and inspect every joint for leaks once the engine reaches operating temperature.

The Land Rover Precision Standard

Engineered to meet strict European OBD-II monitoring tolerances, this direct-fit stainless converter pair keeps the L494 ECM satisfied without check engine lights. Built for clean emissions compliance and reliable exhaust scavenging under supercharged V8 heat loads.