Catalytic Converter for Ford F-250 F-350 (2008-2010) 5.4L 6.8L Front

Direct-Fit Front Catalytic Converter for 2008-2010 Ford F-250, F-350

What it Does: The front catalytic converter replaces the clogged or degraded factory emissions assembly on the 2008-2010 F-250 and F-350 to clear P0420/P0430 diagnostic trouble codes, restore exhaust scavenging, and re-establish optimal volumetric efficiency.

The Stock Ford F-250, F-350 Substrate Meltdown and Backpressure Choke

Factory exhaust converters on the heavy-duty P356 platform endure punishing thermal cycling under continuous towing and hauling loads. Over time, high exhaust gas temperatures and unburnt fuel cycles common to the 5.4L Triton V8 and 6.8L Triton V10 degrade the stock ceramic washcoat. This causes cell wall collapse, core cracking, and physical substrate clogging. The resulting restriction creates heavy exhaust backpressure at the exhaust manifolds, elevating cylinder head temperatures, degrading fuel economy, and triggering catalyst efficiency trouble codes.

The Engineering Solution

This front direct-fit assembly is fabricated with a heavy-gauge stainless steel outer casing engineered to resist road brine and mechanical road impact. Internally, a high-efficiency ceramic honeycomb core coated with precious metal catalysts promotes rapid light-off and reliable chemical conversion of hydrocarbons, carbon monoxide, and NOx. Precision mandrel-bent tubing maintains consistent cross-sectional diameter for optimal flow velocity, while OE-spec stamped flanges mate directly to factory downpipes without welding.

Technical Specifications

Compatibility

• 2008-2010 Ford F-250 Super Duty (5.4L V8 Triton, 6.8L V10 Triton)
• 2008-2010 Ford F-350 Super Duty (5.4L V8 Triton, 6.8L V10 Triton)
• Position: Front assembly
• Emissions: EPA Federal compliant (Not legal for sale in California or CARB-restricted states)

Frequently Asked Questions

Does this fit the P356 F-250, F-350?
Yes, this is a direct fit for the 2008-2010 Ford F-250, F-350 equipped with the 5.4L Triton V8 or 6.8L Triton V10 engine.

Will this clear my P0420/P0430 check engine light?
Yes, installed alongside functioning upstream/downstream O2 sensors, this converter provides the catalytic reduction needed to restore factory emissions thresholds and clear converter efficiency codes.

The Ford Super Duty Towing Standard

Constructed to meet the continuous duty-cycle demands of Ford Super Duty work platforms, this converter delivers the thermal stability and structural durability required to handle heavy payload hauling and sustained grade pulling without premature substrate failure.