Catalytic Converter for Ford Ranger (1998-2000) 3.0L 4.0L Front

Direct-Fit Front Catalytic Converter for 1998-2000 Ford Ranger (PN105)

What it Does: The Front Catalytic Converter Assembly replaces the clogged or deteriorated factory Y-pipe manifold converter on 1998-2000 Ranger trucks to restore factory exhaust scavenging and eliminate catalyst inefficiency diagnostic trouble codes.

The Stock Ford Ranger Manifold & Catalytic Failure Points

The original Y-pipe catalytic assembly on PN105 chassis Rangers undergoes intense thermal cycling near the exhaust manifolds. Over decades of operation, the factory dual-inlet ceramic substrates degrade, suffering from thermal shock, carbon fouling, and washcoat attrition. This leads to internal core disintegration, excessive exhaust backpressure, restricted top-end power, and persistent P0420/P0430 CEL faults. Additionally, factory mild-steel collector joints frequently develop hairline stress cracks at the welded seams, causing upstream exhaust leaks that distort downstream O2 sensor feedback.

The Engineering Solution

Engineered as a bolt-on assembly, this front Y-pipe converter utilizes a heavy-gauge Stainless Steel tubular housing designed to resist thermal fatigue, road brine, and structural cracking. Inside, a high-flow ceramic substrate is treated with an engineered washcoat to deliver optimal NOX, CO, and HC conversion without choking exhaust velocity. Mandrel-bent transition tubing preserves balanced exhaust flow from both cylinder banks of the Vulcan 3.0L and Cologne 4.0L engines directly to the intermediate pipe, retaining stock hanger and O2 sensor provisions for zero-fabrication installation.

Technical Specifications

Compatibility

• 1998-2000 Ford Ranger XL 3.0L V6
• 1998-2000 Ford Ranger XLT 3.0L V6
• 1998-2000 Ford Ranger Splash 3.0L V6
• 1998-2000 Ford Ranger XL 4.0L V6
• 1998-2000 Ford Ranger XLT 4.0L V6
• 1998-2000 Ford Ranger Splash 4.0L V6

Frequently Asked Questions

Does this fit the PN105 Ranger?

Yes, this is a direct fit for the 1998-2000 Ford Ranger equipped with the Vulcan 3.0L or Cologne 4.0L V6 engine.

Is this catalytic converter legal for road use in California?

No, this unit is 46-state EPA compliant and cannot be sold, shipped, or operated on vehicles registered in CA, NY, CO, or ME.

The Ford Utility Standard

Built to handle heavy payload stress, towing heat cycles, and rough job-site duty, this catalytic converter ensures reliable emissions performance and uninhibited low-end torque for your working Ford truck.