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Catalytic Converter for Chevrolet S-10 (2001-2004) 4.3L Front



Prix normal $265.95
Prix promotionnel $265.95 Prix normal
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Direct-Fit Front Catalytic Converter for 2001-2004 Chevrolet S-10 (GMT325)

What it Does: The Front Catalytic Converter assembly replaces deteriorated factory emissions plumbing on the 2001-2004 Chevrolet S-10 to eliminate P0420 catalyst efficiency trouble codes and restore proper exhaust scavenging.

The Stock Chevrolet S-10 Substrate Breakdown and Flow Choke

Over extended operating hours, the factory undercar catalytic converter on the GMT325 platform suffers from thermal degradation and carbon loading. Rich running conditions inherent to high-mileage Vortec 4300 V6 engines erode the internal washcoat and crumble the OEM ceramic honeycomb matrix. This internal breakdown triggers upstream/downstream oxygen sensor delta voltage faults (DTC P0420), elevates exhaust backpressure, elevates cylinder head temperatures, and chokes off engine power under load.

The Engineering Solution

Constructed from corrosion-resistant tubular stainless steel, this front converter assembly integrates a robust, high-flow ceramic substrate formulated with a precise washcoat of precious metals (platinum, palladium, rhodium) for optimal emissions conversion efficiency. Precision laser-cut mounting flanges and accurate O2 sensor bungs eliminate the need for torching, pipe bending, or custom welding. The direct-fit mandrel-bent design preserves factory clearance along the transfer case and crossmembers while maintaining correct low-RPM exhaust gas velocity for towing and payload performance.

Technical Specifications

Fitment 2001-2004 Chevrolet S-10
Engine / Chassis 4.3L Vortec 4300 (LU3/L35) / GMT325
Stock Output 190 hp / 250 lb-ft
Replaces OEM Part # 15006096, 50376, 50542, 19471

Compatibility

  • 2001-2004 Chevrolet S-10 Crew Cab (4-Door) 4WD 4.3L V6
  • Front / Undercar position only
  • EPA Compliant (46-state legal; restricted from CA, NY, CO, ME)

Frequently Asked Questions

Does this fit the GMT325 S-10?

Yes, this is a direct fit for the 2001-2004 Chevrolet S-10 equipped with the Vortec 4300 engine in 4WD Crew Cab configuration.

Will this unit clear the P0420 Check Engine Light?

Yes, replacing a contaminated or failed factory core with this functional catalyst restores proper oxygen storage capacity and eliminates P0420/P0430 diagnostic trouble codes.

The Chevrolet Truck Standard

Engineered to handle sustained exhaust gas temperatures generated during heavy hauling and rough utility work, this stainless steel assembly delivers the structural rigidity and thermal resistance demanded by active 4WD work trucks.




Ajustement

Faire

Chevrolet

Cylindrée

  • 4.3L

Année

  • 2001
  • 2002
  • 2003
  • 2004

Garantie

Tous nos produits sont couverts par notre garantie à vie limitée . Nous garantissons leur qualité. [ Voir conditions ]

Catalytic Converter for Chevrolet S-10 (2001-2004) 4.3L Front

$265.95