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Catalytic Converter for Chevrolet Blazer (2000-2005) 4.3L Front



Precio regular $265.95
Precio de oferta $265.95 Precio regular
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Direct-Fit Front Catalytic Converter for 2000-2005 Chevrolet Blazer (GMT330)

What it Does: The Front Catalytic Converter replaces the degraded or clogged factory exhaust converter on the 2000-2005 Chevrolet Blazer to restore exhaust velocity, clear emissions trouble codes, and maintain proper emissions compliance.

The Stock Chevrolet Blazer Catalyst Degradation and Exhaust Restriction

Factory catalytic converters on the GMT330 chassis equipped with the Vortec 4300 (L35/LU3) 4.3L V6 routinely suffer from ceramic substrate deterioration and washcoat sintering after years of thermal cycling. Unburned fuel and cold-start enrichment degrade the internal monolith over time, leading to matrix fracture, internal crumbling, and localized blockage. This backpressure bottleneck chokes exhaust scavenging, severely impacts low-end torque, spikes underhood thermal load, and triggers persistent P0420 diagnostic trouble codes while prematurely fatiguing upstream oxygen sensors.

The Engineering Solution

Engineered as a bolt-on replacement, this direct-fit front assembly eliminates restrictive exhaust bottlenecks without custom pipe fabrication or welding. Constructed with a heavy-gauge 409 stainless steel shell, it delivers superior resistance to road salt corrosion, vibration cracking, and thermal shock. Internally, a high-porosity ceramic monolith washcoated with precious metal catalysts optimizes chemical conversion rates for hydrocarbons, carbon monoxide, and oxides of nitrogen. Precision-aligned factory-spec flanges and integrated O2 sensor bungs mate directly to OEM part 15006096 (interchange 50376, 50542, 19471) for a leak-free seal.

Technical Specifications

Fitment 2000-2005 Chevrolet Blazer
Engine / Chassis 4.3L Vortec 4300 (L35 / LU3) / GMT330
Stock Output 190 hp / 250 lb-ft
Replaces OEM Part # 15006096, 50376, 50542, 19471

Compatibility

  • 2000-2005 Chevrolet Blazer 4.3L V6
  • Fits 4-Door 4WD / AWD models only
  • Front (undercar) exhaust converter position
  • Does not fit 2-Door or 2WD models
  • EPA 46-State legal (Cannot ship to CA, NY, CO, or ME)

Frequently Asked Questions

Does this fit the GMT330 Blazer?

Yes, this is a direct fit for the 2000-2005 Chevrolet Blazer equipped with the Vortec 4300 engine.

Will this direct-fit catalytic converter clear my P0420 check engine code?

Yes, replacing a deteriorated factory converter with this unit restores catalyst efficiency thresholds to resolve P0420 codes, provided upstream fueling and O2 sensors function correctly.

The Chevrolet Utility & Towing Standard

The 4.3L Blazer platform relies on unrestricted exhaust flow to maintain pulling capacity, stable exhaust gas temperatures, and dependable off-road torque under severe duty cycles.




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Chevrolet

Tamaño del motor

  • 4.3L

Año

  • 2000
  • 2001
  • 2002
  • 2003
  • 2004
  • 2005

Garantía

Todos los productos están respaldados por nuestra garantía limitada de por vida. Confiamos en nuestra calidad. [Ver términos y condiciones]

Catalytic Converter for Chevrolet Blazer (2000-2005) 4.3L Front

$265.95