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Catalytic Converter for Chevrolet Silverado (2014-2018) 4.3L 5.3L Front Left & Right



Precio regular $246.95
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Direct-Fit Front Left & Right Catalytic Converter Assembly for 2014-2018 Chevrolet Silverado (K2XX)

What it Does: The Front Left & Right Catalytic Converter Assembly replaces degraded emissions hardware on the 2014-2018 Chevrolet Silverado to eliminate P0420/P0430 trouble codes, maintain emissions compliance, and restore unrestricted exhaust flow.

The Stock Chevrolet Silverado Exhaust Restriction & Failure

Factory catalytic converters on the K2XX platform suffer substantial thermal fatigue over time. Paired with the thermal cycling of the EcoTec3 active fuel management system, the stock ceramic substrates degrade, break down, or foul. Internal matrix melt-down or washcoat failure increases manifold backpressure, which degrades volumetric efficiency, elevates cylinder head temperatures, robs towing torque, and trips persistent check engine lights.

The Engineering Solution

This front left and right direct-fit assembly is built from heavy-gauge stainless steel tubing to resist road-deicer corrosion and structural fatigue under high-heat exhaust cycling. Internally, flow-matched ceramic honeycomb substrates carry an optimized washcoat formulation that achieves high conversion efficiency without choking exhaust gas velocity. Robotically welded OE-spec flanges and integrated O2 sensor bungs allow a direct bolt-on installation to factory exhaust manifolds and y-pipes without cutting, custom bending, or fabrication.

Technical Specifications

Fitment 2014-2018 Chevrolet Silverado 1500
Engine / Chassis LV3 4.3L / L83 5.3L / K2XX
Stock Output 285-355 hp / 305-383 lb-ft
Replaces OEM Part # 645159, 50497, 52642

Compatibility

  • 2014-2018 Chevrolet Silverado 1500 4.3L V6 (LV3)
  • 2014-2018 Chevrolet Silverado 1500 5.3L V8 (L83)
  • Fits Front Left and Front Right exhaust positions
  • Does not fit 6.2L V8 models

Frequently Asked Questions

Does this fit the K2XX Silverado?

Yes, this is a direct fit for the 2014-2018 Chevrolet Silverado equipped with the LV3 4.3L or L83 5.3L engine.

Is this catalytic converter legal nationwide?

This unit is 46-state EPA compliant but cannot be shipped to or installed on vehicles registered in California, New York, Colorado, or Maine.

The Chevrolet Durability Standard

Trucks depend on sustained exhaust scavenging under sustained payload and trailering conditions. This converter set provides the heat tolerance and backpressure reduction necessary to safeguard your drivetrain across demanding work cycles.




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Chevrolet

Tamaño del motor

  • 4.3L
  • 5.3L

Año

  • 2014
  • 2015
  • 2016
  • 2017
  • 2018

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 Silverado (2014-2018) 4.3L 5.3L Front Left & Right

$246.95