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Catalytic Converter for Jeep Liberty (2002-2003) 3.7L Front Left & Right



Precio regular $116.95
Precio de oferta $116.95 Precio regular
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Direct-Fit Front Left & Right Catalytic Converter Set for 2002-2003 Jeep Liberty (KJ)

What it Does: The Front Left & Right Catalytic Converter Set replaces deteriorated factory pre-cats on the 2002-2003 Liberty to restore factory exhaust velocity, eliminate catalyst efficiency trouble codes, and ensure reliable emissions compliance.

The Stock Jeep Liberty Catalyst Degradation & Restriction

On early KJ platform models powered by the PowerTech 3.7L V6, the factory close-coupled front catalytic converters operate under extreme thermal cycling and intense vibrational stress. Over time, continuous exposure to unburned hydrocarbons and thermal fatigue leads to internal ceramic honeycomb degradation, washcoat sintering, and substrate fracturing. This deterioration triggers persistent P0420 and P0430 diagnostic trouble codes, elevates exhaust backpressure, chokes cylinder scavenging, and causes sluggish acceleration under heavy load.

The Engineering Solution

This front left and right catalytic converter pair is manufactured to factory direct-fit geometry, dropping directly into the OEM exhaust runner locations without requiring cutting or custom welding. Constructed with high-grade, corrosion-resistant stainless steel housings and thick, precision-machined connection flanges, this assembly prevents thermal warpage and exhaust leaks. Internally, high-porosity ceramic substrates coated with balanced precious-metal washcoats ensure optimal catalytic conversion efficiency, lower backpressure, and smooth exhaust gas throughput. Precision-welded bung locations accept factory upstream and downstream oxygen sensors to maintain precise closed-loop fueling control.

Technical Specifications

Fitment 2002-2003 Jeep Liberty
Engine / Chassis PowerTech 3.7L V6 / KJ
Stock Output 210 hp / 235 lb-ft
Replaces OEM Part # 16118, 16119

Compatibility

  • 2002 Jeep Liberty Sport 3.7L V6 (KJ Chassis)
  • 2002 Jeep Liberty Limited 3.7L V6 (KJ Chassis)
  • 2003 Jeep Liberty Sport 3.7L V6 (KJ Chassis)
  • 2003 Jeep Liberty Limited 3.7L V6 (KJ Chassis)
  • 2003 Jeep Liberty Renegade 3.7L V6 (KJ Chassis)

Frequently Asked Questions

Does this fit the KJ Liberty?

Yes, this is a direct fit for the 2002-2003 Jeep Liberty equipped with the PowerTech 3.7L V6 engine.

Is this catalytic converter assembly legal in all 50 states?

This direct-fit assembly is 46-state EPA compliant and cannot be sold, shipped, or operated in California, New York, Colorado, or Maine.

The Jeep Durability Standard

Engineered to handle severe trail washboards, sustained rocky climbs, and heavy utility towing, this stainless steel catalytic converter assembly delivers dependable structural integrity and leak-free performance under tough off-road conditions.




Mueble

Hacer

Jeep

Tamaño del motor

  • 3.7L

Año

  • 2002
  • 2003

Garantía

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

Catalytic Converter for Jeep Liberty (2002-2003) 3.7L Front Left & Right

$116.95