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Genuine OEM GM Catalytic Converters

23355682 - : Driver Side Warm Up Three-Way Catalytic Converter for GM Image

Driver Side Warm Up Three-Way Catalytic Converter

Without vsport. ATS. 3.6l. Left. California. Pzev (code nu6). CTS. Without v-series. Awd. With pzev. This GM Genuine Part is designed,...
$1,353.84
MSRP $1,980.17
Save $626.33
31.6% Off
23188130 - : Passenger Side Warm Up Three-Way Catalytic Converter for GM Image

Passenger Side Warm Up Three-Way Catalytic Converter

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1,453.73
MSRP $2,126.27
Save $672.54
31.6% Off
19418950 - : Exhaust Manifold Kit with Three-Way Catalytic Converter for GM Image

Exhaust Manifold Kit with Three-Way Catalytic Converter

Canyon, Colorado. 3.7l. Hummer H3. 3.7l. 3.5 & 3.7L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$1,850.94
MSRP $2,707.23
Save $856.29
31.6% Off
84174872 - : Driver Side Warm Up Three-Way Catalytic Converter for GM Image

Driver Side Warm Up Three-Way Catalytic Converter

CTS. 3.6l. Without vsport. ATS. 3.6l. Left. Federal. Without v-series. Awd. All. This GM Genuine Part is designed, engineered, and...
$944.31
MSRP $1,369.16
Save $424.85
31% Off
12668174 - : Passenger Side 3-Way Catalytic Converter with Bushing for GM Image

Passenger Side 3-Way Catalytic Converter with Bushing

ATS. 3.6l. With v-series. Right. Sedan, 3.6L twin-turbo. Sedan, 3.6L, without awd, all. Coupe, 3.6L twin-turbo. This GM Genuine Part is...
$2,207.67
MSRP $3,229.00
Save $1,021.33
31.6% Off
12674560 - : 3-Way Catalytic Converter with Flanges and Studs for GM Image

3-Way Catalytic Converter with Flanges and Studs

Acadia. 2.5l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Collision...
$716.17
MSRP $1,038.37
Save $322.20
31% Off
20894010 - : 3-Way Catalytic Converter with Shield and Flange for GM Image

3-Way Catalytic Converter with Shield and Flange

LaCrosse. 3.6l. Fwd. Right. Front. California. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Backordered
22674111 - : 3-Way Catalytic Converter with Gasket and Studs for GM Image

3-Way Catalytic Converter with Gasket and Studs

Malibu, Malibu Maxx. 3.5l. 3.5L, wagon, front. 3.5L, sedan, front. This GM Genuine Part is designed, engineered, and tested to rigorous...
Discontinued
15947647 - : Converter Asm 3Way Ctltc (W/  Exh Rr Mani for GM Image

Converter Asm 3Way Ctltc (W/ Exh Rr Mani

Rear. 3.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Collision...
$1,228.91
MSRP $1,797.43
Save $568.52
31.6% Off
84392383 - : Nitrogen Oxides Catalytic Converter with Exhaust Pipe for GM Image

Nitrogen Oxides Catalytic Converter with Exhaust Pipe

Canyon, Colorado. 2.8l diesel. Lower. 2.8 turbo diesel rear section. This GM Genuine Part is designed, engineered, and tested to...
Backordered
25816005 - : 3-Way Catalytic Converter with Flanges, Bushings, and Coupling for GM Image

3-Way Catalytic Converter with Flanges, Bushings, and Coupling

HHR. 2.0l. 2.0L, manual trans. Cobalt. 2.0l. 2.0L turbocharged. This GM Genuine Part is designed, engineered, and tested to rigorous...
$2,063.41
MSRP $4,881.55
Save $2,818.14
57.7% Off
12673972 - : Passenger Side 3-Way Catalytic Converter with Shield, Flange, Bushings, Studs, and Bolts for GM Image

Passenger Side 3-Way Catalytic Converter with Shield, Flange, Bushings, Studs, and Bolts

CT6. 3.0l. Right. 3.0L twin-turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$1,876.71
MSRP $2,744.93
Save $868.22
31.6% Off

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TL;DR Summary

Catalytic converters help your GM vehicle manage exhaust emissions as part of the factory exhaust system. OEM catalytic converters are built around the correct exhaust routing, sensor placement, and emissions configuration for supported GM vehicles.

Overview

A catalytic converter is not a universal-fit decision for most GM repairs. The right part depends on model year, engine, drivetrain, exhaust layout, and emissions certification. Van Chevrolet GM Parts Center helps shoppers find genuine GM catalytic converters and related exhaust parts that fit the intended application.

What This Category Includes

  • Direct-fit GM catalytic converters
  • Converter and pipe assemblies
  • Related exhaust gaskets, clamps, and hardware when available
  • OEM exhaust components for compatible GM emissions configurations

Why Genuine GM Parts Matter

OEM converter fitment helps preserve exhaust routing, flange alignment, heat shielding, and oxygen sensor placement. That accuracy matters because emissions components can vary by vehicle configuration and certification. For a verified live example, view this GM catalytic converter.

How to Choose the Right Part

Confirm your VIN, engine, drivetrain, and emissions specification before ordering. If your repair is related to a check engine light, make sure the underlying diagnosis is complete before replacing the converter. Related GM oxygen sensors may also be relevant when diagnosis points to sensor performance.

Compatibility / Fitment Guidance

Catalytic converter fitment can differ between federal and California emissions vehicles, engine options, and body configurations. Always verify emissions requirements and fitment notes before installation.

Key Takeaways

  • Catalytic converter selection depends on more than make and model.
  • OEM converters help match exhaust routing and sensor placement.
  • Emissions configuration should be verified before purchase.

FAQ Section

Do catalytic converters fit every trim of the same model?

No. Fitment can change by engine, drivetrain, emissions package, and model year.

Should I replace oxygen sensors with the converter?

Not automatically. Replace oxygen sensors when diagnosis or service condition indicates they are needed.

Why is VIN matching important?

VIN matching helps identify the correct emissions configuration and exhaust layout for your GM vehicle.