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Genuine OEM GM Catalytic Converters

25950920 - : 3-Way Catalytic Converter for GM Image

3-Way Catalytic Converter

3.9L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors . Collision...
Discontinued
25820196 - : 3-Way Catalytic Converter for GM Image

3-Way Catalytic Converter

Impala, Monte Carlo. 3.5l. Without flex fuel. 3.5L, califorina. Impala, Monte Carlo. 3.9l. This GM Genuine Part is designed, engineered,...
$2,219.91
MSRP $3,246.90
Save $1,026.99
31.6% Off
12687885 - : Catalytic Converter Gasket for GM Image

Catalytic Converter Gasket

2.7L turbo. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.25
MSRP $17.07
Save $4.82
28.2% Off
55569496 - : Catalytic Converter Seal for GM Image

Catalytic Converter Seal

$8.60
MSRP $11.37
Save $2.77
24.4% Off
55497262 - : Catalytic Converter Brace for GM Image

Catalytic Converter Brace

2019 This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$17.39
MSRP $23.39
Save $6.00
25.7% Off
12653033 - : Catalytic Converter Brace for GM Image

Catalytic Converter Brace

2.5L, #1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$9.04
MSRP $11.96
Save $2.92
24.4% Off
55503171 - : Catalytic Converter Clamp for GM Image

Catalytic Converter Clamp

Helps provide a tight seal for your vehicle's catalytic converter and exhaust pipe connection This GM Genuine Part is designed,...
$11.25
MSRP $14.88
Save $3.63
24.4% Off
11570494 - : Catalytic Converter Stud for GM Image

Catalytic Converter Stud

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$19.70
MSRP $26.48
Save $6.78
25.6% Off
12653070 - : Brace-Ctltc Conv for GM Image

Brace-Ctltc Conv

Sedan, 2.0L turbo. Sedan, 2.5L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$30.17
MSRP $41.23
Save $11.06
26.8% Off
11602406 - : Catalytic Converter Clamp for GM Image

Catalytic Converter Clamp

1.3L turbo, front section, awd. 1.3L turbo, front section, fwd.
$14.64
MSRP $19.67
Save $5.03
25.6% Off
55500810 - : Catalytic Converter Brace for GM Image

Catalytic Converter Brace

2.0L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$32.01
MSRP $43.75
Save $11.74
26.8% Off
55597347 - : Catalytic Converter Gasket for GM Image

Catalytic Converter Gasket

2.8L. 2.8 turbo diesel front section. lower. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$9.40
MSRP $12.44
Save $3.04
24.4% 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.