We Specialize in Finding Those Hard to Find and Backordered GM Parts! Just Place Your Order and Let Our Professional Parts Team go to Work For You!

Genuine OEM GM Catalytic Converters

55499758 - : Exhaust Temperature Sensor for GM Image

Exhaust Temperature Sensor

2.8L turbo diesel, egr valve & related components, catalytic converter, lower. Helps provide accurate temperature detection Heat and...
$50.31
MSRP $83.88
Save $33.57
40% Off
12731716 - : Temp Sensor for GM Image

Temp Sensor

Exhaust. Silverado, Sierra 2500 HD. At catalytic converter. Front. 6.6L diesel, at manifold. Silverado, Sierra 3500 HD. 6.6L diesel,...
Discontinued
55495855 - : Exhaust Temperature Sensor for GM Image

Exhaust Temperature Sensor

2017-20, egr valve & related components, catalytic converter, upper. Express, savana. 2.8l diesel. Position #1. Canyon, Colorado. 2.8l...
$51.29
MSRP $85.52
Save $34.23
40% Off
55495856 - : Position 2 Exhaust Temperature Sensor for GM Image

Position 2 Exhaust Temperature Sensor

2017-20, egr valve & related components, catalytic converter, lower. Express, savana. 2.8l diesel. Position #2. Canyon, Colorado. 2.8l...
$61.67
MSRP $102.82
Save $41.15
40% Off
84964739 - : Exhaust Muffler Kit for GM Image

Exhaust Muffler Kit

Enhance the performance with this Exhaust Upgrade Kit. This kit reduces restrictions in the exhaust pipes and expands the diameter...
$2,046.83
MSRP $2,395.00
Save $348.17
14.5% Off
19355308 - : Heated Oxygen Sensor for GM Image

Heated Oxygen Sensor

Left. To converter. 5.7L, 1998-02. 4.6L, catalytic converter. All models. 4.6l. Pre & post converter. At converter. Seville. Detects...
$89.04
MSRP $148.46
Save $59.42
40% Off
23424564 - : Exhaust Muffler Assembly for GM Image

Exhaust Muffler Assembly

Silverado, sierra. 6.0l. Regular cab. With catalytic converter. Has the necessary components to service your vehicle's exhaust muffler...
$3,496.19
MSRP $5,138.26
Save $1,642.07
32% Off
25811686 - : Exhaust Muffler Assembly with Pipe, Flange, Reinforcements, Hangers, and Labels for GM Image

Exhaust Muffler Assembly with Pipe, Flange, Reinforcements, Hangers, and Labels

Silverado, sierra. 6.0l. Without catalytic converter. 6.0L, regular cab, 8 ft box. 6.0L, std cab, 8 ft box. Suburban 3500hd. Has the...
$1,083.10
MSRP $1,564.12
Save $481.02
30.8% Off
84175356 - : Exterior Emblem, Illuminated, Black for GM Image

Exterior Emblem, Illuminated, Black

Give your vehicle a throaty purr with a Chevrolet Accessories Exhaust System Kit. This kit reduces restrictions in the exhaust pipes and...
Discontinued
84964743 - : Exhaust Muffler Kit for GM Image

Exhaust Muffler Kit

Give your vehicle a throaty purr with a GMC Accessories Exhaust System Kit. The kit includes an exhaust pipe, tail pipe, and 3-way...
$2,046.83
MSRP $2,395.00
Save $348.17
14.5% Off
84964740 - : Exhaust Muffler Kit for GM Image

Exhaust Muffler Kit

Give your vehicle a throaty purr with a GMC Accessories Exhaust System Kit. The kit includes an exhaust pipe, tail pipe, and 3-way...
$2,046.83
MSRP $2,395.00
Save $348.17
14.5% Off
55494514 - : Heat Shield for GM Image

Heat Shield

2021-26, catalytic cnvrtr. Envision. Catalytic converter. Upper. 2.0L, catalytic cnvrtr. 2.0L, outer.
$14.91
MSRP $20.05
Save $5.14
25.6% Off

No results found for "catalytic converter". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


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.