HomeExhaust > Catalytic ConverterEastern Convertors 50423 Catalytic Converter - Left
Part #: 50423

Eastern Convertors 50423 Catalytic Converter - Left

DIRECT FIT, Left
⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦DIRECT FIT, Left
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
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Overview of Eastern Convertors DIRECT FIT Catalytic Converter 50423

The Eastern Convertors DIRECT FIT Catalytic Converter 50423 is designed specifically for Chevrolet and GMC heavy-duty trucks. Engineered to meet Federal and EPA standards, this direct-fit catalytic converter ensures proper emission control for your Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 models.

  • Catalyst Type: Eco II for efficient emission reduction
  • Clamp Quantity: 2 clamps included for secure installation
  • Inlet Gasket Quantity: 1 gasket included
  • Inlet Type: 3 bolt welded connection
  • O2 Sensor Ports: 2 ports for accurate sensor placement
  • Outlet Type: 3-inch outside diameter pipe
  • Overall Length: 56 inches
  • Federal / EPA direct-fit undercarriage design

About the DIRECT FIT Product Line

The DIRECT FIT line from Eastern Convertors focuses on providing catalytic converters that match OEM specifications for a precise fit and function. This product line is tailored to simplify replacement by offering direct-fit components that align with factory mounting points and sensor locations, reducing installation time and ensuring compliance with emission regulations.

Detailed Product Description

This catalytic converter, part number 50423, is engineered with an Eco II catalyst to effectively reduce harmful emissions while maintaining exhaust flow. The 3 bolt welded inlet and 3-inch outlet pipe are designed to match the original exhaust system configuration on Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 trucks. With two O2 sensor ports, it supports accurate monitoring of exhaust gases, which is critical for engine management and emission control systems. The overall length of 56 inches accommodates the undercarriage layout of these heavy-duty models, ensuring a seamless fit without modifications.

Common Applications and Problem Solving

  • Replacement for damaged or clogged catalytic converters on Chevrolet Silverado 2500 HD and 3500 models
  • Restores proper emission control to meet Federal and EPA standards
  • Addresses check engine light issues related to faulty catalytic converters
  • Improves exhaust flow and reduces harmful emissions in GMC Sierra 2500 HD and 3500 trucks
  • Supports O2 sensor functionality for accurate engine performance monitoring

Installation Notes and Tips

This catalytic converter is designed for direct-fit installation on compatible Chevrolet and GMC heavy-duty trucks. It includes two clamps and one inlet gasket to assist with secure mounting. The 3 bolt welded inlet requires alignment with the existing exhaust flange. Ensure both O2 sensor ports are properly connected to maintain engine diagnostics and emission control. No additional outlet hardware or gaskets are included, so verify compatibility with your vehicle’s exhaust system before installation.

Quality Assurance and Warranty

Eastern Convertors manufactures this catalytic converter to meet Federal and EPA emission standards, ensuring regulatory compliance. The DIRECT FIT product line is built to OEM specifications for durability and performance. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.

BrandEastern Convertors
Part Number50423
PositionDIRECT FIT, Left
Catalyst TypeEco ii
Clamp Qty2
Inlet Gasket Qty1
Inlet HardwareNone
Inlet Type A3 bolt welded
O2 Sensor Ports2
Outlet Gasket QtyNone
Outlet HardwareNone
Outlet Type A3" od
Overall Length (IN)56
TypeFederal / epa direct-fit undercar

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ChevroletSilverado 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2006ChevroletSilverado 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2006ChevroletSilverado 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2006GMCSierra 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2006GMCSierra 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2006GMCSierra 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005ChevroletSilverado 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005ChevroletSilverado 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005ChevroletSilverado 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005GMCSierra 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005GMCSierra 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2005GMCSierra 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004ChevroletSilverado 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004ChevroletSilverado 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004ChevroletSilverado 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004GMCSierra 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004GMCSierra 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2004GMCSierra 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003ChevroletSilverado 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003ChevroletSilverado 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003ChevroletSilverado 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003GMCSierra 2500 HD6.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003GMCSierra 35008.1LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT
2003GMCSierra 35006.0LV8LeftCalifornia Emissions; Undercar; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions); DIRECT FIT

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.