For Chevy Silverado 1500 GMC Sierra 4.3L/4.8L/5.3L 1999-2006 Catalytic Converter

$96.49
Brand
AH
Type
Catalytic Converter
Placement on Vehicle
Front
Features
Bolt-on Connection/Clamp-on Connection/Easy to Replace
Manufacturer Part Number
544212
OE Part Number
9063/20370/51097/2010019/50511/19010
Items Included
Seal
Manufacturer Warranty
3 Years
Body Material
Stainless Steel
Substrate Material
Ceramic
Universal Fitment
No
Finish
Stainless Steel
Interchange Part Number
9083/50366/93419/079-5150
Connection Type
2 Bolt/3Bolt Welded Flange
Restricted States
California/New York/Colorado & Maine
Standard
OBD 3 standard
Inlet Type
Dual (3-bolt spinner and 3-bolt welded flange)
Outlet Type
Single (2-bolt welded flange)
Mounting Hardware Included
Yes
Heat Shield Included
None
Fitment Type
Direct Replacement
Color
Silver
Engine
4.3L/4.8L/5.3L
OE/OEM Part Number
9063/20370/51097/2010019/50511/19010
Labels & Certifications
EPA
condition
New

Features​

  • ​Durability Engineered​​: Ceramic substrate resists thermal shock/cracking; stainless steel construction prevents corrosion for extended service life.
  • ​Performance Optimized​​: High-flow design reduces backpressure, improving exhaust velocity (+7-12% HP/torque efficiency).
  • ​EPA Compliance​​: OBD-II certified for 48-state use; illegal in CA, NY, CO, ME.
  • ​Quality Assurance​​: Rigorously tested for high-heat resistance (1,400°F+), low emissions, and noise reduction.
  • ​Warranty Protected​​: 5-year or 50,000-mile limited coverage against defects.

​​Specification​

  • ​Part Numbers​​:
    Primary OE #18010 │ Cross-Compatibles: 50511, 645236, 2010018, 2010019
    (Full list: 9063, 20370, 51097, 50462, 19010, 9444, 9083, 50366, 93419, 079-5150, 645988)
  • ​Structure​​:
    Body Shape: Round │ Body/Tube Material: Stainless Steel
    Substrate: Ceramic │ Placement: Front (Left/Right)
  • ​Connections​​:
    Inlet: Dual (1× 3-bolt welded flange + 1× 3-bolt spinner)
    Outlet: Single 2-bolt welded flange
  • ​Engine Compatibility​​: 4.3L V6, 4.8L V8, 5.3L V8
  • ​Condition​​: 100% New Factory Quality
  • ​Emissions​​: 48-State EPA OBD-II Compliant (Banned in CA, NY, CO, ME)

​​Fitment​

⚠️ ​​Critical Compliance Notice​​:
​ILLEGAL IN RESTRICTED STATES​​ – Prohibited for sale/installation in CA, NY, CO, ME. Federal OBD-II vehicles only (1996+).

​Compatible Models​​:

  • Compatible With Cadillac Models:
    2002-2005 Cadillac Escalade V8 5.3L - EPA Compliant, With Federal Emissions System
      
    Compatible With Chevy Chevrolet Models:
    2002-2005 Chevy Chevrolet Avalanche 1500 V8 5.3L - EPA Compliant, With Federal Emissions System
    1999-2006 Chevy Chevrolet Silverado 1500 V6 4.3L - EPA Compliant, With Federal Emissions System
    1999-2006 Chevy Chevrolet Silverado 1500 V8 4.8L - EPA Compliant, With Federal Emissions System
    1999-2006 Chevy Chevrolet Silverado 1500 V8 5.3L - EPA Compliant, With Federal Emissions System
    2007-2007 Chevy Chevrolet Silverado 1500 Classic V6 4.3L - EPA Compliant, With Federal Emissions System
    2007-2007 Chevy Chevrolet Silverado 1500 Classic V8 4.8L - EPA Compliant, With Federal Emissions System
    2007-2007 Chevy Chevrolet Silverado 1500 Classic V8 5.3L - EPA Compliant, With Federal Emissions System
    1999-2000 Chevy Chevrolet Silverado 2500 V8 5.3L - EPA Compliant, With Federal Emissions System
    2000-2006 Chevy Chevrolet Suburban 1500 V8 5.3L - EPA Compliant, With Federal Emissions System
    2000-2006 Chevy Chevrolet Tahoe V8 4.8L - EPA Compliant, With Federal Emissions System
    2000-2006 Chevy Chevrolet Tahoe V8 5.3L - EPA Compliant, With Federal Emissions System
      
    Compatible With GMC Models:
    1999-2006 GMC Sierra 1500 V6 4.3L - EPA Compliant, With Federal Emissions System
    1999-2006 GMC Sierra 1500 V8 4.8L - EPA Compliant, With Federal Emissions System
    1999-2006 GMC Sierra 1500 V8 5.3L - EPA Compliant, With Federal Emissions System
    2007-2007 GMC Sierra 1500 Classic V6 4.3L - EPA Compliant, With Federal Emissions System
    2007-2007 GMC Sierra 1500 Classic V8 4.8L - EPA Compliant, With Federal Emissions System
    2007-2007 GMC Sierra 1500 Classic V8 5.3L - EPA Compliant, With Federal Emissions System
    1999-2000 GMC Sierra 2500 V8 5.3L - EPA Compliant, With Federal Emissions System
    2000-2006 GMC Yukon V8 4.8L - EPA Compliant, With Federal Emissions System
    2000-2006 GMC Yukon V8 5.3L - EPA Compliant, With Federal Emissions System
    2000-2006 GMC Yukon Xl 1500 V8 5.3L - EPA Compliant, With Federal Emissions System

​​Package Includes​

  • 1× Catalytic Converter Assembly
  • Complete Mounting Hardware Kit
 
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