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GM 19420127
Catalytic Converter, Driver Side

2003-2007 GM

Customer Questions & Expert Answers (16)
GM 19420127 Catalytic Converter, Driver Side
  • Part Description
    Converter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe
  • Position
    Driver Side
  • Replaces
    15199817
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number19420127
    Part DescriptionConverter Assembly, 3Way Catalytic (W/Exhaust Manifold Pipe) "Kit"; Exhaust Pipe
    Other NamesFront Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
    PositionDriver Side
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15199817
    ManufacturerGeneral Motors
    SKU19420127
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2005 Cadillac EscaladeBase8 Cyl 6.0 L GAS
    2003-2005 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2003-2005 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2003-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2003-2005 Chevrolet Silverado 1500LS, LT, SS8 Cyl 6.0 L GAS
    2005, 2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2003-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 6.0 L GAS
    2003-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    2003-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 19420127 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 19420127 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What comes after raising the transmission for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Remove the transmission support crossmember bolts and the crossmember itself, followed by the exhaust muffler.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    How should the new exhaust manifold pipe seal be installed for the 2004 Cadillac Escalade EXT? Posted by Customer
    A:
    Place a new exhaust manifold pipe seal onto the exhaust manifold pipe and install the pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after reinstalling the transmission support crossmember for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Tighten its bolts to 95 Nm (70 ft. lbs.), lower the transmission onto the support, and install the transmission mount to transmission support nuts, tightening to 40 Nm (30 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    How should the new exhaust pipe be positioned during installation for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Position the exhaust pipe with a NEW gasket to the turbocharger, ensuring the tab on the gasket faces inward, and loosely install the bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    How should the exhaust manifold pipe be aligned and tightened for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Ensure the manifold pipe is square to the exhaust pipe adapter, then tighten the exhaust pipe clamp to 40 Nm (30 ft. lbs.) and the muffler nuts to 40 Nm (30 ft. lbs.). For 6.0L or 8.1L engines, install and tighten the exhaust manifold pipe nuts to 50 Nm (39 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the procedure for installing the exhaust manifold pipe for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Slide the hanger into the bracket, install a new exhaust manifold pipe seal again, and then install the exhaust manifold pipe.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the next step after removing the exhaust manifold pipe for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Discard the seal and for installation, if equipped with a 6.6L engine, install the exhaust manifold pipe, applying water-based lubricant to the exhaust pipe hanger bracket to aid installation, and slide the hanger into the bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the first step to replace the catalytic converter on 4.3L, 4.8L, and 5.3L engines for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    First, raise and support the vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What is the next step after installing the oxygen sensors for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    Install the catalytic converter and new exhaust manifold pipe seals, snugging the right and left exhaust manifold pipe nuts before tightening them to 50 Nm (39 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    How do you disconnect the right front heated oxygen sensor (HO2S) for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Disconnect the right front HO2S electrical connector from the engine wiring harness and remove the right front connector position assurance (CPA) retainer.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What additional step is required for a 6.0L engine with RPO Y91 for the 2005 GMC Sierra 3500? Posted by Customer
    A:
    Remove the catalytic converter again and slide the hanger out.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What should be installed to the exhaust manifold before installing the catalytic converter for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Install a NEW exhaust seal.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What should be done after supporting the transmission for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the transmission mount to transmission support nuts, raise the transmission off the support, and take out the transmission support crossmember bolts and the crossmember itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What should be done after installing the exhaust manifold pipe for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Reinstall any necessary exhaust muffler insulators, then raise the transmission slightly with the jack.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What is the next step after removing the oxygen sensor for the 2004 GMC Yukon XL 2500? Posted by Customer
    A:
    Remove the exhaust manifold pipe nuts and lower the transmission slightly with the jack to take out the exhaust manifold pipe, discarding the old exhaust manifold pipe seal.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 19420127, Excellent Performance and Perfect Fitment

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