Make sure this part fits

GM 15921945
Catalytic Converter

2006-2008 Buick Lucerne

Customer Questions & Expert Answers (7)
GM 15921945 Catalytic Converter
  • Part Description
    Converter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe
  • Replaces
    15786790, 19332465
  • 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 Number15921945
    Part DescriptionConverter Assembly-3Way Catalytic (W/Exhaust Manifold P; Exhaust Pipe
    Other NamesConverter & Pipe; Converter, Catalytic Converter; Converter, Exhaust Pipe
    Item Dimensions25.1 x 20.6 x 7.8 inches
    Item Weight12.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15786790, 19332465
    ManufacturerGeneral Motors
    SKU15921945
    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
    2006-2008 Buick LucerneCX, CXL6 Cyl 3.8 L GAS
  • Customer Questions & Expert Answers

    Q:
    Is this 15921945 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 15921945 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done with the nuts securing the catalytic converter for the 2007 Buick Lucerne? Posted by Customer
    A:
    Install the nuts securing the catalytic converter to the exhaust manifold pipe without tightening them.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What components need to be removed along with the catalytic converter for the 2008 Buick Lucerne? Posted by Customer
    A:
    The catalytic converter pipe stud nuts and the catalytic converter pipe gasket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What should be done after removing the HO2S for the 2006 Buick Lucerne? Posted by Customer
    A:
    Remove the muffler to catalytic converter nuts and position the exhaust system rearward to clear the studs in the catalytic converter.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    What is the final step if it is equipped with an AIR feed tube for the 2007 Buick Lucerne? Posted by Customer
    A:
    Reinstall the AIR feed tube, then put back the air cleaner outlet duct and the intake manifold cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be detached next for the 2008 Buick Lucerne? Posted by Customer
    A:
    Detach the exhaust crossover pipe bolts and studs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Pipe
    Q:
    What should be done after placing the new exhaust crossover pipe seal for the 2006 Buick Lucerne? Posted by Customer
    A:
    Install the exhaust crossover pipe.
    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 15921945, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 15921945 Catalytic Converter. It is sometimes referred to as GM Catalytic Converter, GM Exhaust Pipe. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

ChevyPartsGiant.com is a leading supplier of genuine GM parts such as GM 15921945 Catalytic Converter. Our website boasts an extensive inventory of OEM GM parts, available at highly competitive prices in the market. Should you require any new genuine GM parts, rest assured we will deliver them swiftly and efficiently to your doorstep. Furthermore, all our parts come with the assurance of a manufacturer's warranty. For detailed Buick parts information, click here.
Choose ChevyPartsGiant for discounted prices, exceptional service and fast delivery