Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×

Genuine GM 20854456
3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

Customer Questions & Answers (1)
GM 20854456 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
  • Part Description Converter Asm-3Way Catalytic (W/ Exhaust Manifold P
  • Replaces 15948629
  • Brand GM
  • Manufacturer's Notes This part is discontinued.

Vehicle Specific

Check if it fits by entering your vehicle info
Select Your Vehicle

Why Choose AutoPartsPrime

  • Dedicated Service

    We have experienced professionals here to help you via phone, live chat or email.

  • Unbeatable Prices

    We offer genuine OEM parts at the best possible discounted prices online.

  • Fast Delivery

    Your orders are processed efficiently and delivered as promptly as possible.

  • Product Specifications

    BrandGenuine General Motors
    Manufacturer Part Number20854456
    Part DescriptionConverter Asm-3Way Catalytic (W/ Exhaust Manifold P
    Other Description3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    Other NamesConverter & Pipe
    Item Dimensions52.1 x 31.6 x 16.7 inches
    Item Weight36.10 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15948629
    ManufacturerGenuine General Motors
    SKU20854456
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page.
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2009 Hummer H28 Cyl 6.2L FlexPICKUP, SUV

Related Parts for 20854456

Customer Questions & Answers

Q:
I would like to know if 20854456 is for my car.
By Customer
A:
Please Select Your Car first if you want to see if 20854456 is correct.
By Bob
GM Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 20854456 at AutoPartsPrime, Your Right Choice

  • The part number 20854456, 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Hummer H2. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
  • AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.