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Chevrolet 10343504 Catalytic Converter Pipe Assembly

2002-2004 Chevrolet Corvette

Customer Questions & Expert Answers (4)
10343504 GM Catalytic Converter Pipe Assembly Illustration 1 of 1
  • Part Description
    Pipe Assembly, Catalytic Converter
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number10343504
    Part DescriptionPipe Assembly, Catalytic Converter
    Other NamesCatalytic Converter, Converter & Pipe
    Item Dimensions85.6 x 27.4 x 5.7 inches
    Item Weight36.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU10343504
    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 Engine Important vehicle option details
    2002-2004 Chevrolet Corvette8 Cyl 5.7LNOTCHBACK
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 10343504 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you do before beginning the procedure for the Catalytic Converter on the 2003 Chevrolet Corvette? Posted by Lucas U.
    A:
    Wait until the engine has cooled completely. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Aug 07, 2025
    Q:
    Hello, Is this the rear cat. system? What gaskets should I include for installation.Is this abolt in or weld on system? Thanks again Posted by Steve P. / 2004 Chevrolet Corvette
    A:
    its bolt on but the part is discontinued use part# 10276792 x2 and part# 20876240 x2 for the gaskets
    Answered by GM Parts Specialist Ed / Mar 24, 2021
    Q:
    Hello, Is this cat california compliant? How is this confirmed? What additional gaskets,seals are needed for the installation? Posted by Steve P. / 2004 Chevrolet Corvette
    A:
    10343504 PIPE, CTLTC CONV (INCLS CTLTC CONV) (CALIF EMIS LEV (NC1) YES IS COMPLIANT
    Answered by GM Parts Specialist Ed / Mar 23, 2021

Genuine GM Part 10343504, the Right Choice

To ensure reliability, purchase GM part # 10343504 Catalytic Converter Pipe Assembly. It is sometimes referred to as Chevrolet Catalytic Converter, Chevrolet Exhaust Pipe. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Corvette models.

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