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GM 25056230 Catalytic Convertor

1982-1985 GM

Customer Questions & Expert Answers (4)
GM 25056230 Catalytic Convertor
  • Part Description
    Converter Asm ; Converter, Catalytic Converter
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number25056230
    Part DescriptionConverter Asm ; Converter, Catalytic Converter
    Other NamesCatalytic Converter, Converter
    Item Weight18.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25056230
    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
    1982-1985 Buick Century4 Cyl 2.5LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1982-1985 Buick Skylark4 Cyl 2.5L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
    1982-1985 Chevrolet Celebrity4 Cyl 2.5L2 DOOR, 4 DOOR, STATION WAGON
    1982-1985 Chevrolet Citation4 Cyl 2.5L2 DOOR, 2 DOOR NOTCHBACK, 2 DOOR PLAINBACK HATCHBACK, 4 DOOR
    1982-1985 Oldsmobile Cutlass4 Cyl 2.5L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, LS 2 DOOR, LS 4 DOOR, LS STATION WAGON
    1982-1984 Oldsmobile Omega4 Cyl 2.5L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR
    1982-1985 Pontiac 60004 Cyl 2.5L2 DOOR, 4 DOOR, LE 2 DOOR, LE 4 DOOR, LE STATION WAGON, STATION WAGON, STE 2 DOOR, STE 4 DOOR
    1982-1984 Pontiac Phoenix4 Cyl 2.5L2 DOOR, 4 DOOR, LJ 2 DOOR, LJ 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 25056230 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What is the purpose and maintenance requirements of a catalytic converter? Posted by Customer
    A:
    Situated below the vehicle in the exhaust system, a catalytic converter is a muffler-like unit. It aims to minimize the release of hydrocarbon (HC) and carbon monoxide (CO) pollutants into the atmosphere. A 49 States and High Altitude model X-Bodies utilize this kind of converter which has small beads that are coated with platinum and palladium. These beads facilitate chemical reactions that convert CO to CO2 and HC to CO2 and H20. The Phase II Monolith converter is used in California version X-Bodies, which have an internal design like honeycomb coated with platinum as well as rhodium in addition to platinum. This catalyst also helps reduce oxides of nitrogen in addition to HC and CO. Keeping it working effectively requires using only unleaded fuel. Periodic maintenance isn't necessary but the life span of this converter is limited hence must be replaced after every 30,000 miles approximately. When the useful life of the catalyst has been depleted, a 'catalyst' reminder light appears on the speedometer. If for any reason a bead-type converter becomes useless, replace it with a new one or drain off and replace beads inside it. The Monolith converter cannot have its catalyst replaced separately. If a bead-type converter's bottom gets damaged, it can be replaced without removing the entire thing. Note that the converter operates at very high temperatures so care must be taken when working near or on it so as not to get burnt.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the parts used to heat shield the converter for the 1976 Buick Century? Posted by Customer
    A:
    Retain all parts and reinstall them.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    Q:
    Can a bead-type converter be repaired if it becomes ineffective for the 1983 Pontiac Phoenix? Posted by Customer
    A:
    Yes, if a bead-type converter becomes ineffective, it can be replaced with a new one, or the beads can be drained and replaced.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Catalytic Converter
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 25056230, the Right Choice

To ensure reliability, purchase GM part # 25056230 Catalytic Convertor. It is sometimes referred to as GM Catalytic Converter. 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 Buick Century, Skylark models. It fits Chevrolet Celebrity, Citation. It also fits Oldsmobile Cutlass, Omega. This also fits Pontiac 6000, Phoenix.

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