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Pontiac 19305821 Plug Ignition

1987-2008 Pontiac

Customer Questions & Expert Answers (3)
19305821 GM Plug Ignition Illustration 1 of 1
  • Part Description
    Plug Assembly
  • Replaces
    19238465, 19250972, 88901006
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number19305821
    Part DescriptionPlug Ignition; Plug Assembly
    Item Dimensions4.8 x 3.9 x 1.3 inches
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces19238465, 19250972, 88901006
    ManufacturerGeneral Motors
    SKU19305821
    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
    1987 Pontiac Firebird8 Cyl 5.7L2 DOOR
    1994, 1988-1990 Pontiac Grand Am4 Cyl 2.3L2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR
    1990 Pontiac Grand Prix4 Cyl 2.3L2 DOOR, 4 DOOR
    2003-2008 Pontiac Vibe4 Cyl 1.8LALL PURPOSE 4 DOOR
  • 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 19305821 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done before installing new Spark Plugs for the 1993 Chevrolet Beretta? Posted by Verified Customer
    A:
    Before installing new spark plugs, purchase the correct plug type for your engine and adjust the gaps as necessary. Check the new plugs for defects and adjust the gaps using a wire type gauge. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Dec 16, 2025
    Q:
    What tools are needed for Spark Plug replacement for the 1990 Pontiac Grand Prix? Posted by Verified Customer
    A:
    A variety of tools are needed, including a spark plug socket, extensions, gap gauge, and plug wire removal tool. For 3800 V6 engines, a special tool is required to remove spark plug heat shields. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Oct 02, 2023

Genuine GM Part 19305821, the Right Choice

To ensure reliability, purchase GM part # 19305821 Plug Ignition. It is sometimes referred to as Pontiac Spark Plug. 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 Pontiac Grand Am, Grand Prix, Vibe models.

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