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Oldsmobile 7843451 Ignition Switch

1982-1993 Oldsmobile

Customer Questions & Expert Answers (3)
7843451 GM Ignition Switch Illustration 1 of 1
  • Part Description
    Switch, Ignition Switch
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number7843451
    Part DescriptionIgnition Switch; Switch, Ignition Switch
    Item Dimensions7.2 x 4.5 x 4.6 inches
    Item Weight0.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU7843451
    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
    1987-1990 Oldsmobile 986 Cyl 3.8LREGENCY 4 DOOR, REGENCY BROUGH 2 DOOR, REGENCY BROUGH 4 DOOR, REGENCY BROUGHAM, TOURING SEDAN
    1993, 1991 Oldsmobile Bravada6 Cyl 4.3LBRAVADA
    1985-1991 Oldsmobile Calais4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 3.3L2 DOOR, 4 DOOR, INTERNATIONAL 2 DOOR, INTERNATIONAL 4 DOOR, S 2 DOOR, S 4 DOOR, SL 2 DOOR, SL 4 DOOR, SUPREME 2 DOOR, SUPREME 4 DOOR
    1982-1990 Oldsmobile Cutlass4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.1L, 6 Cyl 3.3L, 6 Cyl 3.8L, 6 Cyl 4.3L Diesel, 8 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L Diesel2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 4 DOOR, BROUGHAM SL 2 DOOR, BROUGHAM STATION WAGON, CUTLASS CALAIS, CUTLASS CRUISER, LS 2 DOOR, LS 2 DOOR NOTCHBACK, LS 4 DOOR, LS STATION WAGON, S 2 DOOR, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION WAGON
    1986-1990 Oldsmobile Delta 886 Cyl 3.0L, 6 Cyl 3.8L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, ROYALE 2 DOOR, ROYALE 4 DOOR, ROYALE BROUGHAM 2 DOOR, ROYALE BROUGHAM 4 DOOR
    1984-1988 Oldsmobile Firenza4 Cyl 1.8L, 4 Cyl 2.0L, 6 Cyl 2.8L2 DOOR, 2 DOOR NOTCHBACK, 2 DOOR PLAIN BACK HATCHBACK, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 2 DOOR NOTCHBACK, BROUGHAM 2 DOOR PLAIN BACK, BROUGHAM 4 DOOR, BROUGHAM STATION WAGON, STATION WAGON
    1984 Oldsmobile Omega4 Cyl 2.5L, 6 Cyl 2.8L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR
    1986-1989 Oldsmobile Toronado6 Cyl 3.8LBROUGHAM, TORONADO
  • Customer Questions & Expert Answers

    Q:
    Will this part number fit my car?
    A:
    You can Select Your Vehicle to check if 7843451 fits your vehicle.
    Posted and answered by GM Parts Specialist Syed
    Q:
    In what position should the Ignition Switch be set before removal for the 1984 Buick Century? Posted by Zheer J.
    A:
    The switch should be placed in the OFF, unlocked position, which is two detents from the top, while the rod is in the lock position next to the uppermost detent. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Oct 01, 2025
    Q:
    How can the Ignition Switch be removed in the 1985 Oldsmobile Cutlass? Posted by Tayla M.
    A:
    The ignition switch can be removed by unscrewing two screws after setting it to the 'LOCK' position. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Dec 07, 2023

Genuine GM Part 7843451, the Right Choice

To ensure reliability, purchase GM part # 7843451 Ignition Switch. It is sometimes referred to as Oldsmobile Ignition Switch. 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 Oldsmobile 98, Bravada, Cutlass models.

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