Make sure this part fits

GM 8666603 Switch Assembly

1989-1993 GM

Customer Questions & Expert Answers (1)
8666603 GM Switch Assembly Illustration 1 of 1
  • Part Description
    Switch, Transmission Main Control Valve Body
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number8666603
    Part DescriptionSwitch Assembly; Switch, Transmission Main Control Valve Body
    Item Dimensions1.6 x 1.7 x 0.3 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU8666603
    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
    1989-1993 Buick Century4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.3LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR, SPECIAL STATION WAGON
    1989-1993 Buick Skylark4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 3.3L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR
    1992-1993 Oldsmobile Achieva6 Cyl 3.3LS 2 DOOR, S 4 DOOR, SL 2 DOOR, SL 4 DOOR
    1989-1991 Oldsmobile Calais4 Cyl 2.3L, 4 Cyl 2.5L, 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
    1989-1993 Oldsmobile Cutlass4 Cyl 2.3L, 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.3L2 DOOR, 4 DOOR, S 2 DOOR, S 4 DOOR, S STATION WAGON, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION WAGON
    1992-1993 Pontiac Grand Am6 Cyl 3.3LGT 2 DOOR, GT 4 DOOR, SE 2 DOOR, SE 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 8666603 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul

Genuine GM Part 8666603, the Right Choice

To ensure reliability, purchase GM part # 8666603 Switch Assembly. 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 Oldsmobile Achieva, Calais, Cutlass. It also fits Pontiac Grand Am.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 8666603 Switch Assembly. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Buick parts information, click here.
Find low prices on genuine OE parts from GM dealerships with fast delivery and dedicated service at GMPartsGiant.com.