Make sure this part fits

GM 3040674 Fan Control Switch

1982-1988 GM

Customer Questions & Expert Answers (3)
3040674 GM Fan Control Switch Product Photo 1 of 1
  • Part Description
    SWITCH, Engine Air Cooling(Electrical)
  • 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 Number3040674
    Part DescriptionSWITCH, Engine Air Cooling(Electrical)
    Other NamesFan Switch, Switch
    Item Dimensions3.2 x 1.6 x 1.6 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU3040674
    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
    1982-1988 Buick Century4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L, 6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1985-1988 Buick Electra6 Cyl 3.0L, 6 Cyl 3.8L2 DOOR, 4 DOOR, COUPE 2 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR, SEDAN 4 DOOR, T-TYPE COUPE 2 DOOR, T-TYPE SEDAN 4 DOOR
    1986 Buick Lesabre6 Cyl 3.0L, 6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
    1986 Buick Riviera6 Cyl 3.8LRIVIERA, T TYPE
    1982-1986 Buick Skyhawk4 Cyl 1.8L, 4 Cyl 2.0L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 2 DOOR NOTCHBACK, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, LIMITED WAGON, SPORT 2 DOOR, STATION WAGON, T-TYPE 2 DOOR
    1982-1988 Buick Skylark4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 3.0L2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, SKYLARK, SOMERSET, T-TYPE
    1985-1987 Buick Somerset4 Cyl 2.5L, 6 Cyl 3.0L2 DOOR, CUSTOM, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR, REGAL, REGAL LIMITED, SOMERSET, T-TYPE
    1982-1986 Cadillac Cimarron4 Cyl 1.8L, 4 Cyl 2.0LCIMARRON
    1983-1986 Chevrolet Cadet4 Cyl 2.0L2 DOOR, 2 DOOR HATCHBACK, 2 DOOR NOTCHBACK, 4 DOOR, CONVERTIBLE, CS 2 DOOR HATCHBACK, CS 4 DOOR, CS STATION WAGON, RS 2 DOOR HATCHBACK, RS 2 DOOR NOTCHBACK, RS 4 DOOR, RS CONVERTIBLE, RS STATION WAGON, STATION WAGON, Z24 2 DOOR NOTCHBACK, Z24 2 DOOR PLAINBACK HATCHBACK
    1985-1988 Chevrolet Camaro8 Cyl 5.0L2 DOOR
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  • Customer Questions & Expert Answers

    Q:
    Is it correct part number for my vehicle?
    A:
    You can Select Your Vehicle to check if 3040674 fits your vehicle.
    Posted and answered by GM Parts Specialist Ed
    Q:
    What should happen when the ignition switch is turned on and the starter motor is turning for the 1985 Buick Skylark, particularly in relation to the Coolant Temperature Sensor? Posted by Robbie S.
    A:
    When the ignition switch is turned on and the starter motor is turning, the indicator lamp should be illuminated, indicating an overheated engine. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Feb 17, 2025
    Q:
    What can happen if the Park/Neutral switch is disconnected while driving for the 1984 Pontiac Fiero, especially in relation to the Coolant Temperature Sensor? Posted by Malinda D.
    A:
    Driving with this switch disconnected can lead to idle quality issues and false codes. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Aug 05, 2023

Genuine GM Part 3040674, the Right Choice

To ensure reliability, purchase GM part # 3040674 Fan Control Switch. It is sometimes referred to as GM Coolant Temperature Sensor. 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, Electra, Lesabre models. It fits Cadillac Cimarron. It also fits Chevrolet Camaro, Cavalier, Citation. This also fits Pontiac 6000, Fiero, Grand Am.

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