Make sure this part fits

Buick 25003646 Fuel Tank Meter/Pump Sender

1982-1985 Buick

Customer Questions & Expert Answers (3)
25003646 GM Fuel Tank Meter/Pump Sender Illustration 1 of 1
  • Part Description
    Sender,Fuel
  • Replaces
    25090484
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number25003646
    Part DescriptionSender,Fuel
    Other NamesFuel Gauge Sending Unit, Gauge, Sending Unit
    Item Dimensions13.2 x 11.3 x 8.0 inches
    Item Weight2.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces25090484
    ManufacturerGeneral Motors
    SKU25003646
    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 2.5L, 6 Cyl 3.0L, 6 Cyl 3.8LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR
    1982-1985 Buick Skylark4 Cyl 2.5L, 6 Cyl 2.8L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 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.
    A:
    You can Select Your Vehicle to check if 25003646 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What should be done after detaching the fuel pipes and before reattaching the Fuel Pump for the 1984 Oldsmobile Cutlass? Posted by Zenaria J.
    A:
    After detaching the fuel pipes, take out the fuel pump mounting bolts, the pump itself, and the gasket. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Dec 24, 2025
    Q:
    What is the first step in replacing the Fuel Pump on a 1983 Buick Skylark? Posted by Jami L.
    A:
    The first step is to disconnect the battery cable. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Sep 09, 2022

Genuine GM Part 25003646, the Right Choice

To ensure reliability, purchase GM part # 25003646 Fuel Tank Meter/Pump Sender. It is sometimes referred to as Buick Fuel Pump, Buick Fuel Tank Sending Unit. 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.

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