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Chevrolet 12507784 Engine Coolant Pump Kit

1985-1986 Chevrolet

Customer Questions & Expert Answers (3)
12507784 GM Engine Coolant Pump Kit Illustration 1 of 1
  • Part Description
    Pump Kit,Water ; Pump Kit, Engine Coolant
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12507784
    Part DescriptionPump Kit,Water ; Pump Kit, Engine Coolant
    Other NamesWater Pump, Water Pump Assembly
    Item Dimensions10.6 x 5.5 x 5.5 inches
    Item Weight7.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12507784
    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
    1985-1986 Chevrolet Astro4 Cyl 2.5LVAN ASTRO
    1985-1986 Chevrolet Camaro4 Cyl 2.5L2 DOOR
    1985-1986 Chevrolet S104 Cyl 2.5L2 DOOR, PICKUP
  • 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 12507784 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How can you check the operation of the Water Pump while it's installed on the engine of the 1986 Chevrolet Astro? Posted by Ruel T.
    A:
    There are three ways to check it. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Mar 26, 2025
    Q:
    How do you start the process of removing the Water Pump of the 1985 Chevrolet Astro? Posted by Vianes V.
    A:
    Start by disconnecting the cable from the negative terminal of the battery. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Mar 11, 2026

Genuine GM Part 12507784, the Right Choice

To ensure reliability, purchase GM part # 12507784 Engine Coolant Pump Kit. It is sometimes referred to as Chevrolet Water Pump. 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 Chevrolet Astro, Camaro, S10 models.

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