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Chevrolet 12644591 Oil Pump

2010-2016 Chevrolet

Customer Questions & Expert Answers (3)
12644591 GM Oil Pump Product Photo 1 of 4
  • Part Description
    Pump, Engine Oil Pump
  • Replaces
    12632219
  • Manufacturer
    General Motors
Make sure this part fits
$178.10 MSRP: $279.47
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12644591
    Part DescriptionOil Pump; Pump, Engine Oil Pump
    Item Dimensions11.2 x 6.7 x 4.6 inches
    Item Weight3.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12632219
    ManufacturerGeneral Motors
    SKU12644591
    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
    2010-2016 Chevrolet Express8 Cyl 6.6L Diesel1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    2011-2016 Chevrolet Silverado8 Cyl 6.6L Diesel2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • 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 12644591 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done after tightening the Oil Pump mounting bolts for the 2010 Chevrolet Express? Posted by Tanya R.
    A:
    Align and install the timing chain cover and the oil pan. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jun 08, 2025
    Q:
    What should be done after the installation of the Oil Pump is complete for the 2010 Chevrolet Express? Posted by Lorvin T.
    A:
    Finally, add oil and coolant as necessary, run the engine, and check for any leaks as well as the oil pressure. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Nov 20, 2022

Genuine GM Part 12644591, the Right Choice

To ensure reliability, purchase GM part # 12644591 Oil Pump. It is sometimes referred to as Chevrolet Oil 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 Express, Silverado models.

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