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Hummer 12579273 Oil Pan

2003-2006 Hummer H2

Customer Questions & Expert Answers (4)
12579273 GM Oil Pan Illustration 1 of 1
  • Part Description
    Pan, Engine Oil
  • Replaces
    12573695, 12560393
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
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  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number12579273
    Part DescriptionOil Pan; Pan, Engine Oil
    Item Dimensions28.3 x 18.9 x 18.2 inches
    Item Weight22.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12573695, 12560393
    ManufacturerGeneral Motors
    SKU12579273
    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
    2003-2006 Hummer H28 Cyl 6.0LH2 HUMMER, PICKUP, SUV
  • 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 12579273 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done regarding the Oil Pan nut and transmission oil cooler lines for the 2006 Chevrolet Express? Posted by Gladys B.
    A:
    Remove the oil pan nut and the bracket retaining the transmission oil cooler lines. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Jul 28, 2025
    Q:
    What should be done if the clearance for the Oil Pan is not acceptable for the 2003 Chevrolet Express? Posted by Dwaine G.
    A:
    If not acceptable, install the two lower oil pan-to-bellhousing bolts and tighten them finger-tight to draw the oil pan flush with the bellhousing. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Oct 18, 2024
    Q:
    Does this part come with the oil pan gasket, oil bypass cover and bypass cover gasket? Posted by Brian O. / 2006 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (2WD)
    A:
    12579273 PAN, OIL (INCLS BAFFLE,INSERT,PLUG,SEAL,SWITCH,COVER,GASKET,FITTING,BOLT)
    Answered by GM Parts Specialist Raul / May 25, 2023

Genuine GM Part 12579273, the Right Choice

To ensure reliability, purchase GM part # 12579273 Oil Pan. It is sometimes referred to as Hummer Oil Pan. 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 Hummer H2 models.

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