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Oldsmobile 12555630 Cylinder Head

1996-2001 Oldsmobile Bravada

Customer Questions & Expert Answers (6)
12555630 GM Cylinder Head Illustration 1 of 1
  • Part Description
    Head, Engine Cylinder
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number12555630
    Part DescriptionCylinder Head; Head, Engine Cylinder
    Item Dimensions23.5 x 9.9 x 8.9 inches
    Item Weight34.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12555630
    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
    1996-2001 Oldsmobile Bravada6 Cyl 4.3LBRAVADA
  • 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 12555630 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the next step after removing and storing the valves, components, and Cylinder Head for the 1999 Chevrolet Astro? Posted by Ladonna H.
    A:
    After removing and storing the valves and components, thoroughly clean and inspect the head, completing engine disassembly procedures if a complete overhaul is being performed before starting the cleaning and inspection process. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Jun 04, 2022
    Q:
    What should be done after tightening the Cylinder Head bolts for the 2003 Chevrolet Astro? Posted by Traver R.
    A:
    Finally, complete the remaining installation steps in reverse order, change the oil and filter, run the engine, and check for leaks. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Feb 17, 2023
    Q:
    Is this a bare head with or with out valves Posted by Chad B. / 2004 Light Truck Blazer / Jimmy (4WD)
    A:
    PART NUMBER. 12555630. CYLINDER HEAD. THIS IS A BARE HEAD. FOR 1996-1999. YOU WILL REQUIRE THE FOLLOWING PART NUMBERS. ROCKER ARM WITH STUD. PART NUMBER 12599650. QUANTITY 6. TOGETHER WITH. SUPPORT ROCKER ARM PIVOT. PART NUMBER 12555582. QUANTITY1. PER GM...
    Answered by GM Parts Specialist Jose / Jul 29, 2022
    Q:
    Is the cylinder head complete ready to install on my blazer ?? Posted by Chad B. / 2004 Light Truck Blazer / Jimmy (4WD)
    A:
    12555630 IS A BARE HEAD
    Answered by GM Parts Specialist Matt / Nov 08, 2021
    Q:
    Is this a complete cylinder head or just the bare casting? Part Number: 12555630 Posted by Keith H. / 2003 Light Truck Astro / Safari (AWD)
    A:
    PART NUMBER. 12555630. CYLINDER HEAD. THIS IS A BARE HEAD. FOR 1996-1999. YOU WILL REQUIRE THE FOLLOWING PART NUMBERS. ROCKER ARM WITH STUD. PART NUMBER 12599650. QUANTITY 6. TOGETHER WITH. SUPPORT ROCKER ARM PIVOT. PART NUMBER 12555582. QUANTITY1.
    Answered by GM Parts Specialist Matt / Sep 13, 2021

Genuine GM Part 12555630, the Right Choice

To ensure reliability, purchase GM part # 12555630 Cylinder Head. It is sometimes referred to as Oldsmobile Cylinder Head. 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 Oldsmobile Bravada models.

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