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GMC 12360335 Cylinder Head Kit

1985-1986 GMC

Customer Questions & Expert Answers (33)
GM 12360335 Cylinder Head Kit
GM 12360335 Cylinder Head Kit
  • Part Description
    Head Kit,Cyl
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12360335
    Part DescriptionHead Kit,Cyl
    Other NamesCylinder Head
    Item Dimensions22.4 x 8.7 x 4.8 inches
    Item Weight46.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12360335
    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 GMC S154 Cyl 2.5L2 DOOR, PICKUP
    1985-1986 GMC Safari4 Cyl 2.5LVAN SAFARI

  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12360335 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    Why might a home mechanic choose to purchase replacement heads instead of overhauling existing ones for the 1984 Buick Skylark? Posted by Customer
    A:
    Specialized tools are necessary for dismantling and inspecting the heads, and replacement parts may not be readily available. Therefore, it may be more practical and economical for the home mechanic to purchase replacement heads and install them.
    Posted by GMPartsGiant Specialist
    Q:
    What additional components need to be removed from the cylinder head for the 1981 Buick Skylark? Posted by Customer
    A:
    Proceed to remove the pushrods and detach the thermostat housing from the cylinder head. Remove all vacuum valves and switches from the cylinder head, followed by the engine lifting "eyes" and the A/C compressor mounting bracket.
    Posted by GMPartsGiant Specialist
    Q:
    What precautions should be taken while cleaning the engine block gasket surface before installing a new head gasket for the 1986 Buick Century? Posted by Customer
    A:
    While cleaning the engine block gasket surface, you should ensure that no foreign material enters critical areas, as cleanliness is crucial for proper sealing.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What is the recommended method to free a stuck head for the 1985 Buick Skylark? Posted by Customer
    A:
    Instead, use a hammer and a block of wood, tapping upward at each end.
    Posted by GMPartsGiant Specialist
    Q:
    How can carbon deposits be removed from the valves for the 1980 Buick Skylark? Posted by Customer
    A:
    A buffing wheel should be employed to eliminate all carbon deposits from the valves, ensuring the order of the valves is not mixed up during cleaning.
    Posted by GMPartsGiant Specialist
    Q:
    How can you check the installed height of the valve springs for the 1980 Buick Skylark? Posted by Customer
    A:
    Check the installed height of the valve springs with a narrow, thin scale, measuring from the top of the shim or spring seat to the top of the valve spring or spring shield.
    Posted by GMPartsGiant Specialist
    Q:
    How should valve springs and dampers be inspected for the 1984 Buick Skylark? Posted by Customer
    A:
    Inspect each valve spring and its damper, replacing any that are deformed, cracked, or broken.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the exhaust manifold and valve lifters be installed for the 1982 Buick Skylark? Posted by Customer
    A:
    Install the exhaust manifold(s) and each valve lifter into its proper bore, using Molykote or an equivalent coating on each lifter.
    Posted by GMPartsGiant Specialist
    Q:
    How should the new valve seal be installed for the 1992 Chevrolet Astro? Posted by Customer
    A:
    Install the new valve seal onto the guide and use an appropriate tool to drive the seal onto the valve guide, ensuring it is seated properly.
    Posted by GMPartsGiant Specialist
    Q:
    How should the head and block surfaces be prepared for the 2000 Chevrolet Astro? Posted by Customer
    A:
    Check the head for distortion and cracks, use a gasket scraper to remove all traces of carbon and old gasket material, and clean the surfaces with lacquer thinner or acetone.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What are the initial steps to take when disassembling a cylinder head for the 1990 Chevrolet Astro? Posted by Customer
    A:
    Begin by taking off the rocker arm nuts, pivot balls, and rocker arms from the cylinder head studs, ensuring to label or store the parts separately for reinstallation.
    Posted by GMPartsGiant Specialist
    Q:
    What is the recommended method for cleaning valve components for the 2004 Chevrolet Astro? Posted by Customer
    A:
    Clean all valve springs, shields, keepers, and retainers one valve at a time to avoid mixing parts, and scrape off heavy deposits from the valves before using a motorized wire brush on the valve heads and stems.
    Posted by GMPartsGiant Specialist
    Q:
    What should be removed for CMFI or CSFI engines for the 1997 Chevrolet Astro? Posted by Customer
    A:
    For CMFI or CSFI engines, remove the upper intake plenum and the intake manifold.
    Posted by GMPartsGiant Specialist
    Q:
    How should the valve guides be cleaned for the 1983 Oldsmobile Cutlass? Posted by Customer
    A:
    Thoroughly clean the valve guides with GM tool J-8101 or other comparable devices found at auto parts stores.
    Posted by GMPartsGiant Specialist
    Q:
    What should one understand before overhauling cylinder heads for the 1999 Oldsmobile Cutlass? Posted by Customer
    A:
    If overhauling the cylinder heads is chosen, it is important to understand the steps involved, as well as the tools and replacement parts necessary for the job.
    Posted by GMPartsGiant Specialist
    Q:
    What can be used for comparison if accurate measurement is difficult for the 1984 Pontiac Fiero? Posted by Customer
    A:
    A small length of welding rod or stiff wire can be cut to the specified height for comparison.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done with the spark plug wires for the 1987 Oldsmobile Cutlass? Posted by Customer
    A:
    Install the spark plug wires on the rocker arm cover studs and connect the wires using pieces of tape as a guide.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done after installing the O-ring oil seal for the 1984 Pontiac Fiero? Posted by Customer
    A:
    Position the keepers in the upper groove, then slowly release the compressor to ensure the keepers seat properly. A small dab of grease can be applied to hold them in place if necessary.
    Posted by GMPartsGiant Specialist
    Q:
    How should the push rods be handled during disassembly for the 1998 Oldsmobile Cutlass? Posted by Customer
    A:
    Punch holes in the box or rack to accommodate the push rods, lifting each from the cylinder heads and placing them in the appropriate holes.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done if warpage exceeds 0.006 inches for the 1996 Oldsmobile Cutlass? Posted by Customer
    A:
    If warpage exceeds 0.006 inches at any point with a straightedge spanning the entire head, resurfacing is necessary.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    How should the gasket be positioned before lowering the cylinder head for the 1998 Oldsmobile Cutlass? Posted by Customer
    A:
    Position the gasket over the engine block dowel pins with the bead up.
    Posted by GMPartsGiant Specialist
    Q:
    How should the cylinder head bolts be removed for the 1992 Oldsmobile Cutlass? Posted by Customer
    A:
    Loosen the cylinder head bolts gradually and remove them, keeping track of bolt length and location.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the alternator bracket for the 1982 Pontiac Firebird? Posted by Customer
    A:
    Remove the bolts securing the alternator bracket to the cylinder head.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done regarding the valve stem for the 1982 Oldsmobile Cutlass? Posted by Customer
    A:
    Install a new oil seal in the lower groove of the valve stem, ensuring it is flat and not twisted.
    Posted by GMPartsGiant Specialist
    Q:
    How do you position the new cylinder head for the 1986 Pontiac Fiero? Posted by Customer
    A:
    Position the gasket over the locating dowels, place the cylinder head over the gasket, coat the bolt threads with sealer, and install the bolts, tightening them in the proper sequence to the specified torque in three steps.
    Posted by GMPartsGiant Specialist
    Q:
    What is the next step after removing the electrical connections for the 1985 Pontiac Fiero? Posted by Customer
    A:
    Take off the rocker arm cover, followed by the rocker arms and push rods.
    Posted by GMPartsGiant Specialist
    Q:
    What is the next step regarding the alternator for the 1984 Pontiac Firebird? Posted by Customer
    A:
    Remove the lower alternator mounting bolt from the right-side cylinder head.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done to check valve springs for the 1985 Pontiac Fiero? Posted by Customer
    A:
    Check each valve spring for wear on the ends, measure the free length, and compare it to specified limits, discarding any springs that are shorter than specified. Stand the spring on a flat surface to check for squareness against a steel straightedge.
    Posted by GMPartsGiant Specialist
    Q:
    What is the procedure for removing the valve spring and associated components for the 1991 Pontiac Firebird? Posted by Customer
    A:
    The valve spring on the first valve should be compressed with a spring compressor to remove the keepers, followed by careful removal of the retainer, shield, springs, valve guide seal, spring seat, and valve from the head. If the valve binds in the guide, it may be necessary to push it back into the head and deburr the area around the keeper groove.
    Posted by GMPartsGiant Specialist
    Q:
    What is the procedure for the right side cylinder head for the 1992 Pontiac Firebird? Posted by Customer
    A:
    Remove the exhaust manifold, loosen the rocker arm nuts to remove the pushrods, and loosen the head bolts in the opposite sequence of tightening. Remove the cylinder head by breaking the gasket seal with a bar inserted into one of the exhaust ports, and follow the installation steps outlined previously.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done to the head before reassembly for the 1984 Pontiac Firebird? Posted by Customer
    A:
    Regardless of whether the head was sent to an automotive machine shop for valve servicing, ensure it is clean before beginning reassembly.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done to check the condition of valve springs for the 1988 Pontiac Firebird? Posted by Customer
    A:
    Check each valve spring for wear and measure the free length, comparing it to specifications, and check for squareness.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12360335, the Right Choice

To ensure reliability, purchase GM part # 12360335 Cylinder Head Kit. It is sometimes referred to as GMC 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 GMC S15, Safari models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12360335 Cylinder Head Kit. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

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