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Make sure this part fits

GMC 14093989 Piston,(W/Pinion)

1987-1996 GMC

Customer Questions & Expert Answers (7)
GM 14093989 Piston,(W/Pinion)
GM 14093989 Piston,(W/Pinion)
  • Part Description
    PISTON, Engine Piston
  • 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 Number14093989
    Part DescriptionPISTON, Engine Piston
    Other NamesPiston
    Item Dimensions4.9 x 4.4 x 4.2 inches
    Item Weight2.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU14093989
    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
    1990-1991 GMC C15008 Cyl 5.0L, 8 Cyl 5.7LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1990-1995 GMC C25008 Cyl 5.0L, 8 Cyl 5.7LC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1990-1995 GMC C35008 Cyl 5.7LC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1987-1991 GMC G15008 Cyl 5.0L, 8 Cyl 5.7L1/2 TON CARGO, 1/2 TON PASSENGER
    1987-1991 GMC G25008 Cyl 5.0L, 8 Cyl 5.7L3/4 TON CARGO, 3/4 TON PASSENGER
    1987-1996 GMC G35008 Cyl 5.7L1 TON CARGO, 1 TON CARGO CLASSIC, 1 TON CARGO VAN, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON COMMERCIAL/RV CLASSIC, 1 TON PASSENGER, 1 TON PASSENGER CLASSIC
    1987-1991 GMC Jimmy8 Cyl 5.7L1/2 TON
    1990-1991 GMC K15008 Cyl 5.0L, 8 Cyl 5.7LK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1990-1995 GMC K25008 Cyl 5.0L, 8 Cyl 5.7LK2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1990-1995 GMC K35008 Cyl 5.7LK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
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  • 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 14093989 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should you do before removing the connecting rods for the 1990 Chevrolet C1500? Posted by Customer
    A:
    Before removing the connecting rods, check the endplay with feeler gauges by sliding them between the first connecting rod and the crankshaft throw until the play is removed. The endplay is equal to the thickness of the feeler gauge(s).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What should you do after completing the installation of one piston/connecting rod assembly for the 1997 Chevrolet C1500? Posted by Customer
    A:
    Repeat this process for all remaining pistons/connecting rods.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What should be assessed during the inspection of the piston condition for the 1999 Chevrolet C1500? Posted by Customer
    A:
    Cracks around the skirt, pin bosses, and ring lands, as well as scoring, scuffing, holes, or burned areas on the thrust faces, crown, or edge. Overheating or abnormal combustion issues should be addressed if identified.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What should be done to check the connecting rod bearing oil clearance before securing the rod cap for the 1991 Chevrolet K1500? Posted by Customer
    A:
    Lay Plastigage on the number one connecting rod journal, then install the rod cap, ensuring the mating marks align, and tighten the nuts to the specified torque in a three-step process.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How can carbon deposits be eliminated from the piston crown for the 1988 Chevrolet K1500? Posted by Customer
    A:
    By scraping and using a hand-held wire brush or fine emery cloth. It is important not to use an electric drill with a wire brush as it can erode the soft piston material.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How should you identify connecting rods and caps if they aren't plainly marked for the 1989 Chevrolet K1500? Posted by Customer
    A:
    If the connecting rods and caps aren't plainly marked, use a small center punch to make the appropriate number of indentations on each rod and cap for identification.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    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 14093989, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 14093989 Piston,(W/Pinion). It is sometimes referred to as GMC Piston. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC C2500, K1500, Suburban models.

Affordable, reliable and built to last, GM part # 14093989 Piston,(W/Pinion) stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.

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