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GM 14093989 Piston,(W/Pinion)

1987-1996 GM

Customer Questions & Expert Answers (7)
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
  • Product Specifications

    BrandGenuine GM
    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
    1987-1991 Chevrolet Blazer8 Cyl 5.7L1/2 TON
    1990-1991 Chevrolet 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 Chevrolet C25008 Cyl 5.0L, 8 Cyl 5.7LC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1990-1995 Chevrolet 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
    1994-1995, 1987-1991 Chevrolet G108 Cyl 5.0L, 8 Cyl 5.7L1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER, 1/2 TON CARGO, 1/2 TON PASSENGER
    1987-1991 Chevrolet G208 Cyl 5.0L, 8 Cyl 5.7L1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER
    1987-1996 Chevrolet G308 Cyl 5.7L1 TON CARGO, 1 TON CARGO CLASSIC, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON COMMERCIAL/RV CLASSIC, 1 TON PASSENGER, 1 TON PASSENGER CLASSIC
    1990-1991 Chevrolet 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 Chevrolet K25008 Cyl 5.0L, 8 Cyl 5.7LK2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1990-1995 Chevrolet 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
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    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
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    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

To ensure reliability, purchase GM part # 14093989 Piston,(W/Pinion). It is sometimes referred to as GM Piston. 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 Blazer, G20, P30 models. It fits GMC C2500, K1500, Suburban.

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