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GM 23500393 Piston & Pinion Assembly, Service 0.75Mm Outside

1985-1993 GM

Customer Questions & Expert Answers (7)
GM 23500393 Piston & Pinion Assembly, Service 0.75Mm Outside
  • 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 Number23500393
    Part DescriptionPISTON, Engine Piston
    Item Dimensions4.7 x 4.4 x 4.5 inches
    Item Weight3.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU23500393
    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
    1992-1993 Chevrolet Blazer1/2 TON
    1988-1993 Chevrolet C15008 Cyl 6.2L DieselC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1988-1993 Chevrolet C25008 Cyl 6.2L DieselC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1988-1991 Chevrolet C35008 Cyl 6.2L DieselC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1985-1991 Chevrolet G101/2 TON CARGO, 1/2 TON PASSENGER
    1985-1993 Chevrolet G208 Cyl 6.2L Diesel1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER
    1985-1993 Chevrolet G308 Cyl 6.2L Diesel1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER
    1988-1993 Chevrolet K15008 Cyl 6.2L DieselK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1988-1993 Chevrolet K25008 Cyl 6.2L DieselK2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1988-1991 Chevrolet K35008 Cyl 6.2L DieselK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 EXTENDED CAB, K3500 REGULAR CAB
    View More
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 23500393 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done after cleaning the piston/rod assemblies for the 1988 Chevrolet C1500? Posted by Customer
    A:
    They should be cleaned with solvent and compressed air if available, confirming that the oil return holes in the ring grooves' back sides are clear.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How should you guide the connecting rod onto the crankshaft journal for the 1989 Chevrolet C1500? Posted by Customer
    A:
    Gently tap the piston into place while guiding the connecting rod onto the crankshaft journal, taking care not to force it.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How should you remove the piston/connecting rod assemblies from the engine for the 1998 Chevrolet C1500? Posted by Customer
    A:
    Push the connecting rod/piston assembly out through the top of the engine.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How should you clean the old bearing inserts for the 1996 Chevrolet K1500? Posted by Customer
    A:
    Remove the old bearing inserts and wipe the bearing surfaces of both the connecting rod and cap meticulously. Keep them completely clean.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    How can carbon deposits be eliminated from the piston crown for the 1997 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:
    What is the significance of checking connecting rod endplay for the 1989 Chevrolet K1500? Posted by Customer
    A:
    If the endplay exceeds the service limit, new connecting rods will be required.
    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 23500393, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 23500393 Piston & Pinion Assembly, Service 0.75Mm Outside. It is sometimes referred to as GM 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 Chevrolet Blazer, G20, P30 models. It fits GMC C2500, K1500, Suburban.

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