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GM 23500391 Piston & Pinion Assembly, Service Std

1985-1993 GM

Customer Questions & Expert Answers (7)
GM 23500391 Piston & Pinion Assembly, Service Std
GM 23500391 Piston & Pinion Assembly, Service Std
  • Part Description
    PISTON, Engine Piston
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

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  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number23500391
    Part DescriptionPISTON, Engine Piston
    Other NamesPiston
    Item Dimensions4.8 x 4.5 x 4.3 inches
    Item Weight3.10 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU23500391
    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
    1985-1993 Chevrolet Blazer8 Cyl 6.2L Diesel1/2 TON
    1985-1986 Chevrolet C108 Cyl 6.2L DieselREGULAR CAB LONG BOX, REGULAR CAB STANDARD BOX
    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
    1985-1986 Chevrolet C208 Cyl 6.2L DieselCREW CAB, REGULAR CAB
    1988-1993 Chevrolet C25008 Cyl 6.2L DieselC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1985-1986 Chevrolet C308 Cyl 6.2L DieselCAB CHASSIS 135.5, CAB CHASSIS 159.9, CREW CAB, 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
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  • 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 23500391 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What important step should be taken to prevent piston breakage for the 1993 Chevrolet C1500? Posted by Customer
    A:
    Completely remove the ridge at the top of each cylinder with a ridge reaming tool. Failure to remove the ridge before attempting to remove the piston/connecting rod assemblies will result in piston breakage.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What should be done to ensure the bearing faces are clean for the 1998 Chevrolet C1500? Posted by Customer
    A:
    Afterward, scrape off all Plastigage material from the rod journal and bearing face without causing any damage, ensuring the bearing faces are impeccably clean.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What should be done after cleaning the piston/rod assemblies for the 1992 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 identify connecting rods and caps if they aren't plainly marked for the 1990 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
    Q:
    What is the first step in the inspection process for the piston/connecting rod assemblies for the 1991 Chevrolet K1500? Posted by Customer
    A:
    Ensuring they are clean and removing the original piston rings from the pistons.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Piston
    Q:
    What steps should be taken to secure the rod cap for the 1994 Chevrolet K1500? Posted by Customer
    A:
    Push the piston into the cylinder to expose the face of the bearing insert in the connecting rod, then slide the connecting rod back onto the journal, remove the protective hoses from the rod cap bolts, and secure the rod cap, tightening the nuts to the specified torque in three steps.
    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 23500391, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 23500391 Piston & Pinion Assembly, Service Std. 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.

Affordable, reliable and built to last, GM part # 23500391 Piston & Pinion Assembly, Service Std 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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