Genuine GMC Jimmy Piston

Engine Pistons
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38 Pistons found

  • GMC Jimmy Piston - 88894280
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    GMC Jimmy Piston Asm,(W/ Pinion)(Std)

    Part Number: 88894280
    $104.61 MSRP: $164.59
    You Save: $59.98 (37%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: PISTON, Engine Piston; Piston
    • Replaces: 12522850
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1994 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 12455573
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    GMC Jimmy Piston Kit, (Includes Rings) Std

    Part Number: 12455573
    $65.88 MSRP: $132.83
    You Save: $66.95 (51%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: PISTON, Engine Piston; Piston, Piston Assembly
    • Replaces: 14094013
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987 GMC Jimmy | 1/2 TON | 8 Cyl 5.0L
  • GMC Jimmy Piston - 10049077
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    GMC Jimmy F, Piston

    Part Number: 10049077
    $36.49 MSRP: $52.44
    You Save: $15.95 (31%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1985-1988 GMC Jimmy | 1/2 TON | 8 Cyl 5.0L, 8 Cyl 5.7L
  • GMC Jimmy Piston - 10049078
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    GMC Jimmy PISTON, Engine Piston

    Part Number: 10049078
    $46.50 MSRP: $66.83
    You Save: $20.33 (31%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987-1988 GMC Jimmy | 1/2 TON | 8 Cyl 5.7L
  • GMC Jimmy Piston - 19302651
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    GMC Jimmy Pin Kit,Piston

    Part Number: 19302651
    $112.88 MSRP: $178.40
    You Save: $65.52 (37%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: PIN KIT,PSTN; Piston
    • Replaces: 12555794, 12563088
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1990-1991 GMC Jimmy | 1/2 TON
  • GMC Jimmy Piston - 23500391
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    GMC Jimmy Piston & Pinion Assembly, Service Std

    Part Number: 23500391
    $155.92 MSRP: $246.43
    You Save: $90.51 (37%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: PISTON, Engine Piston; Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1985-1991 GMC Jimmy | 1/2 TON | 8 Cyl 6.2L Diesel
  • GMC Jimmy Piston - 14093991
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    GMC Jimmy Piston & Piston Pinion Assembly, .030 Outside

    Part Number: 14093991
    $34.97 MSRP: $133.33
    You Save: $98.36 (74%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987-1991 GMC Jimmy | 1/2 TON | 8 Cyl 5.7L
  • GMC Jimmy Piston - 3794494
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1985-1989 GMC Jimmy | 1/2 TON
  • GMC Jimmy Piston - 12563089
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Replaces: 12555795, 10232018
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1990-1991 GMC Jimmy | 1/2 TON
  • GMC Jimmy Piston - 12361240
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    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 12361488
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 12455574
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    Product Specifications
    • Other Name: PISTON, Engine Piston; Piston, Piston Assembly
    • Replaces: 14094014
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987 GMC Jimmy | 1/2 TON | 8 Cyl 5.0L
  • GMC Jimmy Piston - 12508703
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    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1993 GMC Jimmy | 2 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 14092914
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    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1993 GMC Jimmy | 2 DOOR, 4 DOOR
  • GMC Jimmy Piston - 14094015
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    Product Specifications
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987 GMC Jimmy | 1/2 TON | 8 Cyl 5.0L
  • GMC Jimmy Piston - 3794495
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1985-1989 GMC Jimmy | 1/2 TON
  • GMC Jimmy Piston - 3794497
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1985-1989 GMC Jimmy | 1/2 TON
  • GMC Jimmy Piston - 14099017
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    Product Specifications
    • Other Name: PISTON, Engine Piston; Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1994 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 14099025
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    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1992-1994 GMC Jimmy | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
  • GMC Jimmy Piston - 14093990
    View related parts
    Product Specifications
    • Other Name: PISTON, Engine Piston
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 1987-1991 GMC Jimmy | 1/2 TON | 8 Cyl 5.7L
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1-20 of 38 Results

GMC Jimmy Piston

In GMC Jimmy vehicles, this component called piston is used in conversion of the energy output of the combustion process into mechanical energy needed in the operation of the vehicle. Being one of the most crucial parts of any internal combustion engine, the piston in GMC Jimmy moves back and forth inside the cylinder, pushing the force created by the expanding gaseous fuel through the crankshaft. This action is made possible by the piston, which is normally made of aluminum alloys to provide strength with a lighter weight while additional piston rings provide a gas tight seal in the cylinder. In the course of using or producing different models of GMC Jimmy, several types of pistons may have been used in order to enhance the performance of the engines. There are several general types such as the trunk pistons which are popular with both petrol and diesel engines hence being designed to cater for side forces while at the same time integrating oil rings to enhance the lubrication process. On the other hand, racing pistons, which might be fitted onto high-Revolution per minute and or high temperature engines, like in the high-Performance GMC Jimmy, are made to be very strong and highly resistant and may use the following types of materials or construction including, forged or billet aluminum. Every piston model of the Jimmy manufactured by GMC is unique depending on what an engine needs during varied driving situations. From a basic trunk piston to a high-performance racing piston, the GMC Jimmy still employs this part to provide the car's dependability and efficiency.

Each OEM GMC Jimmy Piston we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Jimmy Piston Parts Questions & Experts Answers

  • Q: What steps should be taken before removing the piston and connecting rod assemblies on GMC Jimmy?
    A: Prior to removing the piston and connecting rod assemblies, position the engine upright. Use a ridge reamer to completely eliminate the ridge at the top of each cylinder, following the manufacturer's instructions, as failure to do so may result in piston breakage. Once all cylinder wear ridges are removed, turn the engine upside-down. Before removing the connecting rods, check the endplay by mounting a dial indicator aligned with the Crankshaft and touching the side of the number one cylinder connecting rod cap. Push the connecting rod forward to zero the dial indicator, then push it to the rear and note the reading; if the endplay exceeds the service limit, a new connecting rod is necessary. Alternatively, feeler gauges can be used to measure the endplay by inserting them between the connecting rod and crankshaft throw until the play is eliminated. Check for identification marks on the connecting rods and caps, and if absent, use a small punch to mark them. Loosen each connecting rod cap nut about half a turn, remove the number one connecting rod cap and bearing insert without dropping the insert, and protect the crankshaft journal and cylinder wall by slipping a short length of plastic or rubber hose over each connecting rod cap bolt before pushing the connecting rod/piston assembly out through the top of the engine with a wooden tool. If resistance is encountered, ensure all ridge material has been removed. Repeat this process for the remaining cylinders, and after removal, reassemble the connecting rod caps and bearing inserts in their respective rods, installing the cap nuts finger tight to prevent accidental damage to the bearing surfaces.

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