GM Genuine Parts Driver Side Engine Piston

About this product

GM Genuine Parts Engine Pistons are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine pistons compress a fuel and air mixture inside the cylinder wall which allows ignition by the spark plug.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Compresses fuel and air mixture in a cylinder wall for ignition by spark plug
Converts up and down motion of piston to rotating crankshaft motion
Moves up and down inside cylinder walls
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

ClassificationOE

OversizedYes

ClassificationOE

OversizedYes

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Before purchasing and installing an engine piston, make sure it is the correct fit for your vehicle

Keep oil changed and level full for proper lubrication
Have engine serviced if check engine light comes on
Have engine checked or serviced if internal noise appears
Change oil filter with every oil change
Regularly inspect engine pistons for signs of damage or wear, and replace them if signs of damage are found

Signs of wear for engine pistons include but are not limited to:

Low compression readings
Poor engine performance
Excessive smoke out of exhaust from worn piston rings

Model	Body Style	Trim	Year(s)
C4500 Topkick			2003, 2004, 2005
C5500 Topkick			2003, 2004, 2005
Sierra 2500 HD			2001, 2002, 2003, 2004, 2005
Sierra 3500			2001, 2002, 2003, 2004, 2005

About this product

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Compresses fuel and air mixture in a cylinder wall for ignition by spark plug
Converts up and down motion of piston to rotating crankshaft motion
Moves up and down inside cylinder walls
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

ClassificationOE

OversizedYes

ClassificationOE

OversizedYes

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Before purchasing and installing an engine piston, make sure it is the correct fit for your vehicle

Keep oil changed and level full for proper lubrication
Have engine serviced if check engine light comes on
Have engine checked or serviced if internal noise appears
Change oil filter with every oil change
Regularly inspect engine pistons for signs of damage or wear, and replace them if signs of damage are found

Signs of wear for engine pistons include but are not limited to:

Low compression readings
Poor engine performance
Excessive smoke out of exhaust from worn piston rings

Model	Body Style	Trim	Year(s)
C4500 Topkick			2003, 2004, 2005
C5500 Topkick			2003, 2004, 2005
Sierra 2500 HD			2001, 2002, 2003, 2004, 2005
Sierra 3500			2001, 2002, 2003, 2004, 2005

Frequently Asked Questions

Yes. Always consult the Vehicle Owner's Manual or an expert technician before making any repairs or adjustments.

The piston is attached to a connecting rod on one end and the crankshaft on the other end with a bearing and bearing cap.

No, you need to get the right piston for your cylinder bore along with correct piston rings.

Yes, it will cause the piston rings to score the cylinder walls and possibly crack piston or connecting rod from excessive heat or side to side movement.

About this product

Product details

Specifications

Warranty

Maintenance

Before purchasing and installing an engine piston, make sure it is the correct fit for your vehicle

Signs of wear for engine pistons include but are not limited to:

Fits these vehicles

About this product

Product details

Specifications

Warranty

Maintenance

Before purchasing and installing an engine piston, make sure it is the correct fit for your vehicle

Signs of wear for engine pistons include but are not limited to:

Fits these vehicles

Frequently Asked Questions

Should the Vehicle Owner's Manual or an expert technician be consulted before making any repairs or adjustments?

How is a piston attached to the crankshaft?

Are all pistons the same?

Can lack of lubrication damage a piston?

GM Genuine Parts Driver Side Engine Piston

GM Genuine Parts Driver Side Engine Piston