GM Genuine Parts Piston
OE
Pack of 1

GM Genuine Parts Piston

GM Part #25202649

MSRP$102.10*
  • 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

Pack of 1

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

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

ModelBody StyleTrimYear(s)
CruzeL2015
Cruze LimitedL, LS2016
SonicLS, LT2016, 2017, 2018

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."