
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Engine Piston
GM Part #89017849
ACDelco Part #89017849
About this product
GM Genuine Parts Engine Pistons are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- 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
OversizedNo
Piston Head TypeDish
Assembly Lubricant IncludedNo
Piston MaterialAluminum
Piston Pin Incorporated BearingsNo
Skirt TypePartial
Piston Pin MaterialSteel
Second Compression Ring Thickness0.058 in / 1.48 mm
ClassificationOE
Piston Pin Length2.564 in / 65.12 mm
Piston Pin Outside Diameter0.943 in / 23.95 mm
Oil Ring Thickness0.1 in / 2.54 mm
Skirt Length0.15 in / 3.8 mm
Ring Inside Diameter3.709 in / 94.21 mm
Ring Outside Diameter4.001 in / 101.63 mm
Oil Spacer Ring Thickness0.06 in / 1.52 mm
Top Compression Ring Thickness0.046 in / 1.17 mm
Piston Pin Inside Diameter0.551 in / 14 mm
Piston Inside Diameter3.819 in / 97 mm
Piston Outside Diameter4.173 in / 106 mm
Ring MaterialSteel
OversizedNo
Assembly Lubricant IncludedNo
Piston Pin Incorporated BearingsNo
Piston Pin MaterialSteel
ClassificationOE
Piston Pin Outside Diameter0.943 in / 23.95 mm
Skirt Length0.15 in / 3.8 mm
Ring Outside Diameter4.001 in / 101.63 mm
Top Compression Ring Thickness0.046 in / 1.17 mm
Piston Inside Diameter3.819 in / 97 mm
Ring MaterialSteel
Piston Head TypeDish
Piston MaterialAluminum
Skirt TypePartial
Second Compression Ring Thickness0.058 in / 1.48 mm
Piston Pin Length2.564 in / 65.12 mm
Oil Ring Thickness0.1 in / 2.54 mm
Ring Inside Diameter3.709 in / 94.21 mm
Oil Spacer Ring Thickness0.06 in / 1.52 mm
Piston Pin Inside Diameter0.551 in / 14 mm
Piston Outside Diameter4.173 in / 106 mm
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.