GM Genuine Parts Cylinder Head Bolt
OE
Pack of 1

GM Genuine Parts Cylinder Head Bolt

GM Part #11603109

ACDelco Part #11603109

MSRP$2.88*

GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Fastens vehicle's components together
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bolts fasten vehicle components together. GM Genuine Parts are the true OE parts installed during the production 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

  • Fastens vehicle's components together
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies

Head TypeHex
MaterialSteel
Thread TypeCoarse
Bolt Grade10.9
Self DrillingNo
Head ShapeRound
SAE or MetricMetric
Self TappingNo
Head Diameter0.56 in / 14.2 mm
Head Tool Size10
TypeFlange
ClassificationOE
Overall Length2.18 in / 55.25 mm
Thread Length45.2mm
FinishZinc
Attached WasherNo

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.

ModelBody StyleTrimYear(s)
BlazerLT, Premier2020, 2021, 2022, 2023, 2024, 2025, 2026
ColoradoLT, WT2023, 2024, 2025, 2026
Silverado 15002019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 1500 LTD2022
Traverse2024, 2025, 2026