
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Cylinder Head Bolt
GM Part #55488687
About this product
GM Genuine Parts Bolts 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
FinishZinc
Head TypeHex
Thread TypeFine
Bolt Grade10.9
Self TappingNo
Self DrillingNo
Head ShapeRound
SAE or MetricMetric
TypeFlange
Thread Length55mm
Head Tool Size15
ClassificationOE
Shank Length3.59 in / 91.15 mm
Overall Length6.65 in / 168.8 mm
Shank Diameter10.87mm
Head Diameter0.98 in / 25 mm
Attached WasherNo
MaterialSteel
FinishZinc
Thread TypeFine
Self TappingNo
Head ShapeRound
TypeFlange
Head Tool Size15
Shank Length3.59 in / 91.15 mm
Shank Diameter10.87mm
Attached WasherNo
Head TypeHex
Bolt Grade10.9
Self DrillingNo
SAE or MetricMetric
Thread Length55mm
ClassificationOE
Overall Length6.65 in / 168.8 mm
Head Diameter0.98 in / 25 mm
MaterialSteel
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.