
OE
Pack of 1
OE
Pack of 1
GM Genuine Parts Throttle Body Adapter
GM Part #55499300
About this product
GM Genuine Parts Fuel Injection Throttle Body Adapters 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
Gasket Or Seal IncludedYes
Thickness0.11 in / 2.86 mm
Mounting Hole Quantity3
Port Quantity2
ClassificationOE
ColorBlack
Main Port Inside Diameter1.95 in / 49.6 mm
Main Port Outside Diameter2.4 in / 61.06 mm
Mount Hole Inside Diameter0.26 in / 6.5 mm
Gasket Or Seal IncludedYes
Mounting Hole Quantity3
ClassificationOE
Main Port Inside Diameter1.95 in / 49.6 mm
Mount Hole Inside Diameter0.26 in / 6.5 mm
Thickness0.11 in / 2.86 mm
Port Quantity2
ColorBlack
Main Port Outside Diameter2.4 in / 61.06 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.


