
Silver
Silver
ACDelco Silver Non-Coated Rear Disc Brake Rotor
GM Part #19255508
ACDelco Part #18A2543A
About this product
ACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage
- Economical value with dependable quality
- For General Motors vehicles as well as most makes and models
Surface TypeSmooth
ABS Sensor Ring IncludedNo
Solid Or Vented Type RotorVented
ConstructionFull Cast
Discard Thickness0.724 in / 18.4 mm
Outside Diameter13.031 in / 331 mm
Rust Resistant CoatingNo
Nominal Thickness0.787 in / 20 mm
ClassificationSilver
MaterialCast Iron
Mounting Bolt Hole Diameter0.625 in / 15.9 mm
Mounting Bolt Hole Circle Diameter5.197 in / 132 mm
Mounting Bolt Hole Quantity6
Disc FinishNon-Directional
Hat FinishPlain
Overall Height2.1 in / 53.35 mm
Center Hole Diameter2.98 in / 75.7 mm
Weight17.8lb
Surface TypeSmooth
Solid Or Vented Type RotorVented
Discard Thickness0.724 in / 18.4 mm
Rust Resistant CoatingNo
ClassificationSilver
Mounting Bolt Hole Diameter0.625 in / 15.9 mm
Mounting Bolt Hole Quantity6
Hat FinishPlain
Center Hole Diameter2.98 in / 75.7 mm
ABS Sensor Ring IncludedNo
ConstructionFull Cast
Outside Diameter13.031 in / 331 mm
Nominal Thickness0.787 in / 20 mm
MaterialCast Iron
Mounting Bolt Hole Circle Diameter5.197 in / 132 mm
Disc FinishNon-Directional
Overall Height2.1 in / 53.35 mm
Weight17.8lb
12 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.

