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Part TypeBrake Rotor
BrandACDELCO
Package Height3.4
Package Width12.9
Package Length12.9
Part CategoryReplacement Parts
Overall Height43.2
Programming RequiredNo
Discard Thickness0.965
Center Bore Diameter (Mm)82.1mm
Overall Rotor Diameter (Mm)319.79mm
Center Bore Diameter (In)3.2in
Center Hole Diameter3.232
Directional Or Non-Directional Brake SurfaceNon-Directional
Features & Benefits - Bullet 2Premium aftermarket replacement part
Disc FinishGround
Bolt Hole Quantity6
Features & Benefits - Bullet 3Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Stud/Lug Hole Quantity6
Product DescriptionACDelco Gold (Professional) Black Hat Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACD elco Gold parts may have formerly appeared as ACDelco Professional. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mounting Bolt Hole Quantity6
Height (Mm)43.2
Bolt Circle Diameter (Mm)139.7
Features &#38; Benefits - Bullet 1Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Mounting Bolt Hole Diameter16.6
ConstructionFull Cast
Solid Or Vented Type RotorVented
MaterialCast Iron
Pad Contact Surface Width51
Hat FinishTurned
Mounting Bolt Hole Circle Diameter139.7
Height (In)1.7
Rust Resistant CoatingYes
SlottedNo
Conventional Or Drum-In-Hat Type RotorConventional
Abs Tone Ring IncludedNo
Surface TypeSmooth
Bolt Circle Diameter (In)5.5
Part FitmentDirect Fit
Outside Diameter12.597
Nominal Thickness1.025
Vendor Part Number18A2485
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
