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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height4.0
Package Width14.6
Package Length14.6
Weight24.0 PG
Weight24.2
Part CategoryReplacement Parts
Overall Height2.835
Number Of Lugs5
Programming RequiredNo
Disc ConstructionVented
Discard Thickness20.4
Center Bore Diameter (Mm)78.5mm
Max Center Hole Diameter3.09 in (78.486 mm)
Abs Sensor Ring IncludedNo
Overall Rotor Diameter (Mm)352.81mm
Center Bore Diameter (In)3.1in
Center Hole Diameter78.5
Pad Contact Surface Width (Mm)46.2
Center Hole Diameter (Mm)78.49
Directional Or Non-Directional Brake SurfaceNon-Directional
Features & Benefits - Bullet 2Premium aftermarket replacement part
Disc FinishGround
Nominal Thickness (Mm)21.971
Bolt Hole Quantity5
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 Quantity5
Overall Rotor Diameter13.89 in (352.8 mm)
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 mod els, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mounting Bolt Hole Quantity5
Height (Mm)72
Pitch Circle Diameter (Mm)139.7
Bolt Circle Diameter (Mm)139.7
Discard Thickness (Mm)20.396
Features &#38; Benefits - Bullet 1Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Overall Height (Mm)72.14
Mounting Bolt Hole Diameter16.95
PositionRear
ConstructionFull Cast
Solid Or Vented Type RotorVented
Pitch Circle Diameter5.5 in (139.7 mm)
Width (In)14.88
MaterialCast Iron
Pad Contact Surface Width1.8
Hat FinishTurned
Thickness (Mm)21.971
Thickness0.865 in (22 mm)
Bolt Circle Diameter5.5 in (139.7 mm)
Mounting Bolt Hole Circle Diameter5.5
Height (In)2.8
Outside Diameter (Mm)352
Rust Resistant CoatingYes
Includes Abs Sensor RingNo
SlottedNo
Length (In)14.88
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Max Bolt Hole Diameter (Mm)78.49
Abs Tone Ring IncludedNo
Surface TypeSmooth
Bolt Circle Diameter (In)5.5
Part FitmentDirect Fit
Grade TypeRegular
Outside Diameter352.05
Nominal Thickness21.95
Vendor Part Number18A1428
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
