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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height2.3
Package Width11.2
Package Length11.2
Weight9.6 PG
Part CategoryReplacement Parts
Overall Height1.605
Number Of Lugs5
Programming RequiredNo
Disc ConstructionSolid
Discard Thickness9
Center Bore Diameter (Mm)72mm
Max Center Hole Diameter2.84 in (72.136 mm)
Abs Sensor Ring IncludedNo
Overall Rotor Diameter (Mm)284.48mm
Center Bore Diameter (In)2.8in
Center Hole Diameter2.84
Pad Contact Surface Width (Mm)43.95
Center Hole Diameter (Mm)72.14
Directional Or Non-Directional Brake SurfaceNon-Directional
Features & Benefits - Bullet 2Premium aftermarket replacement part
Disc FinishGround
Nominal Thickness (Mm)10.922
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 Diameter11.2 in (284.5 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 models, 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)40.8
Pitch Circle Diameter (Mm)114.3
Bolt Circle Diameter (Mm)114.3
Discard Thickness (Mm)8.991
Features &#38; Benefits - Bullet 1Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Overall Height (Mm)40.89
Mounting Bolt Hole Diameter13.7
PositionRear
ConstructionFull Cast
Solid Or Vented Type RotorSolid
MaterialCast Iron
Pitch Circle Diameter4.5 in (114.3 mm)
Pad Contact Surface Width1.7
Hat FinishTurned
Mounting Bolt Hole Circle Diameter4.5
Thickness (Mm)10.922
Height (In)1.6
Thickness0.43 in (10.9 mm)
Bolt Circle Diameter4.5 in (114.3 mm)
Rust Resistant CoatingYes
SlottedNo
Conventional Or Drum-In-Hat Type RotorConventional
Outside Diameter (Mm)284.48
Abs Tone Ring IncludedNo
Includes Abs Sensor RingNo
Surface TypeSmooth
Bolt Circle Diameter (In)4.5
Max Bolt Hole Diameter (Mm)72.14
Part FitmentDirect Fit
Outside Diameter11.02
Nominal Thickness10.9
Grade TypeRegular
Vendor Part Number18A1804
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
