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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height3.4
Package Width12.9
Package Length12.9
Weight17.3
Part CategoryReplacement Parts
Overall Height48
Number Of Lugs6
Programming RequiredNo
Disc ConstructionVented
Discard Thickness0.847
Center Bore Diameter (Mm)67.4mm
Max Center Hole Diameter2.66 in (67.564 mm)
Abs Sensor Ring IncludedNo
Overall Rotor Diameter (Mm)314.96mm
Center Bore Diameter (In)2.7in
Center Hole Diameter2.65
Pad Contact Surface Width (Mm)42.25
Center Hole Diameter (Mm)67.56
Directional Or Non-Directional Brake SurfaceNon-Directional
Features & Benefits - Bullet 6Premium aftermarket replacement part
Features & Benefits - Bullet 7Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Nominal Thickness (Mm)23.012
Inside Diameter230.5
Features & Benefits - Bullet 2Black coating on hat and vanes
Disc FinishGround
Bolt Hole Quantity6
Overall Rotor Diameter12.4 in (315 mm)
Features & Benefits - Bullet 3Quality validated for proper metallurgy and correct brake plate thickness
Features & Benefits - Bullet 4Tighter tolerances similar to GM OE specifications
Pitch Circle Diameter (Mm)120
Discard Thickness (Mm)21.488
Features & Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Overall Height (Mm)48.01
Stud/Lug Hole Quantity6
PositionRear
Product DescriptionACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help stop the vehicle. 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 Quantity6
Height (Mm)48
Bolt Circle Diameter (Mm)120
Pitch Circle Diameter4.72 in (119.9 mm)
Features &#38; Benefits - Bullet 1Cross drilled for quick brake response and heat dissipation
Mounting Bolt Hole Diameter15.9
ConstructionFull Cast
Thickness (Mm)23.012
Solid Or Vented Type RotorVented
Thickness0.906 in (23 mm)
Bolt Circle Diameter4.72 in (119.888 mm)
Width (In)13
MaterialCast Iron
Outside Diameter (Mm)315
Pad Contact Surface Width1.7
Hat FinishTurned
Includes Abs Sensor RingNo
Max Bolt Hole Diameter (Mm)16.51
Mounting Bolt Hole Circle Diameter119.9
Height (In)1.9
Rust Resistant CoatingYes
SlottedNo
Length (In)13
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Max Bolt Hole Diameter0.65 in (16.51 mm)
Abs Tone Ring IncludedNo
Grade TypeRegular
Surface TypeSmooth
Bolt Circle Diameter (In)4.7
Part FitmentDirect Fit
Outside Diameter12.402
Nominal Thickness23
Vendor Part Number18A2725
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
