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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height3.4
Package Width12.9
Package Length12.9
Weight19.0 PG
Weight19
Part CategoryReplacement Parts
Overall Height1.89
Number Of Lugs5
Programming RequiredNo
Disc ConstructionVented
Discard Thickness24
Max Center Hole Diameter2.79 in (70.866 mm)
Overall Rotor Diameter (Mm)320.04mm
Center Hole Diameter70.6
Center Hole Diameter (Mm)70.87
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)26.035
Features & Benefits - Bullet 2Black coating on hat and vanes
Bolt Hole Quantity5
Features & Benefits - Bullet 3Quality validated for proper metallurgy and correct brake plate thickness
Overall Rotor Diameter12.6 in (320 mm)
Features & Benefits - Bullet 4Tighter tolerances similar to GM OE specifications
Features & Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Pitch Circle Diameter (Mm)115
Discard Thickness (Mm)24.003
Stud/Lug Hole Quantity5
Overall Height (Mm)48.01
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 Gol d (Professional) parts are manu factured 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
PositionRear
Bolt Circle Diameter (Mm)115
Features &#38; Benefits - Bullet 1Cross drilled for quick brake response and heat dissipation
Pitch Circle Diameter4.52 in (114.8 mm)
Mounting Bolt Hole Diameter0.511
ConstructionFull Cast
Thickness (Mm)26.035
Solid Or Vented Type RotorVented
Thickness1.025 in (26 mm)
Bolt Circle Diameter4.52 in (114.808 mm)
Width (In)13
MaterialCast Iron
Outside Diameter (Mm)320.04
Hat FinishPainted
Includes Abs Sensor RingNo
Max Bolt Hole Diameter (Mm)70.87
Mounting Bolt Hole Circle Diameter4.528
Height (In)4.2
SlottedNo
Length (In)13
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Abs Tone Ring IncludedNo
Bolt Circle Diameter (In)4.52
Part FitmentDirect Fit
Outside Diameter12.6
Nominal Thickness26.05
Vendor Part Number18A2310
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
