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- Rear Drum In-Hat Disc Brake Rotor
Part TypeBrake Rotor
BrandACDELCO
Package Height4.1
Package Width13.2
Package Length13.2
Weight23.0 PG
Weight23
Part CategoryReplacement Parts
Overall Height86.75
Number Of Lugs8
Programming RequiredNo
Disc ConstructionVented
Discard Thickness1.083
Max Center Hole Diameter4.63 in (117.602 mm)
Overall Rotor Diameter (Mm)329.69mm
Directional Or Non-Directional Brake SurfaceNon-Directional
Center Hole Diameter (Mm)117.6
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
Features & Benefits - Bullet 2Black coating on hat and vanes
Nominal Thickness (Mm)29.133
Bolt Hole Quantity8
Center Hole Diameter4.63 in (117.602 mm)
Features & Benefits - Bullet 3Quality validated for proper metallurgy and correct brake plate thickness
Features & Benefits - Bullet 4Tighter tolerances similar to GM OE specifications
Overall Rotor Diameter12.98 in (329.7 mm)
Features & Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Pitch Circle Diameter (Mm)165.1
Stud/Lug Hole Quantity8
Discard Thickness (Mm)27.508
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 Quantity8
Overall Height (Mm)86.87
Bolt Circle Diameter (Mm)165.1
PositionRear
Features &#38; Benefits - Bullet 1Cross drilled for quick brake response and heat dissipation
Mounting Bolt Hole Diameter16.15
Pitch Circle Diameter6.5 in (165.1 mm)
ConstructionFull Cast
Solid Or Vented Type RotorVented
Thickness (Mm)29.133
Thickness1.147 in (29.1 mm)
Width (In)13.2
Bolt Circle Diameter6.5 in (165.1 mm)
MaterialCast Iron
Hat FinishPainted
Outside Diameter (Mm)329.69
Includes Abs Sensor RingNo
Mounting Bolt Hole Circle Diameter6.5
Height (In)4.1
Max Bolt Hole Diameter (Mm)117.6
SlottedNo
Length (In)13.2
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Bolt Circle Diameter (In)6.5
Part FitmentDirect Fit
Outside Diameter329.9
Nominal Thickness29.15
Vendor Part Number18A2437
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
