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Part TypeBrake Rotor
BrandACDELCO
Package Height2.8
Package Width12.3
Package Length12.3
Weight10.7
Center Bore Diameter (Mm)76mm
Overall Rotor Diameter (Mm)283.97mm
Center Bore Diameter (In)3in
Center Hole Diameter2.99
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Directional Or Non-Directional Brake SurfaceNon-Directional
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Disc FinishGround
Stud/Lug Hole Quantity5
Product DescriptionACDelco Professional Disc Brake Rotors provide reliable vehicle braking power and are a high quality replacement for many vehicles on the road today. They feature a thickness variation that is less than 0.0004 to minimize pedal pulsation, noise, and help to extend brake pad life. These rotors meet the SAE standard for structural integrity with OE matched G3000 qualified material delivering guaranteed performance. Also, no machining is required. ACDelco Advantage Disc Brake Rotors are ready to be installed right out of the box. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mounting Bolt Hole Quantity5
Bolt Circle Diameter (Mm)114.3
ConstructionFull Cast
Width (In)12.3
Pad Contact Surface Width1.9
Hat FinishTurned
Mounting Bolt Hole Circle Diameter114.3
Length (In)12.3
Abs Tone Ring IncludedNo
Surface TypeSmooth
Bolt Circle Diameter (In)4.5
Outside Diameter11.181
Part CategoryReplacement Parts
Overall Height2.181
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Programming RequiredNo
Discard Thickness0.331
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 1Brake pedal pulsation (not to be confused with normal ABS operation).
Signs Of Wear &#38; Troubleshooting - Section 1 - HeaderBrake rotor signs of wear include:
Faq - Answer 1Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors.
Inside Diameter185.3
Features &#38; Benefits - Bullet 2Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
Bolt Hole Quantity5
Features &#38; Benefits - Bullet 3Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration
Height (Mm)55.4
Features &#38; Benefits - Bullet 1Inspected for balance; resulting in smooth brake operation and noise reduction
Mounting Bolt Hole Diameter0.495
Solid Or Vented Type RotorSolid
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
MaterialCast Iron
Height (In)2.2
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Squealing or grinding noises.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3Low brake pedal height.
Rust Resistant CoatingYes
SlottedNo
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 4Vehicle pulls to the left or right when brakes are applied.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 5Visible ridges or deep grooves on the rotor surface.
Conventional Or Drum-In-Hat Type RotorDrum-In-Hat
Part FitmentDirect Fit
Nominal Thickness0.394
Faq - Question 1Does ACDelco offer other grades of brake rotors?
Vendor Part Number18A2820
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
