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- Performance Rear Disc Brake Rotor Assembly for Severe Duty
Part TypeBrake Rotor
BrandACDELCO
Package Height2.8
Package Width12.3
Package Length12.3
Weight13.8 PG
Center Bore Diameter (Mm)70.7mm
Overall Rotor Diameter (Mm)294.89mm
Center Bore Diameter (In)2.8in
Number Of Lugs5
Center Hole Diameter70.7
Disc ConstructionVented
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Max Center Hole Diameter2.79 in (70.866 mm)
Abs Sensor Ring IncludedNo
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).
Pad Contact Surface Width (Mm)48.8
Center Hole Diameter (Mm)70.87
Disc FinishTurned
Product DescriptionACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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
Bolt Circle Diameter (Mm)114.3
Nominal Thickness (Mm)19.05
ConstructionFull Cast
Pad Contact Surface Width48.8
Hat FinishTurned
Mounting Bolt Hole Circle Diameter114.3
Overall Rotor Diameter11.61 in (294.9 mm)
Abs Tone Ring IncludedNo
Pitch Circle Diameter (Mm)114.3
Surface TypeSmooth
Bolt Circle Diameter (In)4.5
Discard Thickness (Mm)18.008
Outside Diameter295
Overall Height (Mm)58.17
Part CategoryReplacement Parts
PositionRear
Overall Height2.307
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Pitch Circle Diameter4.5 in (114.3 mm)
Programming RequiredNo
Discard Thickness0.71
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Thickness (Mm)19.05
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Thickness0.75 in (19.1 mm)
Bolt Circle Diameter4.5 in (114.3 mm)
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 1Visible ridges on rotor surface.
Outside Diameter (Mm)294.89
Signs Of Wear &#38; Troubleshooting - Section 1 - HeaderBrake rotor signs of wear include:
Faq - Answer 2No, but it is a good idea to inspect your brake rotors at each tire rotation.
Includes Abs Sensor RingNo
Faq - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
Features &#38; Benefits - Bullet 6Premium aftermarket replacement part
Max Bolt Hole Diameter (Mm)70.87
Features &#38; Benefits - Bullet 7Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Features &#38; Benefits - Bullet 2Damped iron metallurgy reduces noise and dissipates heat
Bolt Hole Quantity5
Features &#38; Benefits - Bullet 3Non-directional rotation eliminates the need for unique left and right designations
Features &#38; Benefits - Bullet 4Mill balanced to reduce vibration
Grade TypePerformance
Features &#38; Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Height (Mm)58.2
Features &#38; Benefits - Bullet 1Match OE vane configuration for reduced brake wear and optimal cooling
Solid Or Vented Type RotorVented
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
MaterialCast Iron
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 6Vehicle pulls to the left or right when brakes are applied.
Height (In)2.3
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Chirping, grinding, or squeaking noises when braking.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3Difficulty stopping the vehicle.
Rust Resistant CoatingYes
SlottedYes
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 4A low or sinking brake pedal.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 5Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation.
Conventional Or Drum-In-Hat Type RotorConventional
Part FitmentDirect Fit
Nominal Thickness19.05
Faq - Question 2Do I have to replace my brake rotors after a certain amount of time?
Faq - Question 1Do I have to replace all my brake parts when replacing my brake rotors?
Vendor Part Number18A1214SD
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
