ACDelco
ACDelco 18A956 | Rear Disc Brake Rotor
Black Hat Rear Disc Brake RotorBRAND: ACDelcoFEATURES:Rear Brake RotorAbs Components;Brake;Brake Caliper;Brake Caliper Lubricant;brake care;Brake Fluid;Brake Pad;Brake Parts;Brake Rotor;Brake...
ABS Tone Ring Included | No |
ACD_RemanDes | No |
AltPA_127_mm | 18.542 |
AltPA_130_mm | 20.066 |
AltPA_143_mm | 139.7 |
AltPA_144_mm | 344.68 |
AltPA_25_mm | 344.7 |
AltPA_3070_mm | 78.7 |
AltPA_31_mm | 85.1 |
AltPA_7577_mm | 47.5 |
Bolt Hole Quantity | 6 |
Construction | Full Cast |
Disc Finish | Turned |
Discard Thickness | 0.73 |
FAQ - A3 | Do I have to replace all my brake parts when replacing my brake rotors? |
FAQ - A4 | Do I have to replace my brake rotors after a certain amount of time? |
FAQ - Q4 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
FAQ - Q5 | No, but it is a good idea to inspect your brake rotors at each tire rotation. |
FAQ Chart 1 | PL14_UC_SpecBrakes.jpg |
Features & Benefits - B1 | Match OE vane configuration for reduced brake wear and optimal cooling |
Features & Benefits - B2 | Damped iron metallurgy reduces noise and dissipates heat |
Features & Benefits - B3 | Non-directional rotation eliminates the need for unique left and right designations |
Features & Benefits - B4 | Mill balanced to reduce vibration |
Features & Benefits - B5 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
Features & Benefits - B6 | Premium aftermarket replacement part |
Features & Benefits - B7 | Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models |
Good Maintenance Practices - S1 B5 | The following inspections and maintenance procedures can help prevent potential brake problems: |
Good Maintenance Practices - S1 B6 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
Good Maintenance Practices - S1 B7 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
Good Maintenance Practices - S1 B8 | Inspect the brake lines for rust, punctures or visible leaks (You may be able to do this, but consult a qualified technician if necessary). |
Good Maintenance Practices - S1 B9 | Check the thickness of your brake pads. |
Good Maintenance Practices - S2 B5 | The following should be conducted by a qualified technician: |
Good Maintenance Practices - S2 B6 | Inspection of the brake hoses for brittleness or cracking. |
Good Maintenance Practices - S2 B7 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
Good Maintenance Practices - S2 B8 | Inspection of wheel bearings and grease seals. |
Good Maintenance Practices - S2 B9 | Parking brake adjustments (as needed). |
Grade Type | PERFORMANCE |
Hat Finish | Turned |
Height | 3.4 |
Length | 14.1 |
Material | Cast Iron |
Mkt_BrandQual_Name | Performance |
Mkt_State_Warranty_CA | 24 Months/40,000 KM (Parts Only). Please see ACDelcocanada.com for more details. |
Mkt_State_Warranty_US | 24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details. |
Nominal Thickness | 0.79 |
Outside Diameter | 13.6 |
Pad Contact Surface Width | 1.9 |
Product Description | ACDelco 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. |
Programming Required | NO |
Rust Resistant Coating | Yes |
Signs of Wear & Troubleshooting - S1 B10 | Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation. |
Signs of Wear & Troubleshooting - S1 B11 | Vehicle pulls to the left or right when brakes are applied. |
Signs of Wear & Troubleshooting - S1 B5 | Brake rotor signs of wear include: |
Signs of Wear & Troubleshooting - S1 B6 | Visible ridges on rotor surface. |
Signs of Wear & Troubleshooting - S1 B7 | Chirping, grinding, or squeaking noises when braking. |
Signs of Wear & Troubleshooting - S1 B8 | Difficulty stopping the vehicle. |
Signs of Wear & Troubleshooting - S1 B9 | A low or sinking brake pedal. |
Slotted | Yes |
Solid Or Vented Type Rotor | VENTED |
Surface Type | SMOOTH |
Vintage_Part_Indicator | N |
Weight | 21.7 |
Width | 14.1 |