ACDelco
ACDelco 18A81032A | Rear Disc Brake Rotor
ACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver...
ACDelco Gold (Professional) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. 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 Gold (Professional) Disc Brake Rotors are ready to be installed right out of the box. 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. ?
ABS Sensor Ring Included | No |
Bolt Hole Quantity | 6 |
Construction | Full Cast |
FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
FAQ - Question 1 | Does ACDelco offer other grades of brake rotors? |
Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
Good Maintenance Practices - Section 1 - Bullet 3 | 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 - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
Grade Type | Regular |
Height (in) | 4.1 |
Length (in) | 13.8 |
Lug Quantity | 6 |
Material | Cast Iron |
Programming Required | No |
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Vehicle pulls to the left or right when brakes are applied. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Visible ridges or deep grooves on the rotor surface. |
Slotted | No |
Solid Or Vented Type Rotor | Vented |
Surface Type | Smooth |
Weight (lb) | 22.38 |
Width (in) | 13.8 |