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. ?
| ABS Sensor Ring Included | No |
| Bolt Circle Diameter (in) | 4.5 |
| Bolt Circle Diameter (mm) | 115 |
| Bolt Hole Quantity | 5 |
| Center Bore Diameter (in) | 2.9 in |
| Center Bore Diameter (mm) | 72.6 mm |
| Construction | Full Cast |
| Disc Finish | Turned |
| FAQ - Answer 1 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
| FAQ - Answer 2 | No, but it is a good idea to inspect your brake rotors at each tire rotation. |
| FAQ - Question 1 | Do I have to replace all my brake parts when replacing my brake rotors? |
| FAQ - Question 2 | Do I have to replace my brake rotors after a certain amount of time? |
| 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 | Performance |
| Hat Finish | Turned |
| Height (in) | 2.1 |
| Height (mm) | 54.6 |
| Length (in) | 14.1 |
| Material | Cast Iron |
| Overall Rotor Diameter (mm) | 345.19 mm |
| Programming Required | No |
| Rust Resistant Coating | Yes |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Visible ridges on rotor surface. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Chirping, grinding, or squeaking noises when braking. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Difficulty stopping the vehicle. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | A low or sinking brake pedal. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 6 | Vehicle pulls to the left or right when brakes are applied. |
| Signs of Wear & Troubleshooting - Section 1 - Header | Brake rotor signs of wear include: |
| Slotted | Yes |
| Solid Or Vented Type Rotor | Vented |
| Surface Type | Smooth |
| Weight (lb) | 22.7 |
| Width (in) | 14.1 |
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