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ACDelco 18A2820 - Disc Brake Rotor - 5 Lug Holes, Cast Iron, Plain, Solid, Turned Ground, Rear
$6449
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ACDELCO part description
Gold™ Disc Brake Rotor - Rear, Solid
Product Description
Rear Brake Rotor
Product Attributes
| Nominal Thickness | 10.008mm (0.394 in.) |
| Center Hole Diameter | 76.2mm (3 in.) |
| BOLT CIRCLE | 114.3mm (4.5 in.) |
| Lug Holes Quantity | 5 |
| Lug Holes Quantity | 5 |
| Minimum Thickness | 8.407mm (0.331 in.) |
| Minimum Thickness | 8.407mm (0.331 in.) |
| Quantity | 1 Per Pack |
| Quantity | 1 Per Pack |
| Rotor Construction | 1-Piece |
| Rotor Construction | 1-Piece |
| Rotor Design | Rotors Only |
| Rotor Design | Rotors Only |
| Rotor Diameter | 284.5mm (11.2 in.) |
| Rotor Finish | Turned Ground |
| Rotor Finish | Turned Ground |
| Rotor Height | 55.88mm (2.2 in.) |
| Rotor Material | Cast Iron |
| Rotor Material | Cast Iron |
| Rotor Style | Plain |
| Rotor Style | Plain |
| Rotor type | Solid |
| Rotor type | Solid |
| Center Hole Diameter | 75.95 MM |
| Nominal Thickness | 0.394 IN |
| Pad Contact Surface Width | 1.9 IN |
| Height (in) | 2.2 in |
| Center Bore Diameter (in) | 3in |
| Bolt Circle Diameter (in) | 4.5 in |
| Bolt Hole Quantity | 5 |
| Discard Thickness | 8.4 MM |
| Weight | 10.7 lb |
| Mounting Bolt Hole Diameter | 0.495 IN |
| Width (in) | 12.3 in |
| Length (In) | 12.3 IN |
| Pad Contact Surface Width | 49.35 MM |
| Height (mm) | 55.4 mm |
| Center Bore Diameter (mm) | 76mm |
| Bolt Circle Diameter (mm) | 114.3 mm |
| Overall Rotor Diameter (mm) | 283.97mm |
| Outside Diameter | 284 MM |
| Discard Thickness | 0.331 IN |
| Product Description | ACDelco 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 |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Brake pedal pulsation (not to be confused with normal ABS operation). |
| Signs of Wear & Troubleshooting - Section 1 - Header | Brake rotor signs of wear include: |
| Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
| Material | Cast Iron |
| 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 4 | Check the thickness of your brake pads. |
| FAQ - Question 1 | Does ACDelco offer other grades of brake rotors? |
| Features & Benefits - Bullet 3 | Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while reducing noise and vibration |
| Construction | Full Cast |
| Disc Finish | Ground |
| Features & Benefits - Bullet 2 | Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products |
| 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). |
| Features & Benefits - Bullet 1 | Inspected for balance; resulting in smooth brake operation and noise reduction |
| 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 1 | Inspection of the brake hoses for brittleness or cracking. |
| Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Low brake pedal height. |
| Programming Required | No |
| Slotted | No |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Grade Type | Regular |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Solid |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Squealing or grinding noises. |
| Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
| Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
| Hat Finish | Turned |
| 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. |
| Rust Resistant Coating | Yes |
| FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
| Inside Diameter | 7.295 IN |
| Inside Diameter | 185.3 MM |
| Mounting Bolt Hole Circle Diameter | 4.5 IN |
| Mounting Bolt Hole Circle Diameter | 114.3 MM |
| Center Hole Diameter | 2.99 IN |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 10 MM |
| Outside Diameter | 11.181 IN |
| Overall Height | 2.181 IN |
| Overall Height | 55.4 MM |
| Stud/Lug Hole Quantity | 5 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Mounting Bolt Hole Diameter | 12.55 MM |
| ABS Tone Ring Included | No |
Additional Information
| Warranty Special | 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|36 Months/60,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details |
| Harmonized Tariff Code (HTS) | 8708305030 |
| Country of Origin (Primary) | CN |
| Warranty Special UOM | TX |
| UPC | 00707773952450 |
A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.
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