ACDelco 18A81945 - ROTOR ASM FRT BRK
$19149
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ACDELCO part description
Product Description
Front Brake Rotor
Product Attributes
| Discard Thickness | 1.516 IN |
| Nominal Thickness | 1.583 IN |
| Height (in) | 5.906 in |
| Bolt Circle Diameter (in) | 7.087 in |
| Bolt Hole Quantity | 8 |
| Lug Quantity | 8 |
| Inside Diameter | 10.055 IN |
| Outside Diameter | 13.976 IN |
| Discard Thickness | 38.5 MM |
| Nominal Thickness | 40.2 MM |
| Height (mm) | 150 mm |
| Bolt Circle Diameter (mm) | 180 mm |
| Inside Diameter | 255.4 MM |
| Outside Diameter | 355 MM |
| Mounting Bolt Hole Diameter | 0.64 IN |
| Features & Benefits - Bullet 3 | Protective micron-thin layer helps to inhibit environmental corrosion better than non-coated roated rotors; proved in up to 200 hours of industry-standard salt-spray testing |
| Product Description | ACDelco Gold (Professional) Fully Coated Disc Brake Rotors are the high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help slow the vehicle. 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 |
| 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 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 1 | COOL SHIELD coating - entire rotor surface including edges and vanes have baked-on zinc coating for durability and long lasting protection compared to uncoated |
| 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 2 | Coated rotors will remain cleaner longer than non-coated |
| 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. |
| Features & Benefits - Bullet 6 | Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models |
| Programming Required | No |
| Rust Resistant Coating | No |
| Slotted | No |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Features & Benefits - Bullet 5 | Premium aftermarket replacement part |
| Grade Type | Regular |
| Surface Type | Smooth |
| Features & Benefits - Bullet 4 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
| Center Hole Diameter | 130.05 MM |
| 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: |
| Solid Or Vented Type Rotor | Vented |
| Original Equipment Replacement | Yes |
| FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Vehicle pulls to the left or right when brakes are applied. |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Visible ridges or deep grooves on the rotor surface. |
| Material | Cast Iron |
| Disc Finish | Coated |
| Mounting Bolt Hole Circle Diameter | 7.087 IN |
| Mounting Bolt Hole Circle Diameter | 180 MM |
| Center Hole Diameter | 5.12 IN |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Mounting Bolt Hole Quantity | 8 |
| Overall Height | 5.906 IN |
| Overall Height | 150 MM |
| Stud/Lug Hole Quantity | 8 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Mounting Bolt Hole Diameter | 16.25 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 | 00808709585794 |
Fits Vehicles
- Chevrolet Silverado 3500 HD (2015-2019)
- GMC Sierra 3500 HD (2015-2019)
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.
California residents see Prop 65 Warning(s)
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