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(888) 312-8812 Login SignupACDELCO 18A81045 Disc Brake Rotor - 5 Lug Holes, Cast Iron, Plain, Turned Ground, Vented, Rear
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$8599
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In Stock
Get it by Thursday, Jul 23
ACDELCO 18A81045 Part Description
Gold™ Disc Brake Rotor - Rear, Vented
ACDELCO 18A81045 Specifications
Product Attributes
| Center Hole Diameter | 71.12mm (2.8 in.) |
| BOLT CIRCLE | 114.3mm (4.5 in.) |
| Lug Holes Quantity | 5 |
| Lug Holes Quantity | 5 |
| 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 | 315mm (12.4 in.) |
| Rotor Diameter | 315mm (12.4 in.) |
| Rotor Finish | Turned Ground |
| Rotor Finish | Turned Ground |
| Rotor Height | 48.26mm (1.9 in.) |
| Rotor Height | 48.26mm (1.9 in.) |
| Rotor Material | Cast Iron |
| Rotor Material | Cast Iron |
| Rotor Style | Plain |
| Rotor Style | Plain |
| Rotor type | Vented |
| Rotor type | Vented |
| Pad Contact Surface Width | 1.5 IN |
| Height (in) | 1.9 in |
| Center Bore Diameter (in) | 2.8in |
| Bolt Circle Diameter (in) | 4.5 in |
| Bolt Hole Quantity | 5 |
| Nominal Thickness | 23.15 MM |
| Width (in) | 13 in |
| Length (In) | 13.8 IN |
| Weight | 16.8 lb |
| Pad Contact Surface Width | 39.2 MM |
| Height (mm) | 48.1 mm |
| Center Bore Diameter (mm) | 70.8mm |
| Bolt Circle Diameter (mm) | 115 mm |
| Outside Diameter | 315.1 MM |
| Inside Diameter | 236.65 MM |
| 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. |
| 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? |
| Construction | Full Cast |
| Center Hole Diameter | 2.786 IN |
| 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 |
| Slotted | No |
| Rust Resistant Coating | 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 |
| 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 |
| Solid Or Vented Type Rotor | Vented |
| 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. |
| Disc Finish | Coated |
| Discard Thickness | 0.827 IN |
| Discard Thickness | 21 MM |
| Inside Diameter | 9.318 IN |
| Center Hole Diameter | 70.75 MM |
| Mounting Bolt Hole Circle Diameter | 4.528 IN |
| Mounting Bolt Hole Circle Diameter | 115 MM |
| Mounting Bolt Hole Diameter | 0.551 IN |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.912 IN |
| Mounting Bolt Hole Diameter | 14 MM |
| Outside Diameter | 12.406 IN |
| Overall Height | 1.894 IN |
| Overall Height | 48.1 MM |
| Stud/Lug Hole Quantity | 5 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| ABS Tone Ring Included | No |
Additional Information
| Warranty Special | 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|24 Months/40,000 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 | 00808709303800 |
ACDELCO 18A81045 Fits Vehicles
- Cadillac ATS (2013-2019)
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ACDELCO 18A81045 Manufacturer Information
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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