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ACDELCO 18A682 Part Description
Rear Brake Rotor
ACDELCO 18A682 Specifications
Product Attributes
| Center Bore Diameter (in) | 0in |
| Center Bore Diameter (mm) | 0mm |
| Discard Thickness | 0.315 IN |
| Thickness (in) | 0.355 In |
| Nominal Thickness | 0.355 IN |
| Pad Contact Surface Width | 1.6 IN |
| Height (in) | 1.8 in |
| Bolt Circle Diameter (in) | 4.5 in |
| Bolt Hole Quantity | 5 |
| Number Of Lugs | 5 |
| Discard Thickness | 8 MM |
| Weight | 8.5 lb |
| Thickness (mm) | 9.017 mm |
| Center Hole Diameter | 68.05 MM |
| Outside Diameter | 10.15 IN |
| Width (in) | 11.2 in |
| Length (In) | 11.2 IN |
| Pad Contact Surface Width | 41.9 MM |
| Height (mm) | 46.5 mm |
| Overall Height | 1.83 IN |
| Bolt Circle Diameter (mm) | 114.3 mm |
| Pitch Circle Diameter (mm) | 114.3mm |
| Outside Diameter | 257.8 MM |
| Overall Rotor Diameter (mm) | 257.81mm |
| Mounting Bolt Hole Circle Diameter | 4.5 IN |
| Product Description | ACDelco Gold (Professional) Non-Coated Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. 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 |
| 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? |
| Construction | Full Cast |
| Disc Finish | Ground |
| 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 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. |
| Features & Benefits - Bullet 3 | Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models |
| Rust Resistant Coating | No |
| Includes ABS Sensor Ring | No |
| Slotted | No |
| Programming Required | No |
| Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
| Features & Benefits - Bullet 2 | Premium aftermarket replacement part |
| Grade Type | Regular |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Solid |
| Disc Brake Rotor Construction | Solid |
| Features & Benefits - Bullet 1 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
| 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. |
| FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors. |
| Mounting Bolt Hole Circle Diameter | 114.3 MM |
| Mounting Bolt Hole Diameter | 4.5 IN |
| Mounting Bolt Hole Diameter | 114.3 MM |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 9 MM |
| Center Hole Diameter | 2.68 IN |
| Overall Height | 46.5 MM |
| Stud/Lug Hole Quantity | 5 |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| 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 2 | DE |
| Country of Origin (Primary) | JP |
| Warranty Special UOM | TX |
| UPC | 00036666668865 |
ACDELCO 18A682 Cross References
| Brand | Part Number |
|---|---|
| ATE BRAKE PRODUCTS | 409147 |
ACDELCO 18A682 Fits Vehicles
- Nissan 240SX (1994-1998)
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ACDELCO 18A682 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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