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ACDELCO 18A657 Part Description
ACDELCO 18A657 Specifications
Product Attributes
| Discard Thickness | 9.5 MM |
| Discard Thickness | 0.374 IN |
| Pad Contact Surface Width | 1.5 IN |
| Height (in) | 2.3 in |
| Center Bore Diameter (in) | 2.8in |
| Bolt Circle Diameter (in) | 4.5 in |
| Bolt Hole Quantity | 5 |
| Mounting Bolt Hole Circle Diameter | 4.5 IN |
| Mounting Bolt Hole Diameter | 15.45 MM |
| Nominal Thickness | 0.43 IN |
| Pad Contact Surface Width | 37.45 MM |
| Height (mm) | 59.2 mm |
| Center Bore Diameter (mm) | 72mm |
| Bolt Circle Diameter (mm) | 114.3 mm |
| Overall Rotor Diameter (mm) | 284.98mm |
| Outside Diameter | 285 MM |
| Mounting Bolt Hole Circle Diameter | 114.3 MM |
| Product Description | ACDelco Gold (Professional) Black Hat 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 |
| Material | Cast Iron |
| Construction | Full Cast |
| Disc Finish | Ground |
| Features & Benefits - Bullet 3 | 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 |
| Features & Benefits - Bullet 2 | Premium aftermarket replacement part |
| Grade Type | Regular |
| Surface Type | Smooth |
| Outside Diameter | 11.22 IN |
| Features & Benefits - Bullet 1 | Some ACDelco Gold parts may have formerly appeared as ACDelco Professional |
| Hat Finish | Turned |
| Rust Resistant Coating | Yes |
| Mounting Bolt Hole Diameter | 0.609 IN |
| Mounting Bolt Hole Quantity | 5 |
| Center Hole Diameter | 71.9 MM |
| Nominal Thickness | 10.9 MM |
| Center Hole Diameter | 2.83 IN |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Overall Height | 59.2 MM |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 5 |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Overall Height | 2.33 IN |
| 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 | 00707773320976 |
ACDELCO 18A657 Cross References
ACDELCO 18A657 Fits Vehicles
- Jeep Grand Wagoneer (1993)
- Jeep Grand Cherokee (1994-1998)
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ACDELCO 18A657 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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