No image available
Related Products
Rear Brake Rotor - ACDelco (18A2785AC)
2009-2023 ACDelco - 18A2785AC
Review Fitment & Product Details
Details
- Brand:
- SKU:
18A2785AC
- GTIN: 00808709340355
- UPC: 808709340355
- Other Names:
19327949
- Description: ACDelco Advantage Coated Disc Brake Rotors provide reliable vehicle braking power. Their robotic-applied, baked-on coating helps prevent brake pulsation, helps prevent the rotor from seizing to the hub, and provides superior rust prevention against harsh environmental elements such as rain, snow, and corrosive road sprays. They feature a non-directional ground finish that helps to extend brake pad life and minimizes thickness variation. They are also ready to be installed right out of the box, with no machining required. These dependable aftermarket Advantage Coated Disc Brake Rotors offer quality at an economical price. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
disc-brake-rotor;rotor;brake-rotor;disc-brake; - Condition: New
Pricing is valid online only and may vary in your local store
Vehicle Fitment
Vehicle Fitment
Key Product Information
Additional Information
| Brand | ACDelco Advantage |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Bolt Circle Diameter (in) | 4.409 |
| Bolt Circle Diameter (mm) | 112 |
| Bolt Hole Quantity | 5 |
| Center Hole Diameter | 65 2.56 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Disc Finish | Non Directional |
| Discard Thickness | 0.314 8 |
| FAQ - Answer 1 | Yes, ACDelco also offers GM OE brake rotors and Professional brake rotors. |
| FAQ - Question 1 | Does ACDelco offer other grades of brake rotors? |
| Features & Benefits - Bullet 1 | Manufactured with multiple alloys for improved heat dissipation and performance |
| Features & Benefits - Bullet 2 | Mill-balanced for proper rotor function; no extra weights needed |
| Features & Benefits - Bullet 3 | Quality validated for proper metallurgy and correct brake plate thickness |
| Features & Benefits - Bullet 4 | Rounded radius for added strength |
| Grade Type | Regular |
| Hat Finish | Plain |
| Height (in) | 1.9 |
| Height (mm) | 48.3 |
| Inside Diameter | 6.875 174.65 |
| Length (in) | 12.4 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 4.409 112 |
| Mounting Bolt Hole Diameter | 15.35 0.605 |
| Mounting Bolt Hole Quantity | 5 |
| Nominal Thickness | 0.39 9.9 |
| Outside Diameter | 10.7 271.8 |
| Overall Height | 1.92 48.75 |
| Pad Contact Surface Width | 2.2 56.5 |
| Programming Required | No |
| Rust Resistant Coating | Yes |
| 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. |
| Slotted | No |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Weight (lb) | 8.8 |
| Width (in) | 11.6 |
Features and Benefits
Interchange
Interchange
Policies
Policies
Product Reviews
Product Reviews
Brand
ACDelco
AC Delco Auto Parts – OEM Quality at AutoNationParts.com
AC Delco is a trusted provider of automotive parts known for precision-engineered components that deliver reliability, performance, and longevity. Whether you’re performing routine maintenance or upgrading your vehicle, all AC Delco parts are available at AutoNationParts.com, your go-to source for genuine automotive components.
Featured Product: AC Delco PF48F Engine Oil Filter
Keep your engine running clean and protected with the AC Delco PF48F Engine Oil Filter. Known for its broad compatibility and dependable performance, the PF48F is one of the most commonly searched AC Delco part numbers for routine maintenance. It traps contaminants and protects your engine, helping extend component life and maintain optimal performance under everyday driving conditions.
What types of AC Delco parts are available?
- Engine Components: Oil filters, gaskets, belts, timing components, fuel system parts, and more
- Brake System Parts: Brake pads, rotors, calipers, and complete kits
- Electrical Components: Batteries, alternators, sensors, starters, and wiring harnesses
- Suspension & Steering Parts: Shocks, struts, control arms, stabilizers, and steering components
- Performance Upgrades: Components designed to enhance horsepower, handling, and overall performance
Are AC Delco parts OEM or aftermarket?
AC Delco parts are OEM or OEM-equivalent, meeting or exceeding manufacturer specifications for proper fit, reliability, and performance.
Why choose AC Delco replacement parts?
AC Delco replacement parts are engineered for durability, safety, and reliability. They are suitable for professional mechanics and DIY enthusiasts. Purchase directly from AutoNationParts.com for genuine parts and expert support.
Can AC Delco performance parts enhance my vehicle?
Yes. AC Delco performance components are designed to improve power, throttle response, handling, and overall driving experience, including high-performance brakes, reinforced suspension, and drivetrain upgrades.
What makes AC Delco a trusted brand?
- OEM Quality: Parts built to meet or exceed original manufacturer specifications
- Reliability: Long-lasting performance for everyday use
- Wide Selection: Parts for many makes, models, and systems
- Expert Support: Decades of automotive experience
How do I find the right AC Delco part?
Search by your vehicle’s make, model, year, or AC Delco part number at AutoNationParts.com to ensure accurate fitment and performance.
Do AC Delco parts come with warranties?
Yes. Most AC Delco parts include manufacturer warranties to guarantee quality and performance.
Where can I buy AC Delco parts?
AC Delco parts are available exclusively at AutoNationParts.com. Shop directly for genuine parts, fast delivery, and expert support.
Store
AutoNationParts.com
OEM & Aftermarket Auto Parts Online – Fast 2-Day Shipping
Find high-quality OEM and aftermarket auto parts at AutoNationParts.com. Our online auto parts store offers genuine factory replacement parts and trusted aftermarket brands for a wide range of vehicles. Whether you're repairing, maintaining, or upgrading your vehicle, we make it easy to buy auto parts online with fast nationwide delivery.
With strategically located distribution centers across the United States, most orders arrive in 2 days or less. Shop confidently knowing you're getting reliable parts that match your vehicle’s specifications.
Featured Product: Genuine OEM Brake Pads – 18A2785AC
Upgrade your vehicle’s braking system with Genuine OEM Brake Pads 18A2785AC. These pads are engineered to provide superior stopping power, long-lasting performance, and quiet operation. Ideal for everyday driving or highway use. Shop this and other brake components at AutoNationParts.com for guaranteed fitment and fast delivery.
OEM Auto Parts for Your Vehicle
OEM (Original Equipment Manufacturer) auto parts are designed by the same manufacturer that built your vehicle. These genuine parts ensure perfect compatibility, performance, and durability.
- Exact fit for your vehicle’s make and model
- Reliable factory-level performance
- Helps maintain manufacturer warranty
- Built to original engineering standards
Affordable Aftermarket Auto Parts
Our selection of aftermarket auto parts provides cost-effective alternatives without compromising quality. These parts are produced by trusted manufacturers and often offer excellent value for replacement, repair, or performance upgrades.
- Competitive pricing compared to OEM parts
- Wide variety of trusted aftermarket brands
- Great for repairs, upgrades, or performance enhancements
- Large inventory of replacement vehicle parts
Browse our full selection of auto part categories to find the components you need.
Fast Nationwide Shipping
We ship auto parts from a nationwide distribution network, allowing us to deliver parts quickly across the United States. Many orders arrive within two business days.
- Chicago – Midwest distribution hub
- Atlanta – Southeast shipping center
- Houston – Texas regional distribution
- Los Angeles – Southern California coverage
- Miami – Florida and East Coast delivery
Why Buy Auto Parts from AutoNation Parts
- Extensive inventory of OEM and aftermarket auto parts
- Fast nationwide 2-day shipping on many items
- Trusted automotive retailer
- Easy online ordering and secure checkout
- Reliable replacement parts for many vehicle brands
Shop AutoNation Parts Online today and get the auto parts you need delivered quickly and reliably.
Frequently Asked Questions
What are OEM auto parts?
OEM auto parts are original parts made by the vehicle’s manufacturer. They are designed to meet the exact specifications of your vehicle and ensure the best fit and performance.
Are aftermarket auto parts reliable?
Many aftermarket auto parts are manufactured by reputable companies and provide excellent performance at a more affordable price than OEM parts.
How fast is shipping?
Most orders ship from our U.S. distribution centers and arrive within approximately two business days depending on your location.
Can I buy car parts online for any vehicle?
Yes. Our online auto parts catalog includes a wide range of parts designed for many vehicle makes and models.