ACDelco®Verified to fit 36 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2017 Buick EnclaveRear | — | V6 3.6L | Note: Material Cast Iron |
| 2017 Chevrolet TraverseRear | — | V6 3.6L | Note: Material Cast Iron |
| 2017 GMC AcadiaRear | — | L4 2.5L | Note: Material Cast Iron |
| 2017 GMC AcadiaRear | — | V6 3.6L | Note: Material Cast Iron |
| 2017 GMC Acadia LimitedRear | — | V6 3.6L | Note: Material Cast Iron|325mm Front Disc |
| 2016 Buick EnclaveRear | — | V6 3.6L | Note: Material Cast Iron |
| 2016 Chevrolet TraverseRear | — | V6 3.6L | Note: Material Cast Iron |
| 2016 GMC AcadiaRear | — | V6 3.6L | Note: Material Cast Iron |
| 2015 Buick EnclaveRear | — | V6 3.6L | Note: Material Cast Iron |
| 2015 Chevrolet TraverseRear | — | V6 3.6L | Note: Material Cast Iron |
| 2015 GMC AcadiaRear | — | V6 3.6L | Note: Material Cast Iron |
| 2014 Buick EnclaveRear | — | V6 3.6L | Note: Material Cast Iron |
| 2014 Chevrolet TraverseRear | — | V6 3.6L | Note: Material Cast Iron |
| 2014 GMC AcadiaRear | — | V6 3.6L | Note: Material Cast Iron |
| 2013 Buick EnclaveRear | — | V6 3.6L | Note: Material Cast Iron |
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Guaranteed to fitFits your vehicle or we pay the return. Learn more
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Free Returns if it doesn't fitRead Details
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
AutoBuffy 24-month guaranteeCovered on this part, unlimited miles. Learn more
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
4.9/5 ratingFrom 19,069 verified customers. Learn more
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.
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AC Delco Silver Rear Brake Rotor 18A2543A
Guaranteed fit or free return
AC Delco Silver Rear Brake Rotor 18A2543A
In stock· ships today
FREE shipping · Get it by Sat, Oct 17
Delivering to your area ·
FREE delivery between Sat, Oct 17 to Sat, Oct 17
Ships To:Key Features
About This Disc Brake Rotor
This ACDelco automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
ACDelco
Trusted Automotive Brand
ACDelco is a trusted manufacturer of quality automotive parts.
View all ACDelco productsInstallation Guide
Tools Needed
Frequently Asked Questions
The ACDelco Disc Brake Rotor (18A2543A) is a direct-fit replacement for 2007-2017 GMC, Buick, Chevrolet and 1 other make. UPC 707773846629. In stock and ships free.
About This Product
Disc Brake Rotor
The ACDelco Disc Brake Rotor (18A2543A) is a direct-fit replacement for 2007-2017 GMC, Buick, Chevrolet and 1 other make. UPC 707773846629. In stock and ships free.
This ACDelco automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection
Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.