





🚗 Upgrade your ride with brakes that perform as hard as you do!
The ACDelco Silver Rear Brake Rotor 18A2546A is a cast iron, vehicle-specific rear rotor engineered for select Honda and Acura models. Featuring multi-alloy construction and optimized vane configuration, it offers superior heat dissipation and reduced brake fade. Its non-directional finish minimizes noise and vibration, while the smooth surface extends brake pad life. Durable and easy to install, this rotor delivers reliable OEM-quality braking performance at an affordable price.










| ASIN | B007QBKM2C |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #46,149 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Brake Rotors |
| Brand | ACDelco |
| Customer Reviews | 4.4 4.4 out of 5 stars (523) |
| Date First Available | March 30, 2012 |
| Exterior Finish | Cast Iron |
| Global Trade Identification Number | 00707773846636 |
| Item Weight | 9.1 pounds |
| Item model number | 18A2546A |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 19255509 |
| Material | Cast Iron |
| Model | 18A2546A |
| OEM Part Number | 19255509 |
| Position | Rear |
| Product Dimensions | 12.3 x 12.3 x 2.3 inches |
| UPC | 707773846636 |
| Vehicle Service Type | Car, Sedan |
J**Y
Solid OEM-Quality Rear Rotors at a Great Price
I recently installed the ACDelco Silver 18A2546A Rear Disc Brake Rotors on my vehicle, and they’ve performed exactly as expected — smooth, quiet, and reliable. ACDelco is a trusted brand in the industry, and this rotor lives up to their reputation. Why I recommend them: • Direct Fit – Installation was seamless. These rotors matched the OEM specs perfectly and bolted right on with no issues. No need for modifications or adjustments. • Quiet Operation – Paired with ceramic pads, I’m getting super quiet stops with no squeaking or vibration. Everything feels balanced and solid. • Smooth Braking – The braking surface was clean and true right out of the box. After a quick bedding process, the stops are smooth and confident even during high-speed braking. • Durable Build – These rotors feel well-made and have held up great under daily driving conditions. No warping or discoloration after a few thousand miles. • Affordable Upgrade – For the price, these offer excellent value. Perfect for anyone needing reliable brake performance without paying premium OEM prices. Whether you’re doing a standard rear brake job or replacing worn factory rotors, the ACDelco Silver series is a great choice. I’d definitely buy again for my other vehicles.
M**M
Great price, good fit and so far so good
I haven't put any real miles on these rotors yet, but they were great in price. About half what would you pay for at the retail auto stores in person. Takes some time, as always to install, but fit as they should. Side note, and I didn't feel it was worth taking stars off of the review like others may, but I received a wrong rotor in my delivery (may have been a fulfillment issue). I ended up having to go to the auto parts store when the car was on the jack to get my other side. Just make sure you get what you need, which was my mistake. It's not really worth me going through the hassle of returning it, as, again, they were so cheap.
G**M
Brake
Great price, exceptional quality. Thickness is true to size. Functionality is just like another of this brand. Looks new with very little noise level.
R**N
Great price, worth the time.
So far, seems like a good product. They were a direct fit for my 2010 2.4L Accord Coupe rear. Time will tell if they’re quality or just another junky aftermarket rotor. For the price, take the chance, install yourself and form your own opinion. FYI they’re not coated with anti rust layer, so they will become rusty where they don’t contact the pad.
I**Y
great rotors, excellent fitment for my car
decent quality for money, no visible rust after 2 weeks, bedding with EBC Red Stuff pads are very smooth, very quite ride, good stopping power
M**E
Honda rotor
I bought these for my 2008 Honda Accord. I must say they were of exceptional quality. They were easy to install and provide great stopping power
T**E
No way to determine fitment or your year of vehicle - no dimensions or size listed
This items description is irritatingly vague, claiming to fit "select Honda Accords," while providing no way to determine which years it might fit. No dimensions or Years of cars that it does fit. It provides no useable or identifiable information to check fitment.
S**I
Exact fit brake rotors
Exact fit and reasonably priced.
L**N
Good replacement part ! Definitely less aggressive than slotted rotors, better for my pads' longevity. Thanks AcDelco
A**7
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