ACDelco Rear Brake Rotor 18A2546A Cast Iron Vehicle Specific Fit

Description

Product Overview

The ACDelco rear brake rotor 18A2546A is engineered from high‑quality cast iron to provide robust performance for cars and sedans. Designed as a vehicle‑specific fit, it matches the exact dimensions of popular models such as Honda Civic, Accord, Acura TSX and ILX. Rounded radius edges increase structural strength under high heat, while the non‑directional ground finish reduces noise, vibration and harshness. Dimensions are 12.3 x 12.3 x 2.3 inches and it weighs 9.1 pounds, ensuring easy installation and reliable operation.

Usage

This rear rotor is ideal for everyday driving, city commuting, and highway cruising. It fits seamlessly into the brake system of compatible vehicles, delivering consistent stopping power in various conditions, from wet roads to heavy traffic stops. Pair it with ACDelco rear brake pads for optimal performance and extended component life.

Why Choose Us

Choosing ACDelco means trusting a brand with decades of automotive expertise. Each rotor undergoes strict quality control to meet OEM specifications, ensuring a perfect fit and reliable durability. Our multi‑alloy construction and vane‑optimized design promote superior heat dissipation, minimizing brake fade. Backed by a solid warranty and responsive customer support, you receive peace of mind with every purchase.

Key Features

• Cast‑iron construction provides long‑lasting strength and heat resistance.
• Rounded edges reduce noise and vibration for a smoother ride.
• Vehicle‑specific fit guarantees easy installation and perfect alignment.
• Optimized design improves cooling, preventing brake fade under heavy use.
• Supported by ACDelco customer service and warranty for added confidence.

FAQ

Is this rotor compatible with my Honda Civic?

Yes, the 18A2546A rotor is listed as compatible with several Honda Civic model years. Verify your VIN to ensure an exact match.

Do I need to replace the brake pads when installing this rotor?

While not mandatory, pairing the new rotor with ACDelco rear brake pads maximizes performance and extends pad life.

What is the warranty coverage?

ACDelco offers a limited warranty that covers manufacturing defects for a specified period; contact support for details.

Can I install this rotor myself?

Yes, if you have basic mechanical tools and follow the vehicle’s service manual, installation is straightforward.

How does the rounded edge design benefit me?

The rounded edges increase structural integrity under high heat and help dampen noise, resulting in a quieter, more durable braking experience.