ACDelco® 18A2546A - Advantage™ Solid 1-Piece Rear Brake Rotor

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Product Details

Advantage™ Solid 1-Piece Rear Brake Rotor (18A2546A) by ACDelco®. Quantity: 1 Per Pack. ACDelco Advantage brake rotors and drums feature the fit, form and function of premium aftermarket brakes at a more economical price. The ACDelco Advantage line offers dependability, performance and great value – without sacrificing important features and benefits.


Rotor Design: Rotors Only
Rotor Construction: 1-Piece
Rotor Style: Plain
Rotor Material: Cast Iron
Rotor Finish: Non-Coated
Rotor Type: Solid
Rotor Vane Type: Non-Directional
Rotor Diameter: 282mm (11.1")
Rotor Height: 48.692mm (1.917")
Nominal Thickness: 8.992mm (0.354")
Minimum Thickness: 8.128mm (0.32")
Lug Holes Quantity: 5
Bolt Circle: 114.3mm (4.5")
Center Hole Diameter: 63.5mm (2.5")
Quantity: 1 Per Pack


  • No machining required – ready to be installed right out of the box
  • Mill-balanced for proper rotor function
  • Quality validated for proper metallurgy and correct brake plate thickness
  • Non-directional brake surface finish for consistent braking
  • Chamfer angle follows the OE design
  • 12-month/unlimited-mile warranty

ACDelco is here with excellent products that are available at a competitive price. The company does its utmost to provide the best possible solutions for your needs. All products by ACDelco are made with expert care and created by professionals to meet all your requirements. The company does not accept compromises when it is going about quality, so you can be sure that all products have only first-rate quality. With many years of manufacturing experience, ACDelco is the name you can trust.

ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products.

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Warranty Information

ACDelco warrants its products to be free from defects in materials or workmanship for a period of 1 year. The warranty period begins on the date the product is delivered. The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance. During the warranty period, ACDelco will repair or replace, at no charge, a product that is defective in materials or workmanship. ACDelco reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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Low Prices Price match guarantee
In-House Experts We know our products
Guaranteed Fitment Always the correct part
Easy Returns Quick & Hassle Free

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