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Product Details

ACDelco Parts and Accessories

Advantage™ Vented 1-Piece Front Brake Rotor (18A61A) 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: Vented
Rotor Vane Type: Directional
Rotor Diameter: 317.5mm (12.5")
Rotor Height: 71.12mm (2.8")
Nominal Thickness: 32.893mm (1.295")
Minimum Thickness: 30.861mm (1.215")
Lug Holes Quantity: 8
Bolt Circle: 165.1mm (6.5")
Center Hole Diameter: 129.54mm (5.1")
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.

Part Number:

Warranty Information

ACDelco warrants that its Products will be free from defects in material and workmanship for 12-month/unlimited-mile from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, or alterations.

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

Vehicle Fitment

Chevy CK Pickup
1987 Chevy V20
1986 Chevy K20
1985 Chevy K20
1984 Chevy K20
1983 Chevy K20
1982 Chevy K20
1981 Chevy K20
1980 Chevy K20
1979 Chevy K20
1978 Chevy K20
1977 Chevy K20
1976 Chevy K20
1975 Chevy K20
1974 Chevy K20 Pickup
1973 Chevy K20 Pickup
1972 Chevy K20 Pickup
1971 Chevy K20 Pickup
Chevy Suburban
1991 Chevy V2500 Suburban
1990 Chevy V2500 Suburban
1989 Chevy V2500 Suburban
1988 Chevy V20 Suburban
1987 Chevy V20 Suburban
1986 Chevy K20 Suburban
1985 Chevy K20 Suburban
1984 Chevy K20 Suburban
1983 Chevy K20 Suburban
1982 Chevy K20 Suburban
1981 Chevy K20 Suburban
1980 Chevy K20 Suburban
1979 Chevy K20 Suburban
1978 Chevy K20 Suburban
1977 Chevy K20 Suburban
1976 Chevy K20 Suburban
1975 Chevy K20 Suburban
1974 Chevy K20 Suburban
1973 Chevy K20 Suburban
1972 Chevy K20 Suburban
1971 Chevy K20 Suburban
GMC CK Pickup
1987 GMC V2500
1986 GMC K2500
1985 GMC K2500
1984 GMC K2500
1983 GMC K2500
1982 GMC K2500
1981 GMC K2500
1980 GMC K2500
1979 GMC K2500
1978 GMC K25
1977 GMC K25
1976 GMC K25
1975 GMC K25
1974 GMC K25/K2500 Pickup
1973 GMC K25/K2500 Pickup
1972 GMC K25/K2500 Pickup
1971 GMC K25/K2500 Pickup
GMC P-Series
1973 GMC P35/P3500 Van
  • With 11000 Lbs. Axle
1972 GMC P35/P3500 Van
  • With 11000 Lbs. Axle
1971 GMC P35/P3500 Van
  • With 11000 Lbs. Axle
GMC Suburban
1991 GMC V2500 Suburban
1990 GMC V2500 Suburban
1989 GMC V2500 Suburban
1988 GMC V2500 Suburban
1987 GMC V2500 Suburban
1986 GMC K2500 Suburban
1985 GMC K2500 Suburban
1984 GMC K2500 Suburban
1983 GMC K2500 Suburban
1982 GMC K2500 Suburban
1981 GMC K2500 Suburban
1980 GMC K2500 Suburban
1979 GMC K2500 Suburban
1978 GMC K25 Suburban
1977 GMC K25 Suburban
1976 GMC K25 Suburban
1975 GMC K25 Suburban
1974 GMC K25/K2500 Suburban
1973 GMC K25/K2500 Suburban
1972 GMC K25/K2500 Suburban
1971 GMC K25/K2500 Suburban
Jeep J-Series
1988 Jeep J20
1987 Jeep J20
1986 Jeep J20
1985 Jeep J20
1984 Jeep J20
1983 Jeep J20
1982 Jeep J20
1981 Jeep J20
1980 Jeep J20
  • With Drive Flange Bolted To Hub
1979 Jeep J20
  • With Drive Flange Bolted To Hub
1978 Jeep J20
  • With Drive Flange Bolted To Hub
1977 Jeep J20
  • With Drive Flange Bolted To Hub
1976 Jeep J20
  • With Drive Flange Bolted To Hub
1975 Jeep J20
  • With Drive Flange Bolted To Hub
1974 Jeep J20
  • With Drive Flange Bolted To Hub

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It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.