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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Disc Brake Rotor – Front

PART#: 18A559
ACDelco

$57.95

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1997BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1997BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1997ChevroletCamaroRS3.8V6GASFrontReplaces 18027966 | RWD;
1997ChevroletCamaroZ285.7V8GASFrontReplaces 18027966 | RWD;
1997ChevroletCamaroBase3.8V6GASFrontReplaces 18027966 | RWD;
1997Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1997Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1997OldsmobileLSSBase3.8V6GASFrontReplaces 18027966 | FWD;
1997OldsmobileRegencyBase3.8V6GASFrontReplaces 18027966 | FWD;
1997PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1997PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1997PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1997PontiacFirebirdBase3.8V6GASFrontReplaces 18027966 | RWD;
1997PontiacFirebirdTrans Am5.7V8GASFrontReplaces 18027966 | RWD;
1997PontiacFirebirdFormula5.7V8GASFrontReplaces 18027966 | RWD;
1996BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1996BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1996BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1996BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1996BuickRivieraBase3.8V6GASFrontReplaces 18027966 | FWD;
1996CadillacDeVilleConcours4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacDeVilled'Elegance4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacDeVilleBase4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacEldoradoBase4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacEldoradoETC4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacSevilleSLS4.6V8GASFrontReplaces 18027966 | FWD;
1996CadillacSevilleSTS4.6V8GASFrontReplaces 18027966 | FWD;
1996ChevroletCamaroBase3.8V6GASFrontReplaces 18027966 | RWD;
1996ChevroletCamaroRS3.8V6GASFrontReplaces 18027966 | RWD;
1996ChevroletCamaroZ285.7V8GASFrontReplaces 18027966 | RWD;
1996ChevroletLumina APVBase3.4V6GASFrontReplaces 18027966 | FWD;
1996ChevroletLumina APVLS3.4V6GASFrontReplaces 18027966 | FWD;
1996Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1996OldsmobileAuroraBase4.0V8GASFrontReplaces 18027966 | FWD;
1996Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1996Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1996OldsmobileLSSBase3.8V6GASFrontReplaces 18027966 | FWD;
1996OldsmobileSilhouetteBase3.4V6GASFrontReplaces 18027966 | FWD;
1996PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1996PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1996PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1996PontiacFirebirdBase3.8V6GASFrontReplaces 18027966 | RWD;
1996PontiacFirebirdFormula5.7V8GASFrontReplaces 18027966 | RWD;
1996PontiacFirebirdTrans Am5.7V8GASFrontReplaces 18027966 | RWD;
1996PontiacTrans SportBase3.4V6GASFrontReplaces 18027966 | FWD;
1995BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1995BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1995BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1995BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1995BuickRivieraBase3.8V6GASFrontReplaces 18027966 | FWD;
1995CadillacDeVilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1995CadillacDeVilleConcours4.6V8GASFrontReplaces 18027966 | FWD;
1995CadillacEldoradoETC4.6V8GASFrontReplaces 18027966 | FWD;
1995CadillacEldoradoBase4.6V8GASFrontReplaces 18027966 | FWD;
1995CadillacSevilleSLS4.6V8GASFrontReplaces 18027966 | FWD;
1995CadillacSevilleSTS4.6V8GASFrontReplaces 18027966 | FWD;
1995ChevroletCamaroBase3.4V6GASFrontReplaces 18027966 | RWD;
1995ChevroletCamaroZ285.7V8GASFrontReplaces 18027966 | RWD;
1995ChevroletCamaroBase3.8V6GASFrontReplaces 18027966 | RWD;
1995ChevroletLumina APVBase3.8V6GASFrontReplaces 18027966 | FWD;
1995ChevroletLumina APVBase3.1V6GASFrontReplaces 18027966 | FWD;
1995ChevroletLumina APVLS3.1V6GASFrontReplaces 18027966 | FWD;
1995ChevroletLumina APVLS3.8V6GASFrontReplaces 18027966 | FWD;
1995Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1995OldsmobileAuroraBase4.0V8GASFrontReplaces 18027966 | FWD;
1995Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1995Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1995Oldsmobile88Royale LSS3.8V6GASFrontReplaces 18027966 | FWD;
1995OldsmobileSilhouetteBase3.8V6GASFrontReplaces 18027966 | FWD;
1995PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1995PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1995PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1995PontiacFirebirdBase3.4V6GASFrontReplaces 18027966 | RWD;
1995PontiacFirebirdFormula5.7V8GASFrontReplaces 18027966 | RWD;
1995PontiacFirebirdBase3.8V6GASFrontReplaces 18027966 | RWD;
1995PontiacFirebirdTrans Am5.7V8GASFrontReplaces 18027966 | RWD;
1995PontiacTrans SportBase3.1V6GASFrontReplaces 18027966 | FWD;
1995PontiacTrans SportBase3.8V6GASFrontReplaces 18027966 | FWD;
1994BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1994BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1994BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1994BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1994CadillacDeVilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1994CadillacDeVilleConcours4.6V8GASFrontReplaces 18027966 | FWD;
1994CadillacEldoradoBase4.6V8GASFrontReplaces 18027966 | FWD;
1994CadillacEldoradoTouring4.6V8GASFrontReplaces 18027966 | FWD;
1994CadillacSevilleSLS4.6V8GASFrontReplaces 18027966 | FWD;
1994CadillacSevilleSTS4.6V8GASFrontReplaces 18027966 | FWD;
1994ChevroletCamaroBase3.4V6GASFrontReplaces 18027966 | RWD;
1994ChevroletCamaroZ285.7V8GASFrontReplaces 18027966 | RWD;
1994ChevroletLumina APVLS3.8V6GASFrontReplaces 18027966 | FWD;
1994ChevroletLumina APVBase3.1V6GASFrontReplaces 18027966 | FWD;
1994ChevroletLumina APVLS3.1V6GASFrontReplaces 18027966 | FWD;
1994ChevroletLumina APVBase3.8V6GASFrontReplaces 18027966 | FWD;
1994Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1994Oldsmobile98Regency3.8V6GASFrontReplaces 18027966 | FWD;
1994Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1994Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1994OldsmobileSilhouetteBase3.1V6GASFrontReplaces 18027966 | FWD;
1994OldsmobileSilhouetteBase3.8V6GASFrontReplaces 18027966 | FWD;
1994PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1994PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1994PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1994PontiacFirebirdBase3.4V6GASFrontReplaces 18027966 | RWD;
1994PontiacFirebirdTrans Am GT5.7V8GASFrontReplaces 18027966 | RWD;
1994PontiacFirebirdTrans Am5.7V8GASFrontReplaces 18027966 | RWD;
1994PontiacFirebirdFormula5.7V8GASFrontReplaces 18027966 | RWD;
1994PontiacTrans SportBase3.8V6GASFrontReplaces 18027966 | FWD;
1994PontiacTrans SportBase3.1V6GASFrontReplaces 18027966 | FWD;
1993BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1993BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1993BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1993BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1993BuickRivieraLuxury3.8V6GASFrontReplaces 18027966 | FWD;
1993CadillacAllanteBase4.6V8GASFrontReplaces 18027966 | FWD;
1993CadillacAllanteIndianapolis 500 Pace Car4.6V8GASFrontReplaces 18027966 | FWD;
1993CadillacAllanteValue Leader4.6V8GASFrontReplaces 18027966 | FWD;
1993CadillacDeVilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1993CadillacDeVilleTouring4.9V8GASFrontReplaces 18027966 | FWD;
1993CadillacEldoradoBase4.9V8GASFrontReplaces 18027966 | FWD;
1993CadillacEldoradoSport4.6V8GASFrontReplaces 18027966 | FWD;
1993CadillacEldoradoTouring4.6V8GASFrontReplaces 18027966 | FWD;
1993Cadillac60 SpecialBase4.9V8GASFrontReplaces 18027966 | FWD;
1993CadillacCommercial ChassisBase4.9V8GASFrontReplaces 18027966 | FWD;
1993CadillacSevilleSTS4.6V8GASFrontReplaces 18027966 | FWD;
1993CadillacSevilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1993ChevroletCamaroBase3.4V6GASFrontReplaces 18027966 | RWD;
1993ChevroletCamaroZ285.7V8GASFrontReplaces 18027966 | RWD;
1993ChevroletCamaroIndianapolis 500 Pace Car5.7V8GASFrontReplaces 18027966 | RWD;
1993ChevroletLumina APVBase3.8V6GASFrontReplaces 18027966 | FWD;
1993ChevroletLumina APVBase3.1V6GASFrontReplaces 18027966 | FWD;
1993ChevroletLumina APVLS3.8V6GASFrontReplaces 18027966 | FWD;
1993ChevroletLumina APVLS3.1V6GASFrontReplaces 18027966 | FWD;
1993Oldsmobile98Regency3.8V6GASFrontReplaces 18027966 | FWD;
1993Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1993Oldsmobile98Touring3.8V6GASFrontReplaces 18027966 | FWD;
1993Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1993Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1993OldsmobileSilhouetteBase3.8V6GASFrontReplaces 18027966 | FWD;
1993OldsmobileSilhouetteBase3.1V6GASFrontReplaces 18027966 | FWD;
1993PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1993PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1993PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1993PontiacFirebirdBase3.4V6GASFrontReplaces 18027966 | RWD;
1993PontiacFirebirdFormula5.7V8GASFrontReplaces 18027966 | RWD;
1993PontiacFirebirdTrans Am5.7V8GASFrontReplaces 18027966 | RWD;
1993PontiacTrans SportBase3.8V6GASFrontReplaces 18027966 | FWD;
1993PontiacTrans SportBase3.1V6GASFrontReplaces 18027966 | FWD;
1992BuickLeSabreCustom3.8V6GASFrontReplaces 18027966 | FWD;
1992BuickLeSabreLimited3.8V6GASFrontReplaces 18027966 | FWD;
1992BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1992BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1992BuickRivieraLuxury3.8V6GASFrontReplaces 18027966 | FWD;
1992CadillacDeVilleTouring4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacDeVilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacEldoradoBase4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacEldoradoTouring4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacFleetwoodBase4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacFleetwood60 Special4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacFleetwoodd'Elegance4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacCommercial ChassisBase4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacSevilleSTS4.9V8GASFrontReplaces 18027966 | FWD;
1992CadillacSevilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1992ChevroletLumina APVBase3.1V6GASFrontReplaces 18027966 | FWD;
1992ChevroletLumina APVCL3.1V6GASFrontReplaces 18027966 | FWD;
1992ChevroletLumina APVCL3.8V6GASFrontReplaces 18027966 | FWD;
1992ChevroletLumina APVBase3.8V6GASFrontReplaces 18027966 | FWD;
1992Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1992Oldsmobile98Touring3.8V6GASFrontReplaces 18027966 | FWD;
1992Oldsmobile98Regency3.8V6GASFrontReplaces 18027966 | FWD;
1992Oldsmobile88Royale3.8V6GASFrontReplaces 18027966 | FWD;
1992Oldsmobile88Royale LS3.8V6GASFrontReplaces 18027966 | FWD;
1992OldsmobileSilhouetteBase3.1V6GASFrontReplaces 18027966 | FWD;
1992OldsmobileSilhouetteBase3.8V6GASFrontReplaces 18027966 | FWD;
1992OldsmobileToronadoTrofeo3.8V6GASFrontReplaces 18027966 | FWD;
1992OldsmobileToronadoBase3.8V6GASFrontReplaces 18027966 | FWD;
1992PontiacBonnevilleSSEi3.8V6GASFrontReplaces 18027966 | FWD;
1992PontiacBonnevilleSE3.8V6GASFrontReplaces 18027966 | FWD;
1992PontiacBonnevilleSSE3.8V6GASFrontReplaces 18027966 | FWD;
1992PontiacTrans SportBase3.8V6GASFrontReplaces 18027966 | FWD;
1992PontiacTrans SportBase3.1V6GASFrontReplaces 18027966 | FWD;
1991BuickPark AvenueUltra3.8V6GASFrontReplaces 18027966 | FWD;
1991BuickPark AvenueBase3.8V6GASFrontReplaces 18027966 | FWD;
1991CadillacDeVilleSpring Edition4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacDeVilleTouring4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacDeVilleBase4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacFleetwoodBase4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacFleetwood60 Special4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacFleetwoodd'Elegance4.9V8GASFrontReplaces 18027966 | FWD;
1991CadillacCommercial ChassisBase4.9V8GASFrontReplaces 18027966 | FWD;
1991Oldsmobile98Touring3.8V6GASFrontReplaces 18027966 | FWD;
1991Oldsmobile98Regency Elite3.8V6GASFrontReplaces 18027966 | FWD;
1990CadillacDeVilleBase4.5V8GASFrontReplaces 18027966; with 10.94in Diameter Rotor | FWD;
1990CadillacFleetwoodd'Elegance4.5V8GASFrontReplaces 18027966; with 10.94in Diameter Rotor | FWD;
1990CadillacFleetwood60 Special4.5V8GASFrontReplaces 18027966; with 10.94in Diameter Rotor | FWD;
1990CadillacFleetwoodBase4.5V8GASFrontReplaces 18027966; with 10.94in Diameter Rotor | FWD;
1990CadillacCommercial ChassisBase4.5V8GASFrontReplaces 18027966; with 10.94in Diameter Rotor | FWD;
About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
2.8
4.6
ABS Tone Ring IncludedNo
Bolt Circle Diameter (in)4.6
Bolt Circle Diameter (mm)118
Bolt Hole Quantity5
Center Bore Diameter (in)2.8in
Center Bore Diameter (mm)70.7mm
Center Hole Diameter2.78
Center Hole Diameter70.6
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorConventional
Directional or Non-Directional Brake SurfaceNo
Disc FinishGround
Discard Thickness1.208
Discard Thickness30.7
Features & Benefits - Bullet 1Cross drilled for quick brake response and heat dissipation
Features & Benefits - Bullet 2Black coating on hat and vanes
Features & Benefits - Bullet 3Quality validated for proper metallurgy and correct brake plate thickness
Features & Benefits - Bullet 4Tighter tolerances similar to GM OE specifications
Features & Benefits - Bullet 5Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Features & Benefits - Bullet 6Premium aftermarket replacement part
Features & Benefits - Bullet 7Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Grade TypeREGULAR
Hat FinishTurned
Height2.1
Height (in)2.1
Height (mm)52.1
MaterialCast Iron
Mounting Bolt Hole Circle Diameter118
Mounting Bolt Hole Circle Diameter4.646
Mounting Bolt Hole Diameter0.64
Mounting Bolt Hole Diameter16.25
Mounting Bolt Hole Quantity5
Nominal Thickness1.27
Nominal Thickness32.25
Outside Diameter10.9
Outside Diameter10.94
Outside Diameter277.9
Overall Height2.05
Overall Height52.05
Overall Rotor Diameter (mm)277.88mm
Pad Contact Surface Width2.2
Pad Contact Surface Width57.05
Product DescriptionACDelco Gold (Professional) Non-Coated Disc Brake Rotor and Hub Assemblies are a high quality alternative to Original Equipment (OE) parts. These rotors are mounted to the wheel hub where the calipers can press the brake pads against the brake surface to help stop the vehicle. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming RequiredNo
Rust Resistant CoatingYes
SlottedNo
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity5
Surface TypeSMOOTH
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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