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Disc Brake Rotor – Front

PART#: 18A559
ACDelco
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Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front
Disc Brake Rotor - Front

$58.95

Select vehicle to confirm fitment

In stock

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

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

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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