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Disc Brake Rotor – Front

PART#: 18A35A
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

$43.95

Select vehicle to confirm fitment

In stock

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Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1991JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1991ChevroletBlazerScottsdale5.7V8GASFront
1991ChevroletBlazerSilverado6.2V8DIESELFront
1991ChevroletBlazerScottsdale6.2V8DIESELFront
1991ChevroletBlazerSilverado5.7V8GASFront
1991ChevroletV1500 SuburbanScottsdale5.7V8GASFront
1991ChevroletV1500 SuburbanScottsdale6.2V8DIESELFront
1991ChevroletV1500 SuburbanSilverado6.2V8DIESELFront
1991ChevroletV1500 SuburbanSilverado5.7V8GASFront
1991GMCJimmyBase6.2V8DIESELFront
1991GMCJimmyBase5.7V8GASFront
1991GMCV1500 SuburbanBase5.7V8GASFront
1991GMCV1500 SuburbanBase6.2V8DIESELFront
1990JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1990JeepWagoneerLimited4.0L6GASFrontwith 6 Stud Rotor
1990ChevroletBlazerScottsdale5.7V8GASFront
1990ChevroletBlazerScottsdale6.2V8DIESELFront
1990ChevroletBlazerSilverado6.2V8DIESELFront
1990ChevroletBlazerSilverado5.7V8GASFront
1990ChevroletV1500 SuburbanScottsdale5.7V8GASFront
1990ChevroletV1500 SuburbanScottsdale6.2V8DIESELFront
1990ChevroletV1500 SuburbanSilverado6.2V8DIESELFront
1990ChevroletV1500 SuburbanSilverado5.7V8GASFront
1990GMCJimmySierra Classic6.2V8DIESELFront
1990GMCJimmyBase6.2V8DIESELFront
1990GMCJimmyBase5.7V8GASFront
1990GMCJimmySierra Classic5.7V8GASFront
1990GMCV1500 SuburbanBase6.2V8DIESELFront
1990GMCV1500 SuburbanSLE5.7V8GASFront
1990GMCV1500 SuburbanSLE6.2V8DIESELFront
1990GMCV1500 SuburbanBase5.7V8GASFront
1989JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1989JeepWagoneerLimited4.0L6GASFrontwith 6 Stud Rotor
1989ChevroletBlazerScottsdale6.2V8DIESELFront
1989ChevroletBlazerScottsdale5.7V8GASFront
1989ChevroletBlazerSilverado5.7V8GASFront
1989ChevroletBlazerSilverado6.2V8DIESELFront
1989ChevroletV1500 SuburbanScottsdale5.7V8GASFront
1989ChevroletV1500 SuburbanScottsdale6.2V8DIESELFront
1989ChevroletV1500 SuburbanSilverado6.2V8DIESELFront
1989ChevroletV1500 SuburbanSilverado5.7V8GASFront
1989GMCJimmySierra Classic5.7V8GASFront
1989GMCJimmyBase6.2V8DIESELFront
1989GMCJimmyBase5.7V8GASFront
1989GMCJimmySierra Classic6.2V8DIESELFront
1989GMCV1500 SuburbanSierra Classic6.2V8DIESELFront
1989GMCV1500 SuburbanBase5.7V8GASFront
1989GMCV1500 SuburbanBase6.2V8DIESELFront
1989GMCV1500 SuburbanSierra Classic5.7V8GASFront
1988JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1988JeepJ10Base5.9V8GASFront
1988JeepWagoneerLimited4.0L6GASFrontwith 6 Stud Rotor
1988ChevroletBlazerScottsdale5.7V8GASFront
1988ChevroletBlazerSilverado5.7V8GASFront
1988ChevroletBlazerSilverado6.2V8DIESELFront
1988ChevroletBlazerScottsdale6.2V8DIESELFront
1988ChevroletV10 SuburbanScottsdale6.2V8DIESELFront
1988ChevroletV10 SuburbanSilverado5.7V8GASFront
1988ChevroletV10 SuburbanScottsdale5.7V8GASFront
1988ChevroletV10 SuburbanSilverado6.2V8DIESELFront
1988GMCJimmySierra Classic5.7V8GASFront
1988GMCJimmySierra Classic6.2V8DIESELFront
1988GMCJimmyBase5.7V8GASFront
1988GMCJimmyBase6.2V8DIESELFront
1988GMCV1500 SuburbanBase6.2V8DIESELFront
1988GMCV1500 SuburbanSierra Classic6.2V8DIESELFront
1988GMCV1500 SuburbanSierra Classic5.7V8GASFront
1988GMCV1500 SuburbanBase5.7V8GASFront
1987JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1987JeepJ10Base4.2L6GASFront
1987JeepJ10Base5.9V8GASFront
1987JeepWagoneerBase2.5L4GASFrontwith 6 Stud Rotor
1987JeepWagoneerLimited2.5L4GASFrontwith 6 Stud Rotor
1987JeepWagoneerLimited4.0L6GASFrontwith 6 Stud Rotor
1987JeepWagoneerBase4.0L6GASFrontwith 6 Stud Rotor
1987ChevroletBlazerCustom Deluxe6.2V8DIESELFront
1987ChevroletBlazerCustom Deluxe5.7V8GASFront
1987ChevroletBlazerSilverado5.7V8GASFront
1987ChevroletBlazerSilverado5.0V8GASFront
1987ChevroletBlazerCustom Deluxe5.0V8GASFront
1987ChevroletBlazerSilverado6.2V8DIESELFront
1987ChevroletV10Custom Deluxe6.2V8DIESELFront
1987ChevroletV10Custom Deluxe5.7V8GASFront
1987ChevroletV10Scottsdale6.2V8DIESELFront
1987ChevroletV10Scottsdale5.0V8GASFront
1987ChevroletV10Scottsdale4.3V6GASFront
1987ChevroletV10Silverado5.7V8GASFront
1987ChevroletV10Custom Deluxe5.0V8GASFront
1987ChevroletV10Silverado5.0V8GASFront
1987ChevroletV10Custom Deluxe4.3V6GASFront
1987ChevroletV10Silverado4.3V6GASFront
1987ChevroletV10Scottsdale5.7V8GASFront
1987ChevroletV10Silverado6.2V8DIESELFront
1987ChevroletV10 SuburbanScottsdale6.2V8DIESELFront
1987ChevroletV10 SuburbanCustom Deluxe6.2V8DIESELFront
1987ChevroletV10 SuburbanSilverado6.2V8DIESELFront
1987ChevroletV10 SuburbanScottsdale5.7V8GASFront
1987ChevroletV10 SuburbanSilverado5.7V8GASFront
1987ChevroletV10 SuburbanCustom Deluxe5.7V8GASFront
1987GMCJimmyBase5.7V8GASFront
1987GMCJimmyBase6.2V8DIESELFront
1987GMCJimmyBase5.0V8GASFront
1987GMCJimmySierra Classic6.2V8DIESELFront
1987GMCJimmySierra Classic5.0V8GASFront
1987GMCJimmySierra Classic5.7V8GASFront
1987GMCV1500Sierra Classic4.3V6GASFront
1987GMCV1500High Sierra4.3V6GASFront
1987GMCV1500High Sierra6.2V8DIESELFront
1987GMCV1500Sierra Classic5.7V8GASFront
1987GMCV1500Base5.0V8GASFront
1987GMCV1500Base5.7V8GASFront
1987GMCV1500Base4.3V6GASFront
1987GMCV1500Base6.2V8DIESELFront
1987GMCV1500High Sierra5.7V8GASFront
1987GMCV1500High Sierra5.0V8GASFront
1987GMCV1500Sierra Classic6.2V8DIESELFront
1987GMCV1500Sierra Classic5.0V8GASFront
1987GMCV1500 SuburbanHigh Sierra6.2V8DIESELFront
1987GMCV1500 SuburbanSierra Classic5.7V8GASFront
1987GMCV1500 SuburbanHigh Sierra5.7V8GASFront
1987GMCV1500 SuburbanBase6.2V8DIESELFront
1987GMCV1500 SuburbanBase5.7V8GASFront
1987GMCV1500 SuburbanSierra Classic6.2V8DIESELFront
1986JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1986JeepGrand WagoneerBase4.2L6GASFrontwith 6 Stud Rotor
1986JeepJ10Base4.2L6GASFront
1986JeepJ10Base5.9V8GASFront
1986JeepWagoneerLimited2.8V6GASFrontwith 6 Stud Rotor
1986JeepWagoneerBase2.8V6GASFrontwith 6 Stud Rotor
1986JeepWagoneerLimited2.5L4GASFrontwith 6 Stud Rotor
1986JeepWagoneerBase2.5L4GASFrontwith 6 Stud Rotor
1986ChevroletK5 BlazerSilverado5.0V8GASFront
1986ChevroletK5 BlazerSilverado5.7V8GASFront
1986ChevroletK5 BlazerSilverado6.2V8DIESELFront
1986ChevroletK5 BlazerCustom5.7V8GASFront
1986ChevroletK5 BlazerCustom6.2V8DIESELFront
1986ChevroletK5 BlazerCustom5.0V8GASFront
1986ChevroletK10Scottsdale5.0V8GASFront
1986ChevroletK10Scottsdale4.3V6GASFront
1986ChevroletK10Custom5.7V8GASFront
1986ChevroletK10Custom5.0V8GASFront
1986ChevroletK10Silverado5.0V8GASFront
1986ChevroletK10Silverado5.7V8GASFront
1986ChevroletK10Scottsdale6.2V8DIESELFront
1986ChevroletK10Custom4.3V6GASFront
1986ChevroletK10Silverado4.3V6GASFront
1986ChevroletK10Scottsdale5.7V8GASFront
1986ChevroletK10Silverado6.2V8DIESELFront
1986ChevroletK10Custom6.2V8DIESELFront
1986ChevroletK10 SuburbanScottsdale5.0V8GASFront
1986ChevroletK10 SuburbanCustom5.0V8GASFront
1986ChevroletK10 SuburbanSilverado5.0V8GASFront
1986ChevroletK10 SuburbanCustom6.2V8DIESELFront
1986ChevroletK10 SuburbanScottsdale5.7V8GASFront
1986ChevroletK10 SuburbanSilverado5.7V8GASFront
1986ChevroletK10 SuburbanCustom5.7V8GASFront
1986ChevroletK10 SuburbanSilverado6.2V8DIESELFront
1986ChevroletK10 SuburbanScottsdale6.2V8DIESELFront
1986GMCJimmyBase5.7V8GASFront
1986GMCJimmySierra Classic5.7V8GASFront
1986GMCJimmyBase5.0V8GASFront
1986GMCJimmySierra Classic5.0V8GASFront
1986GMCJimmyBase6.2V8DIESELFront
1986GMCJimmySierra Classic6.2V8DIESELFront
1986GMCK1500Sierra Classic5.7V8GASFront
1986GMCK1500High Sierra5.0V8GASFront
1986GMCK1500Base5.0V8GASFront
1986GMCK1500Base6.2V8DIESELFront
1986GMCK1500Sierra Classic6.2V8DIESELFront
1986GMCK1500Base5.7V8GASFront
1986GMCK1500Sierra Classic5.0V8GASFront
1986GMCK1500High Sierra4.3V6GASFront
1986GMCK1500Base4.3V6GASFront
1986GMCK1500High Sierra6.2V8DIESELFront
1986GMCK1500Sierra Classic4.3V6GASFront
1986GMCK1500High Sierra5.7V8GASFront
1986GMCK1500 SuburbanSierra Classic5.7V8GASFront
1986GMCK1500 SuburbanHigh Sierra5.7V8GASFront
1986GMCK1500 SuburbanBase6.2V8DIESELFront
1986GMCK1500 SuburbanSierra Classic6.2V8DIESELFront
1986GMCK1500 SuburbanBase5.7V8GASFront
1986GMCK1500 SuburbanHigh Sierra6.2V8DIESELFront
1985JeepGrand WagoneerLimited5.9V8GASFrontwith 6 Stud Rotor
1985JeepGrand WagoneerBase4.2L6GASFrontwith 6 Stud Rotor
1985JeepGrand WagoneerLimited4.2L6GASFrontwith 6 Stud Rotor
1985JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1985JeepJ10Base4.2L6GASFront
1985JeepJ10Base5.9V8GASFront
1985JeepWagoneerBase2.1L4DIESELFrontwith 6 Stud Rotor
1985JeepWagoneerLimited2.1L4DIESELFrontwith 6 Stud Rotor
1985JeepWagoneerLimited2.5L4GASFrontwith 6 Stud Rotor
1985JeepWagoneerBase2.5L4GASFrontwith 6 Stud Rotor
1985JeepWagoneerBase2.8V6GASFrontwith 6 Stud Rotor
1985JeepWagoneerLimited2.8V6GASFrontwith 6 Stud Rotor
1985ChevroletK5 BlazerCustom5.0V8GASFront
1985ChevroletK5 BlazerSilverado5.0V8GASFront
1985ChevroletK5 BlazerCustom5.7V8GASFront
1985ChevroletK5 BlazerSilverado5.7V8GASFront
1985ChevroletK5 BlazerSilverado6.2V8DIESELFront
1985ChevroletK5 BlazerCustom6.2V8DIESELFront
1985ChevroletK10Silverado6.2V8DIESELFront
1985ChevroletK10Scottsdale6.2V8DIESELFront
1985ChevroletK10Custom6.2V8DIESELFront
1985ChevroletK10Custom5.0V8GASFront
1985ChevroletK10Scottsdale5.7V8GASFront
1985ChevroletK10Scottsdale4.3V6GASFront
1985ChevroletK10Custom4.3V6GASFront
1985ChevroletK10Silverado5.0V8GASFront
1985ChevroletK10Silverado4.3V6GASFront
1985ChevroletK10Scottsdale5.0V8GASFront
1985ChevroletK10Custom5.7V8GASFront
1985ChevroletK10Silverado5.7V8GASFront
1985ChevroletK10 SuburbanCustom5.7V8GASFront
1985ChevroletK10 SuburbanSilverado5.7V8GASFront
1985ChevroletK10 SuburbanSilverado6.2V8DIESELFront
1985ChevroletK10 SuburbanCustom6.2V8DIESELFront
1985ChevroletK10 SuburbanScottsdale5.7V8GASFront
1985ChevroletK10 SuburbanScottsdale6.2V8DIESELFront
1985GMCJimmySierra Classic5.0V8GASFront
1985GMCJimmyBase5.7V8GASFront
1985GMCJimmyBase5.0V8GASFront
1985GMCJimmyHigh Sierra6.2V8DIESELFront
1985GMCJimmySierra Classic6.2V8DIESELFront
1985GMCJimmySierra Classic5.7V8GASFront
1985GMCJimmyBase6.2V8DIESELFront
1985GMCJimmyHigh Sierra5.7V8GASFront
1985GMCJimmyHigh Sierra5.0V8GASFront
1985GMCK1500Sierra Classic4.3V6GASFront
1985GMCK1500High Sierra6.2V8DIESELFront
1985GMCK1500Base5.7V8GASFront
1985GMCK1500Base5.0V8GASFront
1985GMCK1500Sierra Classic5.7V8GASFront
1985GMCK1500Base4.3V6GASFront
1985GMCK1500Sierra Classic6.2V8DIESELFront
1985GMCK1500Base6.2V8DIESELFront
1985GMCK1500High Sierra5.0V8GASFront
1985GMCK1500High Sierra4.3V6GASFront
1985GMCK1500Sierra Classic5.0V8GASFront
1985GMCK1500High Sierra5.7V8GASFront
1985GMCK1500 SuburbanHigh Sierra6.2V8DIESELFront
1985GMCK1500 SuburbanSierra Classic6.2V8DIESELFront
1985GMCK1500 SuburbanHigh Sierra5.7V8GASFront
1985GMCK1500 SuburbanBase6.2V8DIESELFront
1985GMCK1500 SuburbanBase5.7V8GASFront
1985GMCK1500 SuburbanSierra Classic5.7V8GASFront
1984JeepGrand WagoneerLimited4.2L6GASFrontwith 6 Stud Rotor
1984JeepGrand WagoneerBase4.2L6GASFrontwith 6 Stud Rotor
1984JeepGrand WagoneerBase5.9V8GASFrontwith 6 Stud Rotor
1984JeepGrand WagoneerLimited5.9V8GASFrontwith 6 Stud Rotor
1984JeepJ10Base4.2L6GASFront
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
4.0
5.5
Bolt Circle Diameter (in)5.5
Bolt Circle Diameter (mm)139.7
Bolt Hole Quantity6
Center Bore Diameter (in)4in
Center Bore Diameter (mm)101.6mm
Center Hole Diameter101.6
Center Hole Diameter4
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorConventional
Directional or Non-Directional Brake SurfaceNo
Disc FinishNon-Directional
Discard Thickness1.215
Discard Thickness30.85
Features & Benefits - Bullet 1Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage
Features & Benefits - Bullet 2Economical value with dependable quality
Features & Benefits - Bullet 3For General Motors vehicles as well as most makes and models
Grade TypeREGULAR
Hat FinishPlain
Height2.3
Height (in)2.3
Height (mm)58.4
MaterialCast Iron
Mounting Bolt Hole Circle Diameter139.7
Mounting Bolt Hole Circle Diameter5.5
Mounting Bolt Hole Diameter0.588
Mounting Bolt Hole Diameter14.95
Mounting Bolt Hole Quantity6
Nominal Thickness1.285
Nominal Thickness32.65
Outside Diameter11.86
Outside Diameter11.9
Outside Diameter301.25
Overall Height2.3
Overall Height58.4
Product DescriptionACDelco Silver (Advantage) Disc Brake Rotors are a quality, high value alternative for General Motors vehicles as well as most makes and models and are backed by General Motors. ACDelco Silver (Advantage) parts are a good choice for many vehicles on the road today. Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming RequiredNo
Rust Resistant CoatingNo
SlottedNo
Solid Or Vented Type RotorVented
Stud/Lug Hole Quantity6
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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