ACDELCO part description

18a124a

Product Description

Rear Brake Rotor

Product Attributes

Mounting Bolt Hole Circle Diameter 5 IN
Discard Thickness 0.906 IN
Height (in) 2.2 in
Center Bore Diameter (in) 3.1in
Bolt Hole Quantity 5
Bolt Circle Diameter (in) 5 in
Center Hole Diameter 3.067 IN
Width (in) 12.12 in
Length (In) 12.12 IN
Weight 15.3 lb
Discard Thickness 23 MM
Center Hole Diameter 77.9 MM
Height (mm) 55.9 mm
Center Bore Diameter (mm) 78.7mm
Bolt Circle Diameter (mm) 127 mm
Outside Diameter 283.45 MM
Mounting Bolt Hole Circle Diameter 127 MM
Product Description ACDelco 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. &#9888;<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Material Cast Iron
Features & Benefits - Bullet 2 Economical value with dependable quality
Features & Benefits - Bullet 3 For General Motors vehicles as well as most makes and models
Construction Full Cast
Programming Required No
Rust Resistant Coating No
Slotted No
Disc Finish Non Directional
Hat Finish Plain
Grade Type Regular
Surface Type Smooth
Features & Benefits - Bullet 1 Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage
Solid Or Vented Type Rotor Vented
Mounting Bolt Hole Diameter 0.528 IN
Mounting Bolt Hole Quantity 5
Outside Diameter 11.16 IN
Nominal Thickness 24.9 MM
Nominal Thickness 0.98 IN
Mounting Bolt Hole Diameter 13.4 MM
Overall Height 2.2 IN
Overall Height 55.9 MM
Stud/Lug Hole Quantity 5
Conventional Or Drum-In-Hat Type Rotor Conventional
ABS Tone Ring Included No

Additional Information

Warranty Special 12 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|12 Months/20,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details
Harmonized Tariff Code (HTS) 8708305030
Country of Origin (Primary) CN
Warranty Special UOM TX
UPC 00808709208686

Fits Vehicles

  • Cadillac Commercial Chassis (1977-1979)
  • Buick Electra (1977-1979)
  • Buick Riviera (1977-1978)
  • Buick Estate Wagon (1977-1979)
  • Buick LeSabre (1977-1979)
  • Cadillac Seville (1977-1979)
  • Cadillac DeVille (1977-1979)
  • Cadillac Fleetwood (1977-1979)

A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.

Don't know your part number?

Take a photo and we'll identify it!

Recommended Products

More from ACDELCO (Browse all)