Description:
Get the ACDelco 18A81778SD Disc Brake Rotor for your vehicle. Buy now and secure your purchase online!
ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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
Features and Benefits:
- Damped iron metallurgy reduces noise and dissipates heat
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Match OE vane configuration for reduced brake wear and optimal cooling
- Mill balanced to reduce vibration
- Non-directional rotation eliminates the need for unique left and right designations
- Premium aftermarket replacement part
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
Specifications:
Bolt Circle Diameter (in):
6.693 in
Bolt Circle Diameter (mm):
170 mm
Bolt Thread Pitch:
0.059 in.
Bolt Thread Pitch:
1.5 mm
Center Hole Diameter:
2.543 in.
Center Hole Diameter:
64.6 mm
Conventional Or Drum-In-Hat Type Rotor:
Conventional
Discard Thickness:
1.433 in.
Discard Thickness:
36.4 mm
Inside Diameter:
230.7 mm
Inside Diameter:
9.083 in.
Mounting Bolt Hole Circle Diameter:
170 mm
Mounting Bolt Hole Circle Diameter:
6.693 in.
Mounting Bolt Hole Diameter:
0.551 in.
Mounting Bolt Hole Diameter:
14 mm
Mounting Bolt Hole Quantity:
8
Nominal Thickness:
1.496 in.
Outside Diameter:
14.291 in.
Overall Height:
5.921 in.
Solid Or Vented Type Rotor:
Vented
Stud/Lug Hole Quantity:
8
Features and Benefits:
- – Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
- – Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
- – Check the thickness of your brake pads.
- – Inspect the brake lines for rust, punctures or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
- – Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
- – Inspection of the brake hoses for brittleness or cracking.
- – Inspection of wheel bearings and grease seals.
- – Parking brake adjustments (as needed).
- The following inspections and maintenance procedures can help prevent potential brake problems:
- The following should be conducted by a qualified technician:
Specifications:
Manufacturer Warranty:
12 Months
