ACDELCO
More Information for ACDELCO 18A2747
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ACDELCO 18A2747  
$37.79
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$37.79
Total
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ACDELCO 18A2747 Specifications
Abs Tone Ring IncludedNo
Bolt Circle Diameter (IN)4.5
Bolt Circle Diameter (MM)114.3
Center Bore Diameter (IN)3.1in
Center Bore Diameter (MM)80mm
Center Hole Diameter (IN)3.15
Center Hole Diameter (MM)80
ConstructionFull Cast
Conventional Or Drum-In-Hat Type RotorConventional
Disc FinishTurned
Discard Thickness (IN)0.787
Discard Thickness (MM)20
Hat FinishTurned
Height (IN)2.3
Height (MM)58.2
Inside Diameter (IN)8.976
Inside Diameter (MM)228
MaterialCast Iron
Mounting Bolt Hole Circle Diameter (IN)4.5
Mounting Bolt Hole Circle Diameter (MM)114.3
Mounting Bolt Hole Diameter (IN)0.487
Mounting Bolt Hole Diameter (MM)12.35
Nominal Thickness (IN)0.866
Nominal Thickness (MM)22
Outside Diameter (IN)12.992
Outside Diameter (MM)330
Overall Height (IN)2.293
Overall Height (MM)58.25
Overall Rotor Diameter (mm)329.95mm
Pad Contact Surface Width (IN)2
Pad Contact Surface Width (MM)51
Rust Resistant CoatingYes
SlottedNo
Solid Or Vented Type RotorVented
Surface TypeSmooth
Gold / Professional; Black Hat
ACDelco Gold (Professional) Rotors provide reliable vehicle braking power and are an ideal aftermarket replacement for your GM and non-GM vehicle. They feature a thickness variation that is less than 0.0004 to minimize pedal pulsation, noise, and help with brake pad life. These rotors meet the SAE standard for structural integrity with OE matched G3000 qualified material delivering guaranteed performance.

Features & Benefits:
  • Rust-preventative coating, applied to the rotor hat, edges and cooling vanes, provides corrosion protection for superior durability
  • Inspected for balance; helping with smooth brake operation and noise levels
  • Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable rotors
  • Follows original manufacturers' designs for dispersing heat, helping to prolong pad and rotor life while also helping to minimize noise and vibration
  • Ready to be installed right out of the box – no machining required
Installation Tips
  • Always replace Brake Pads and inspect Calipers and Brake Hoses when installing new rotors
  • Suspend the caliper from the suspension using a Caliper Hanger to prevent damage to the brake hose
  • After removing the old rotor, clean the hub face with a Wire Brush to remove rust buildup and apply Copper Anti Seize to prevent future buildup. Rust or debris on the hub can cause rotor runout and lead to wheel vibration
  • Apply Brake Lube to caliper pins, clips, the edges of the brake pad mounting tabs, and the back side of the brake pads to ensure noise free braking. DO NOT apply lube to the friction side of the brake pads
  • Use a Caliper Piston Compressor to retract the caliper piston(s) and make room for the new, thicker brake pads
  • Open the master cylinder reservoir during piston compression to prevent pressure buildup. Keep an eye on the Brake Fluid level to ensure it does not overflow
  • After the job is complete, pump the brake pedal several times to push the caliper piston back up against the pads to ensure proper brake function


OEM / Interchange Numbers: 19288498

Warranty Information:
24 Month / Unlimited Mile Warranty
Warranty Details