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ACDELCO 18A2525

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Brand: ACDELCO
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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
Helpful Tools: Allen Wrench | Brake Bleeder Kit | Brake Bleeder Wrench | Brake Cleaner | Brake Fluid Tester | Breaker Bar | Socket Set | Torque Wrench



Attention California Customers - WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


 
Alternate/OEM Part Number(s)
OEM / Interchange Numbers: 19235185
 
Warranty Information

Warranty Information:24 Month / Unlimited Mile WarrantyWarranty Details


 
CAPA CERTIFIED or NSF CERTIFIED

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.

Specifications
Slotted No
Height (MM) 73.5
Material Cast Iron
Construction Full Cast
Height (IN) 2.9
Inside Diameter (IN) 7.047
Inside Diameter (MM) 179
Outside Diameter (IN) 11.811
Outside Diameter (MM) 300
Hat Finish Turned
Rust Resistant Coating Yes
Solid Or Vented Type Rotor Vented
Surface Type Smooth
Bolt Circle Diameter (IN) 4.7
Bolt Circle Diameter (MM) 120
Discard Thickness (IN) 0.882
Discard Thickness (MM) 22.4
Nominal Thickness (IN) 0.945
Nominal Thickness (MM) 24
Center Hole Diameter (MM) 79
Overall Height (MM) 73.5
Abs Tone Ring Included No
Mounting Bolt Hole Circle Diameter (IN) 4.724
Mounting Bolt Hole Circle Diameter (MM) 120
Overall Height (IN) 2.894
Disc Finish Ground
Center Hole Diameter (IN) 3.11
Conventional Or Drum-In-Hat Type Rotor Conventional
Mounting Bolt Hole Diameter (IN) 0.573
Mounting Bolt Hole Diameter (MM) 14.55
Center Bore Diameter (IN) 3.1in
Center Bore Diameter (MM) 79mm
Overall Rotor Diameter (mm) 299.97mm
Pad Contact Surface Width (IN) 2.4
Pad Contact Surface Width (MM) 60.5
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