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ACDELCO 18A1421AC
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$44.79
Price
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$0.00
Core
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+ Sold in packs of 1x1
Pack
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$44.79
Total
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| ACDELCO 18A1421AC Specifications |
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| Abs Tone Ring Included | No | | Bolt Circle Diameter (IN) | 5 | | Bolt Circle Diameter (MM) | 127 | | Center Bore Diameter (IN) | 3.1in | | Center Bore Diameter (MM) | 78.7mm | | Center Hole Diameter (IN) | 3.12 | | Center Hole Diameter (MM) | 79.25 | | Construction | Full Cast | | Conventional Or Drum-In-Hat Type Rotor | Conventional | | Directional or Non-Directional Brake Surface | No | | Disc Finish | Non Directional | | Discard Thickness (IN) | 1.083 | | Discard Thickness (MM) | 27.5 | | Hat Finish | Plain | | Height (IN) | 2.1 | | Height (MM) | 53.3 | | Length (IN) | 13.9 | | Material | Cast Iron | | Mounting Bolt Hole Circle Diameter (IN) | 5 | | Mounting Bolt Hole Circle Diameter (MM) | 127 | | Mounting Bolt Hole Diameter (IN) | 0.517 | | Mounting Bolt Hole Diameter (MM) | 13.15 | | Nominal Thickness (IN) | 1.142 | | Nominal Thickness (MM) | 29 | | Outside Diameter (IN) | 12.795 | | Outside Diameter (MM) | 325 | | Overall Height (IN) | 2.136 | | Overall Height (MM) | 54.25 | | Rust Resistant Coating | Yes | | Slotted | No | | Solid Or Vented Type Rotor | Vented | | Surface Type | Smooth | | Weight (lb) | 22.8 | | Width (IN) | 13.3 |
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ACDelco Silver (Advantage) Coated Brake Rotors provide reliable braking power. Their robotic-applied, baked-on coating helps prevent brake pulsation, helps prevent the rotor from seizing to the hub, and provides excellent rust prevention against harsh environmental elements such as rain, snow, and corrosive road sprays. They feature a non-directional ground finish that helps increase brake pad life and minimizes thickness variation. They are also ready to be installed right out of the box, with no machining required. These dependable rotors offer quality at an economical price.
Features and Benefits:
- Each rotor is fully coated with an anti-corrosion coating that helps prevent brake pulsation and protects the rotor from harsh environmental elements
- Manufactured with multiple alloys for optimum heat dissipation and performance
- Mill-balanced for proper rotor function; no extra weights needed
- Quality validated for proper metallurgy and correct brake plate thickness
- Rounded radius for added strength
Signs of Rotor Wear
- Brake pedal pulsation (not to be confused with normal ABS operation)
- Squealing or grinding noises
- Low brake pedal height
- Vehicle pulls to the left or right when brakes are applied
- Visible ridges or deep grooves on the rotor surface
 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
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| OEM / Interchange Numbers: 19327412 |
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