ACDELCO
More Information for ACDELCO 18B556A
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ACDELCO 18B556A  
$42.79
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$42.79
Total
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ACDELCO 18B556A Specifications
Abs Tone Ring IncludedNo
Bolt Circle Diameter (IN)4.5
Bolt Circle Diameter (MM)114.3
Depth (IN)2.4
Depth (MM)60.95
Drum Center Bore Diameter (IN)2.448
Drum Center Bore Diameter (MM)62.1792
Height (IN)3.3
Length (IN)12.1
MaterialCast Iron
Maximum Brake Diameter (Discard) (IN)9.08
Maximum Brake Diameter (Discard) (MM)230.632
Mount Hole Diameter (IN)0.593in
Mount Hole Diameter (MM)15.0622mm
Nominal Drum Diameter (IN)0.357
Nominal Drum Diameter (MM)9.1
Outer Cooling FinsNo
Outside Diameter (IN)0.437
Outside Diameter (MM)11.1
Stud/Lug Hole Diameter (IN)0.573
Stud/Lug Hole Diameter (MM)14.55
Weight (lb)13.5
Width (IN)12.1
Advantage
ACDelco Silver (Advantage) Brake Drums are constructed with G3000 material for maximum service life. They are validated for balance to provide optimum braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design.


Signs of Brake Drum Wear

  • Reduced braking force
  • Low brake pedal height
  • Increased stopping distances
  • Squealing or scraping noises
  • Brake pedal pulsation (not to be confused with normal ABS operation)
Frequently Asked Questions

  • Do I have to replace all my brake parts when replacing my brake drums? No, but it is a good idea to inspect them for wear-out, cracking, leaking, etc.
  • Do I have to replace my brake drums after a certain amount of time? No, but it is a good idea to inspect them at every tire rotation.
OEM / Interchange Numbers: 19313903

Warranty Information:
12 Months
Warranty Details