| ACDELCO 18B118 Specifications |
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| Material | Cast Iron | | Discard Thickness | 9.06 IN | | Discard Thickness | 230.1 MM | | Length | 9.06 IN | | Maximum Brake Diameter (Discard) | 230.12 MM | | Bolt Circle Diameter | 4.5 in | | Bolt Circle Diameter | 114.3 mm | | Brake Surface Finish | Turned | | Mount Hole Diameter | 0.508 IN | | Mount Hole Diameter | 12.903 MM | | Bolt Hole Quantity | 4 | | Outside Diameter | 10.48 IN | | Outside Diameter | 266.3 MM | | Center Bore Diameter | 3.54 in | | Center Bore Diameter | 90 mm | | Grade Type | Regular | | ABS Sensor Ring Included | No |
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ACDelco Professional Brake Drums are constructed with G3000 SAE qualified material for structural integrity and maximum service life. They are tested to ISO/TS 16949 quality system standards and validated for balance to provide great braking performance. Chamfer angle, vane configuration, and plate thickness all follow the OE design, making them the ideal premium aftermarket replacement for your GM or non-GM vehicle.
Features & Benefits:
- Inspected for balance resulting in smooth brake operation and reduced noise level
- Follows original manufacturers' designs for dispersing heat, helping to prolong shoe and drumlife while reducing noise and vibration
- Independently tested with Noise/Vibration/Harshness (NVH) and durability/wear testing; resulting in high quality and reliable products
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| OEM / Interchange Numbers: 18028431 |
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