WEBB part description

DRUM INFORMATION

Drum Part Number 78503B
Weight 116
Brake Face Thickness 0.50
Drum Type
Mount Outboard
Brake Surface Diameter 16.50
Overall Depth 10.12
Brake Surface Flat 7.38
Pilot Diameter 8.78
Bolt Circle Diameter 11.25
Bolt Hole (Number) 10
Bolt Hole Size 0.94
Maximum Wear Diameter 16.62
Notes

In business since 1946, Webb® has been a trusted brand for high-quality brake and wheel hub components in the heavy duty transportation industry. The company maintains an extensive catalog of OEM and aftermarket brake drums, brake rotors and calipers, and wheel hubs for Class 6, 7, and 8 trucks and heavy duty trailers. Each Webb product is made of premium materials and engineered for reduced weight without compromising structural strength or balance. All parts are also manufactured using the latest innovations, including advanced wear indicators and cool running vent technology to help minimize wear and make maintenance and repairs easier. Combined with a first-class customer service and after-sales support, customers can count on Webb products to keep their trucks running safely and smoothly for years to come.

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