Product Description
Webb 78503 16.5 x 7 Balanced Heavy-Duty Brake Drum
The Webb 78503 is a 16.5 x 7-inch balanced heavy-duty brake drum for commercial truck and trailer wheel ends. The balanced configuration helps provide smooth, consistent rotation and makes this drum a solid replacement choice for equipment requiring the 78503.
The 16.5 x 7 size is one of the most widely used brake sizes in heavy-duty trucking, but mounting dimensions can vary considerably between drums of the same nominal size. Matching the complete 78503 part number is the best way to avoid confusion with similar 16.5 x 7 drums.
Part Number: 78503
Product Type: Heavy-Duty Brake Drum
Brand: Webb
Brake Size: 16.5 x 7 in.
Brake Diameter: 16.5 in.
Brake Width: 7 in.
Configuration: Balanced
Use: Commercial Trucks and Trailers
Inventory Description: 16.5X7 BALANCE DRUM
Before ordering, confirm the 78503 part number, 16.5 x 7 brake size, pilot diameter, bolt pattern, mounting configuration, overall dimensions, and interchange number to ensure proper fit.
