Product Description
Webb 66892F 16.5 x 7 Heavy-Duty Outboard Brake Drum – 122453 / 52878-01 / 3543
The Webb 66892F is a 16.5 x 7-inch heavy-duty cast-iron brake drum with an outboard mounting configuration. It features an 8.53-inch pilot diameter, 11.25-inch bolt circle, and 10-hole mounting pattern.
This drum has a long list of interchange numbers, which makes it easier to identify when working from an older drum or OEM number. The 122453 and 52878-01 numbers in our inventory both cross to the 66892F. Gunite 3543 is another confirmed interchange.
Part Number: 66892F
Base Part Number: 66892
Product Type: Heavy-Duty Brake Drum
Brand: Webb
Brake Size: 16.5 x 7 in.
Brake Surface Diameter: 16.50 in.
Brake Surface Width: 7.38 in.
Overall Depth: 10.25 in.
Outside Diameter: 18.75 in.
Mounting Type: Outboard
Material: Cast Iron
Pilot Diameter: 8.53 in.
Bolt Circle Diameter: 11.25 in.
Bolt Holes: 10
Bolt Hole Diameter: 0.81 in.
Back Plate Thickness: 0.50 in.
Maximum Wear Diameter: 16.62 in.
Approximate Weight: 106–112 lb
Meritor / Dayton Cross Reference: 122453 / 03-122453
KIC / Reyco Cross Reference: 52878-01
Gunite Cross Reference: 3543
Motor Wheel Cross References: 87102, 87295
Additional Cross References: 122752, 576705C1, 682872R1, D7HZ-1126-B, D8HZ-1126-F
Use: Commercial Trucks and Trailers
Inventory Description: DRUM 122453 52878-01 ZBR3543
Before ordering, confirm the 66892/66892F number or a verified interchange, along with the 16.5 x 7 brake size, 8.53-inch pilot, 11.25-inch bolt circle, 10-hole pattern, and outboard mounting configuration to ensure proper fit.