The MotorWheel brake drum, part number 89996B (also listed as MW89996B), is a 16.5 x 7 inch heavy-duty drum for commercial truck axle-end brake systems. The 16.5-inch diameter and 7-inch width are standard heavy-duty specifications common across tandem-drive and trailer axle configurations. Cross-references include 123207, 3922, DB1657BSTW, DB1657U, B21620, 77807BW, and ZBR3922, among others, making it a broad-application replacement for several aftermarket and OEM numbers. Sold individually. Call us to confirm this drum matches your axle and brake assembly before ordering.
Features
16.5-inch brake drum diameter, 7-inch width
MotorWheel part number 89996B, also catalogued as MW89996B
Sold as an individual unit (each)
Cross-references: 123207, 3922, DB1657BSTW, DB1657U, B21620, 77807BW, ZBR3922, and additional interchange numbers available
VMRS category 13-002-023 (brake drums)
Tech Specs
- Drum Diameter: 16.5 in.
- Drum Width: 7 in.
- Part Number: 89996B / MW89996B
- Unit of Measure: Each
- Cross References: 123207, 3922, 521-05996-13, 53-123537-002, 77807BW, 8161808, B21620, DB1657BSTW, DB1657U, MOT-89996B, STM 89996B, WW 77807BW, ZBR3922
