MADE IN VIETNAM
TBP-0541640
16.5″ × 7″ Brake Drum — replaces 3922X
INTERCHANGE WITH: 3922X · 56864B · 10037763
Rear and trailer drum for heavy-duty Class 8 trucks. Outboard mount for fast installation, G3500 gray iron for heat dissipation and fade resistance. FMVSS 121 dynamometer tested.
16.5″DIAMETER
7″WIDTH
105 lbWEIGHT
G3500GRAY IRON
Technical data sheet
TBP-0541640 · REV 03/2026DIMENSIONS
Overall depth7 in
Brake surface dia16.62 in
Pilot diameter8.75 in
Bolt circle · holes11.25 in · 10
MaterialG3500 (ASTM A48 CL35 eq)
Hardness207–255 HB
Weight105 lb
INTERCHANGE
3922X56864B56864F1003776385-123788-00260000-01889996BHD1MV151.6726BAABP N42A1657VBDB1657BHDV1601BBD1657VXWA140-0000
CHECK YOUR PART # →US TARIFF & DUTY GUIDE →FITMENTS
- Meritor RS-13-120 rear drive axle
- Dana/Spicer DS-404 rear axle
- Hendrickson HMX rear tandem
- Peterbilt 379 / 389 (2000–present)
- Kenworth W900 / T800 / T680
- Freightliner Classic XL / Cascadia (rear)
Why this drum
FMVSS 121 dynamometer tested at LINK Engineering, 23,000 lb GAWR
CNC-machined brake surface, tightly toleranced for low run-out
Coated sand mold casting for consistent wall thickness
Phosphate treatment for corrosion resistance in transit
Vietnam origin — not subject to the US AD/CVD orders on brake drums
OEM interchangeable, no modification required
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