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 03/2026
DIMENSIONS
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
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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 dimensional requirements met

CNC-machined brake surface, run-out under 0.15 mm

Coated sand mold casting for consistent wall thickness

Phosphate treatment for corrosion resistance in transit

Vietnam origin, zero anti-dumping duty to the US

OEM interchangeable, no modification required

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