
MADE IN VIETNAM
TBP-0540034
15″ × 4″ Steer Brake Drum — replaces 3800X · 65548B
INTERCHANGE WITH: 3800X · 65548B · 107164
Front steer-axle brake drum for medium-duty trucks and transit buses. 15″ × 4″ friction surface cast in G3500 gray iron for heat dissipation and fade resistance. Outboard mount on a 10-hole, 11.25″ bolt circle, machined to a tightly toleranced brake surface for low run-out. Interchanges with the 3800X family.
15″DIAMETER
4″WIDTH
83 lbWEIGHT
G3500GRAY IRON
Technical data sheet
TBP-0540034 · REV 03/2026DIMENSIONS
Overall depth9.17 in
Brake surface dia15 in
Pilot diameter8.78 in
Bolt circle · holes11.25 in · 10
MaterialG3500 (ASTM A48 CL35 eq)
Hardness207–255 HB
Weight83 lb
INTERCHANGE
3800X65548B65545B1071641000992085-123448-00254293-01889870BKHD17M151.5403BAABP N42A154BOTR1502BBD1504X-4413-00163
CHECK YOUR PART # →US TARIFF & DUTY GUIDE →FITMENTS
- Meritor FF & FL-series front (non-drive) steer axles
- Dana Spicer D-series & E-series steer axles
- Class 6–7 medium-duty truck front axles (Freightliner, International)
- Transit and shuttle bus front axles
Why this drum
Cast in G3500 gray iron for heat dissipation and fade resistance
Outboard mount — 10 × 1.25″ holes on an 11.25″ (285.75 mm) bolt circle
CNC-machined brake surface, tightly toleranced for low run-out
Coated sand-mold casting, 12 mm minimum wall for consistent thickness
Vietnam origin — zero anti-dumping duty to the US
OEM-interchangeable — direct fit, no modification required
Need this drum in volume?
Send us your quantity and delivery point. We quote within 24 hours.


