Gunite 3771X cross reference.
The Gunite 3771X is a 15″ heavy-duty truck brake drum with 10 bolt holes on a 11.25″ bolt circle. It interchanges with 3 other part numbers. TBP Auto makes TBP-0540034, an aftermarket replacement drum that interchanges with it.
DRUM SPECIFICATIONS
Brake surface diameter15″
Height9.04″
Hub pilot8.78″
Bolt circle11.25″
Bolt holes10
Hole diameter0.94″
TypeTransit Drum
ALSO CROSSES TO
TBP EQUIVALENT
TBP-0540034
15″ × 4″ Steer Brake Drum — replaces 3800X · 65548B
Aftermarket replacement for Gunite 3771X, cast in G3500 gray iron in Vietnam.
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