Gunite 3557A cross reference.
The Gunite 3557A is a 12.25″ × 8.12″ heavy-duty truck brake drum with 6 bolt holes on a 8.75″ bolt circle. It interchanges with 4 other part numbers. TBP Auto manufactures brake drums to this spec in Vietnam — zero US AD/CVD duty, quoted within 24 hours.
DRUM SPECIFICATIONS
VARIANT 1
Brake surface diameter12.25″
Width8.12″
Height10.47″
Hub pilot7.12″
Bolt circle8.75″
Bolt holes6
Hole diameter0.84″
TypeTRAILER
VARIANT 2
Brake surface diameter12.25″
Width8.13″
Height10.47″
Hub pilot7.13″
Bolt circle8.75″
Bolt holes6
Hole diameter0.81″
TypeTrailer
ALSO CROSSES TO
WE CAN MAKE THIS DRUM
Manufactured to spec, quoted within 24 hours.
Gunite 3557A is in our reference database with full dimensional data. We manufacture to OEM drawings with G3500 gray iron and full batch traceability. Send the part number and quantity.
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