Meritor/Rockwell 3219-T-3686 cross reference.
The Meritor/Rockwell 3219-T-3686 is a 12.25″ × 8.12″ heavy-duty truck brake drum with 6 bolt holes on a 8.75″ bolt circle. It interchanges with 5 other part numbers. TBP Auto manufactures brake drums to this spec in Vietnam — zero US AD/CVD duty, quoted within 24 hours.
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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
VARIANT 3
Brake surface diameter12.25″
Width7.812″
Height10.093″
Hub pilot7.125″
Bolt circle8.75″
Bolt holes6
Hole diameter0.843″
ALSO CROSSES TO
WE CAN MAKE THIS DRUM
Manufactured to spec, quoted within 24 hours.
Meritor/Rockwell 3219-T-3686 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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