Meritor/Rockwell 3219-D-2578 cross reference.
The Meritor/Rockwell 3219-D-2578 is a 12.5″ × 7.828″ heavy-duty truck brake drum with 6 bolt holes on a 8.75″ bolt circle. It interchanges with 2 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 diameter12.5″
Width7.828″
Height10.375″
Hub pilot7.125″
Bolt circle8.75″
Bolt holes6
Hole diameter0.843″
VARIANT 2
Brake surface diameter12.25″
Width7.812″
Height10.375″
Hub pilot7.125″
Bolt circle8.75″
Bolt holes6
Hole diameter1.031″
ALSO CROSSES TO
WE CAN MAKE THIS DRUM
Manufactured to spec, quoted within 24 hours.
Meritor/Rockwell 3219-D-2578 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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