Meritor/Rockwell 3819-Z-312 cross reference.

The Meritor/Rockwell 3819-Z-312 is a 20.25″ × 11.812″ heavy-duty truck brake drum with 12 bolt holes on a 16″ bolt circle. TBP Auto manufactures brake drums to this spec in Vietnam — zero US AD/CVD duty, quoted within 24 hours.

DRUM SPECIFICATIONS

Brake surface diameter20.25″

Width11.812″

Height13.312″

Hub pilot14.5″

Bolt circle16″

Bolt holes12

Hole diameter1.031″

WE CAN MAKE THIS DRUM

Manufactured to spec, quoted within 24 hours.

Meritor/Rockwell 3819-Z-312 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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