DOT plant code 1D3
United Tire & Rubber Manufacturing Company, Cobourg, Ontario, Canada. NHTSA's record names the company on this plant code. It does not list brands, and the status field is not a finding that the plant is operating.
Data-quality note
The name is the company on NHTSA's plant-code record. The record does not list tire brands, and this site does not claim a plant makes a given brand. The status field is the value vPIC stored. Active is not a finding that the company or the plant is operating. Data last verified October 21, 2026 (UTC). Data-quality notes.
- Current plant code
- 1D3
- Former code
- D3
- Plant name
- United Tire & Rubber Manufacturing Company
- Address
- Not included in the NHTSA record
- City and region
- Cobourg, Ontario
- Country
- Canada
- Status field
- Active. This is the value stored in vPIC, not a finding that the company or plant is operating today.
Tires molded with the older two-symbol code D3 point at this same plant record .
Decode a code that starts with 1D3 · How to read a DOT code · All plant codes