This is a list of part suppliers for the 29 Durant models. I took this from an instruction manual I received for a 1929 model. I thought it might be of some technical help for those who are restoring their cars and forever searching at those flea market tables at the various shows.
Ammeter
W.G. Nagel Electric Co., Toledo, Ohio
Air Cleaner
Tillotson Mfg. Co, Toledo, Ohio
Battery
U.S.L. Battery Corp, Niagara Falls, New York
Carburetor
Tillotson Mfg. Co, Toledo, Ohio
Circuit Breaker
Electric Auto-Lite Co., Toledo, Ohio
Coil
Electric Auto-Lite Co., Toledo, Ohio
Headlight Beam Control Switch
Delco-Remy Co, American, Indiana
Generator
Electric Auto-Lite Co., Toledo, Ohio
Gasoline Gauge
W.G. Nagel Electric Co., Toledo, Ohio
Horn
E.A. Laboratories, Inc, Brooklyn, New York
Northeast Electric Company, Rochester, New York
Igniter
Electric Auto-Lite Co., Toledo, Ohio
Ignition Switch
Shaler Lock Col., Milwaukee, Wisconsin
Lighting Switch
Clum Mfg. Co., Milwaukee, Wisconsin
Oil Pressure Gauge
W.G. Nagel Electric Co., Toledo, Ohio
Saf-T-Stat (Motor Heat Indicator)
W.G. Nagel Electric Co., Toledo, Ohio
Speedometer
Stewart-Warner Speedometer Corp., Chicago, Illinois
Northeast Electric Co., Rochester, New York
Starting Motor
Electric Auto-Lite Co., Toledo, Ohio
Tires
Fisk Rubber Company, Chicopee Falls, Massachusetts
United States Rubber Co., Detroit, Michigan
Ajax Rubber Co., Racine, Wisconsin
Wheels-Wire
Budd Wheel Co., Detroit, Michigan
Windshield Wiper
Trico Products Corp., Buffalo, New York

Information Donated by Mike Linthicum