Standard Ignition DU-316 Distributor Rotor

Distributor Rotor for Ignition Service

The Standard Ignition DU-316 distributor rotor is a push-on replacement rotor built for distributor and magneto ignition systems. It uses a brass contact material and a plastic rotor body with a white finish, making it a direct service part for ignition maintenance on applications such as Dodge Dakota and Chrysler Concorde where this rotor number is specified.

Key Features

• Standard Ignition DU-316 distributor rotor
• Push-on mount type for straightforward distributor installation
• Brass contact material for consistent spark transfer
• Plastic rotor construction with white finish
• Contents: distributor rotor
• Cross-references Hayden 5937 for the same application

Detailed Product Description

Standard Ignition DU-316 is a distributor rotor for ignition systems that rely on a rotor to route secondary ignition voltage through the distributor cap. The brass contact helps maintain reliable electrical contact, while the plastic rotor body provides the insulating structure needed for proper ignition operation. This part number is also referenced as DU-316 in interchange listings, and it cross-references Hayden 5937 for the same application. For buyers searching for a distributor rotor for Dodge Dakota or Chrysler Concorde ignition repair, DU-316 is a direct replacement reference to verify against the original part number.

What This Part Helps Address

• Engine misfire caused by worn rotor contact surfaces
• Hard starting related to weak distributor spark routing
• Ignition crossfire from damaged or carbon-tracked rotor components
• Rough idle tied to inconsistent secondary ignition delivery
• Distributor service needs during tune-up or ignition maintenance

Installation Notes and Tips

Install the rotor on the distributor shaft using the push-on mount style and confirm it seats fully before reassembling the cap. Inspect the distributor cap, terminals, and ignition wires at the same time, since worn companion parts can affect rotor performance. Verify the original part number DU-316 and match the vehicle application before installation.

Quality Assurance

Standard Ignition supplies ignition service parts for replacement use, and DU-316 is listed with interchange references to support part-number verification during ordering and repair.