Standard Ignition GB-331 Distributor Rotor

Distributor Rotor for OE-Style Ignition Service

Standard Ignition GB-331 is a distributor rotor built for distributor and magneto ignition systems. It uses a push-on mount, phenolic rotor material, and brass contact material to support consistent spark transfer in the distributor cap.

For drivers searching for a distributor rotor for Volkswagen and Audi ignition repair, this Standard Ignition rotor offers a direct-service replacement format. The brown finish and non-RFI-coated contact terminal reflect a straightforward OE-style design for routine ignition maintenance.

Key Features

• Part number GB-331 distributor rotor
• Push-on mount type for straightforward distributor installation
• Phenolic rotor material for ignition system durability
• Brass contact material for spark transfer
• Brown color/finish
• Contents: distributor rotor
• Mounting hardware not included

Detailed Description

Standard Ignition GB-331 is a distributor rotor for ignition systems that use a distributor cap and rotor setup. The phenolic body helps provide electrical insulation, while the brass contact is used to carry spark energy through the rotor path. This part is a practical choice for ignition service on applications that call for a push-on rotor design.

This part cross-references OE-style numbers such as 021905225 and D576 for the same application. If you are replacing a worn rotor during Volkswagen or Audi ignition service, GB-331 provides a direct replacement format that matches the distributor rotor role in the ignition system.

What It Helps Address

• Engine misfire caused by a worn rotor contact
• Hard starting related to weak spark transfer
• Intermittent ignition performance from rotor wear
• Distributor cap contact issues from degraded rotor material
• Routine ignition tune-up replacement needs

Installation Notes and Tips

Inspect the distributor cap, rotor tip, and related ignition components before installation. Confirm the push-on mount seats fully on the distributor shaft and verify the rotor orientation matches the original part. Clean any corrosion or carbon tracking inside the cap before reassembly for consistent ignition performance.

Quality Assurance

Standard Ignition supplies ignition service parts for distributor and magneto applications, and GB-331 is built to the listed material and mounting specifications for direct replacement use.