WAI 17781N Starter

Reliable Starter for Volkswagen Beetle, Derby, Golf, and Jetta

The WAI 17781N starter is designed to provide dependable engine starting performance for select Volkswagen models. Featuring a permanent magnet gear reduction design, this starter ensures efficient power delivery and smooth operation for your Beetle, Derby, Golf, or Jetta.

• Permanent magnet gear reduction design for improved efficiency
• Counterclockwise (left) starter rotation
• 9-tooth pinion gear for precise engagement
• Flange mounting type for secure installation
• Power rating of 1.1 kW suitable for Volkswagen applications

Technical Details and Design Features

The WAI 17781N starter belongs to the Bosch family of starter components, known for their engineering compatibility with Volkswagen vehicles. Its permanent magnet gear reduction design reduces the starter's size and weight while maintaining strong torque output. The counterclockwise rotation and 9-tooth pinion gear are specifically matched to the engine requirements of Volkswagen Beetle, Derby, Golf, and Jetta models. The flange mounting type ensures a stable and precise fit, minimizing vibration and wear during operation.

Compatible Volkswagen Models and Applications

This starter is compatible with the following Volkswagen vehicles:

• Volkswagen Beetle
• Volkswagen Derby
• Volkswagen Golf
• Volkswagen Jetta

It is designed to replace original equipment starters with part number 17781N, providing a direct fit and reliable performance for these models.

Common Issues Addressed by the WAI 17781N Starter

• Engine fails to crank or slow cranking
• Intermittent starting problems
• Starter motor noise or grinding due to worn pinion gear
• Reduced starter torque affecting cold starts
• Starter motor overheating or premature failure

Installation Notes and Tips

Ensure the vehicle battery is fully charged before installation to avoid electrical issues. Verify the starter rotation direction and tooth count match the original part to prevent engagement problems. Use proper torque specifications when securing the flange mount to maintain alignment and prevent damage. It is recommended to inspect related electrical connections and wiring for corrosion or wear during replacement.

Quality Assurance and Warranty

The WAI 17781N starter is manufactured to meet OEM standards for fit, form, and function. It undergoes rigorous testing to ensure durability and reliable starting performance. Please refer to WAI's warranty policy for specific coverage details.