Bosch 14V Voltage Regulator 30019 | VW Beetle Bus Ghia Type 3 | OEM External Regulator 113903803E

Keep your vintage Volkswagen charging system reliable with this Bosch 14V External Voltage Regulator (part number 30019), designed for air-cooled VW vehicles using a 12V generator system. This high-quality OEM-style regulator is a direct replacement for the original part number 113903803E and delivers consistent voltage control, helping to protect your battery, lights, and electrical system.

Manufactured by Bosch, a globally trusted OEM supplier, this regulator ensures your generator delivers steady, reliable power — exactly what your VW needs to stay running strong.

✔️ Product Features:

Bosch OEM-quality voltage regulator

For 12V electrical systems with external regulator Bosch generators

Regulates output at approx. 14 volts

Rugged, heat-resistant aluminum housing

Pre-wired for easy installation

📌 Technical Specifications:

Voltage: 14V

Mounting Style: External regulator (screw-mount)

Bosch Part #: 30019

Replaces VW Part #: 113903803E

Compatible with Bosch generator part # GR15 / GR17

🔧 Fitment (vehicle compatibility):

VW Beetle (1967–1974)

VW Karmann Ghia (1967–1974)

VW Type 3 (Fastback, Squareback, Notchback)

VW Bus / Transporter (1967–1971)

For use with Bosch externally regulated 12V generators

🔎 Notes:

Not for use with alternator-equipped vehicles

Mounts under rear seat or in engine bay

Ensure generator and wiring are in good condition before installation

Why buy from Kairous Inc?

✅ Authentic Bosch – No imitations
✅ Free U.S. Shipping
✅ Expert VW Support Team
✅ 9-Month Warranty on Defects
✅ Fast Handling + 30-Day Easy Returns

⚙️ Restore your classic VW’s charging system with the same part it left the factory with. Add the Bosch 30019 voltage regulator to your cart now!

BOSCH Voltage Regulator – 12v (9190040099E, 30019) Fits:

• VW Type 1: 1967 – 1973
• VW Type 2: 1967 – 1971
• VW Type 3: 1967 – 1973
• VW Super Beetle: 1971 – 1973

BOSCH Voltage Regulator, 12v, Made in Mexico, 9190040099E, 30019.

(fitment years are merely suggestive, as modifications and specific vehicle models may or may not be different, if you have any questions regarding fitment, send us an email at: info@kairousinc.com)