1967–1974 VW Solid-State Regulator for 12V Generator 113903803E - OEM Number(s) (113-903-803-E)
1967–1974 12-Volt Generator Voltage Regulator – External Solid-State Upgrade
Replaces Points-Style Regulators – VW 113903803E
Protect your electrical system and ensure accurate charging with this 12-Volt Voltage Regulator, designed specifically for generator-equipped Air-Cooled VW models. This solid-state unit mounts under the rear seat and replaces earlier mechanical (points-style) Bosch regulators, offering better durability and more consistent voltage regulation across the board.
Because Details Matter
• Compatible with GR15X/N and GR17X 12V generators
• Direct-fit upgrade for Bosch 0190350068 and 0190350063 regulators
• Solid-state construction delivers stable, dependable charging
• Factory-style external box mounts under rear seat like original
• Prevents overcharging that can damage wiring and components
Tech Notes
• VW Part Number: 113-903-803-E
• Bosch OE Number: 9190040099
• Fits 12-volt generator systems only—not for alternator-equipped VWs
• Can also replace Bus 38AH regulator (1968–1971)
• Ensure your generator is functioning properly before replacing the regulator
Fitment
• Beetle (Standard): 1967–1973
• Beetle (Super): 1971–1973
• Karmann Ghia: 1967–1974
• Bus (Type 2): 1967–1971
• Thing: 1973–1974
• Type 3: 1967–1973
Preserve the integrity of your VW’s charging system with a dependable regulator designed for the unique needs of vintage generators. Easy to install and built to last, it’s a must-have for reliable 12-volt operation.
Also known under these part numbers: (For reference only)
- 113-903-803-E
- 7501110800175
- 9190040099E
- 98-9068-B