My Garage
Cart

Genuine Volkswagen Beetle Voltage Regulator

Adjustable Voltage Regulator
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Voltage Regulators found

  • Volkswagen Beetle Voltage Regulator - 038-903-803-E
    Diagram for Volkswagen Beetle Voltage Regulator - 038-903-803-E
    View related parts

    Volkswagen Beetle Voltage Regulator Part Number: 038-903-803-E

    $105.01 MSRP: $147.07
    You Save: $42.06 (29%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Regulator
    • Replaces: 038-903-803-EX
    • Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
    Fits the following Vehicles:
    • 1998-2007 Volkswagen Beetle | 2.5, Base, GL, GLS, GLS TDI, GLX, Sport, TDI, Turbo S | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
  • Volkswagen Beetle Voltage Regulator - 028-903-803-DX
    Diagram for Volkswagen Beetle Voltage Regulator - 028-903-803-DX
    View related parts

    Volkswagen Beetle Voltage Regulator Part Number: 028-903-803-DX

    $221.33 MSRP: $309.99
    You Save: $88.66 (29%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Regulator
    • Replaced by: 028-903-803-D
    • Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
    Fits the following Vehicles:
    • 1998-2001 Volkswagen Beetle | GL, GLS, Sport, TDI | 4 Cyl 1.9 L DIESEL
  • Volkswagen Beetle Voltage Regulator - 070-903-803-E
    Diagram for Volkswagen Beetle Voltage Regulator - 070-903-803-E
    View related parts

    Volkswagen Beetle Voltage Regulator Part Number: 070-903-803-E

    $237.99 MSRP: $333.32
    You Save: $95.33 (29%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Regulator
    • Replaces: 078-903-803-E, 070-903-803-B, 078-903-803-EX
    • Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
    Fits the following Vehicles:
    • 2013, 1998-2005 Volkswagen Beetle | Base, GL, GLS, GLX, Sport, Turbo, Turbo S | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS

Volkswagen Beetle Voltage Regulator

The Volkswagen Beetle's Voltage Regulator provides a stable charge to protect the battery and onboard electronics from harmful spikes in voltage, confident starts, bright lights, and dependable components under all driving conditions. The electronic circuitry within the alternator is so well designed that it can make thousands of adjustments of field current per second. The output of this alternator has been smoothed out to regulate voltage to a level of 13.5 to 14.5 volts. This range is the optimal to promote battery life while preventing lamp burn-out and ignition misfiring. Those who own a vintage Volkswagen vehicle in particular value the proven durability of its solid-state components, which have replaced the old mechanical contacts that tended to pit. Thus, engine performance remains consistent for years without needing to be readjusted periodically. Moreover, the Voltage Regulator itself will not require tuning by hand. The classic external-mount and later alternator-integrated systems applied on several Beetle generations simplify the installation when revitalizing an old or upgrading from the original contact-point charging circuit. Effective over-voltage protection ensures wired cabin safety, which reduces the risk of any wire overheating that can occur with prolonged highway speeds or heavy loads. Sealed design for moisture and underbody debris resistance, clearly marked terminals for a quick secure connection that locks solid after multiple thermal cycles. This combination of tough construction and adept regulation enhances engine performance by eliminating the parasitic drag incurred during overcharging, which translates to smoother throttle response and fractional fuel savings during everyday usage. The component possesses the unique capacity of adapting instantaneously to sudden electrical demands. These electrical demands may come when the heater fan starts running or when you drive at night. This ability is what underpins the legendary reliability associated with the Volkswagen nameplate. The famed reliability associated with the Beetle proves this. This Voltage Regulator is a real piece of essential technology that is a must-have in today's automotive parts universe.

Choose OEM Voltage Regulator for superior quality and long-lasting durability. They match the Volkswagen's factory specifications exactly and pass strict quality control. If you plan to replace Voltage Regulator on your Beetle, put OEM at the top of your list. You'll get the right fit, reliable performance, and peace of mind. We stock an extensive inventory of genuine Volkswagen Beetle parts. It is easy to find what you need. You will love our competitive prices that help you save. No more hassle with returns or guesswork. Every part includes a warranty straight from the manufacturer. Get trusted quality, strong durability, and real value today.

Related Volkswagen Beetle Parts