VALEO Voltage Regulator 06B803903 – New – 12V – For Valeo Alternators (DE-3415131OE)

If your car's alternator is overcharging or not charging, the voltage regulator might be bad.

This is a brand new, genuine VALEO regulator (part 06B803903, also crosses with 06B903803B, 12427516175, and many others).

It's a 12V electronic regulator, commonly used in Valeo alternators.

The part number is DE-3415131OE.

Direct replacement – just swap it out and your charging system should be back to normal.

VALEO is OEM for many European cars.

If your regulator is cooked, this is the fix.

EAN not applicable, but it's genuine Valeo.