| For manufacturer |
|
| Rated voltage (V) | 12 |
Expresslevering
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
| Manufacturer | Productnumber |
| SEAT | 038 903 803K , 038903803K |
| SEAT | 06B 903 803 , 06B903803 |
| SEAT | 06B 903 803A , 06B903803A |
| SEAT | 06B 903 803B , 06B903803B |
| VW | 038 903 803K , 038903803K |
| VW | 06B 903 803 , 06B903803 |
| VW | 06B 903 803A , 06B903803A |
| VW | 06B 903 803B , 06B903803B |
| SKODA | 038 903 803K , 038903803K |
| SKODA | 06B 903 803 , 06B903803 |
| SKODA | 06B 903 803A , 06B903803A |
| SKODA | 06B 903 803B , 06B903803B |
| AUDI | 038 903 803K , 038903803K |
| AUDI | 06B 903 803 , 06B903803 |
| AUDI | 06B 903 803A , 06B903803A |
| AUDI | 06B 903 803B , 06B903803B |
| CUPRA | 038 903 803K , 038903803K |
| CUPRA | 06B 903 803 , 06B903803 |
| CUPRA | 06B 903 803A , 06B903803A |
| CUPRA | 06B 903 803B , 06B903803B |
| PORSCHE | 038 903 803K , 038903803K |
| PORSCHE | 06B 903 803 , 06B903803 |
| PORSCHE | 06B 903 803A , 06B903803A |
| PORSCHE | 06B 903 803B , 06B903803B |
| VAG | 038 903 803K , 038903803K |
| VAG | 06B 903 803 , 06B903803 |
| VAG | 06B 903 803A , 06B903803A |
| VAG | 06B 903 803B , 06B903803B |
| Usage numbers |
| 109 918 001 |
| HP109 918 |
| 4063926002332 |
| 9038090000014 |
| 9038090000205 |
The Alternator Regulator (109 918) regulates alternator voltage for safe battery charging. Replacing it with a Porza-quality regulator restores stable power and electrical system protection.
An alternator regulator, also known as a voltage regulator, is an electronic component that controls the output voltage of the alternator. Its function is to maintain a stable voltage level to protect the battery and electrical systems from overcharging or undercharging.
Key specifications include voltage rating, current capacity, connector type, mounting design, and compatibility with the alternator and vehicle. It must provide precise voltage control under varying operating conditions.
Replacement is necessary when the regulator fails or becomes inaccurate. Common symptoms include battery overcharging, undercharging, fluctuating voltage, warning lights, or electrical system issues.
Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.
Porza provides high-quality electrical components with fast delivery across Europe and options for online ordering or in-store pickup.
If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.