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T4,G3,G4 Alternator Regulator (For Valeo Or Motorola Alternator)

This voltage regulator is designed for Valeo or Motorola alternators and restores correct charging performance across a wide range of Volkswagen vehicles. It regulates alternator output to a stable 14.5 volts, protecting the battery and electrical system from overcharging, undercharging, and voltage spikes.

A worn regulator can cause battery warning lights, poor starting, fluctuating lights, or repeated battery failures. Replacing the regulator is a straightforward and cost-effective repair that often avoids the need for a complete alternator replacement.

Important: This regulator is not suitable for Bosch alternators. Always confirm the alternator manufacturer before ordering.


Alternator Type

  • Valeo / Motorola

  • Rated Voltage: 12V

  • Operating Voltage: 14.5V


Vehicle Applications

VW Transporter T4 (1991–1998)
Petrol and diesel models including 1.9D, 2.4D, 2.5D, 2.0, 2.5 and 2.8 engines

VW Golf Mk3 (1992–1998)
Petrol, diesel and VR6 models fitted with Valeo or Motorola alternators

VW Golf Mk4 (late models up to 2001)
Selected petrol and diesel models with Valeo/Motorola alternators

VW Corrado (1989–1995)
2.0 petrol and VR6 models with Valeo/Motorola alternators

VW Passat (B3, B4, early B5)
Petrol and diesel saloon and estate models

VW Bora
Petrol models (saloon and estate)

VW Polo (6N & Classic)
Petrol and diesel models

VW Vento
Petrol and diesel models

VW Sharan
Petrol and diesel models

VW Caddy Mk2
Petrol and diesel models

VW LT Mk2
Diesel models with Valeo/Motorola alternators

VW New Beetle
2.0 petrol models

This Part Fits: T4 Transporter, Mk3 Golf, Mk4 Golf, Corrado, Mk3 Polo,

Availability: Special Order Item

Item Name: Alternator Regulator

Description: Alternator Regulator

Product Group: Electric

Group: Alternator

Unit of Measure: Each

Manufacturer: JP

Dimensions:

Width: 75mm

Height: 75mm

Depth: 42mm

Volume: 236250mm3

Weight: 0.0723kg

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