Alternator Voltage Regulator 12V Audi A6 A8 Q7 Cayenne Touareg 2 Pin COM BSS3 14.3V REG0051

Vehicle Compatibility

• Audi A6 2.0L
• Audi A6 2.4L
• Audi A6 2.7L
• Audi A6 2.8L
• Audi A6 3.0L
• Audi A6 3.2L
• Audi A8 3.0L
• Audi Q7
• Porsche Cayenne
• Volkswagen Touareg 3.0L V6

Confirm by alternator label and plug style before ordering.

Specifications

• Voltage: 12 V
• Operating Voltage: 14 V
• Charging Voltage: 14.3 V
• VS Range (as provided): 10.7 V to 16.0 V
• VS (as provided): 14.0 V
• Specification: BSS (COM)
• BSS: 3
• Plug Type: ID CPU-D
• Number of Pins: 2 Pin (COM)
• COM Type: BSS-DUMMY
• Type: IR/IF (Internal Regulator, Internal Fan)
• Circuit Regulator: B-Circuit

OE Numbers

• VAG: 059903803G

Features

• 12V alternator voltage regulator for VAG applications listed
• 2 pin COM connection with BSS (COM) BSS3 specification
• BSS-DUMMY COM type as supplied
• Regulated charging at 14.3 V with 14V operating reference
• IR/IF internal regulator and internal fan design as provided

Why Buy From Us

• Workshop-friendly parts support and alternator matching assistance
• Fast nationwide courier delivery across South Africa
• Quality-checked automotive electrical components

Trusted by thousands of South African drivers for quality and durability.

Installation & Maintenance Tips

• Confirm by alternator label and plug style before ordering.
• Disconnect the battery before alternator removal and strip-down.
• Confirm the 2 pin COM plug and regulator mounting match the alternator before fitment.
• Inspect brushes, slip rings, and internal alternator wiring for wear or heat damage.
• After installation, verify charging voltage stability and check for charging/COM related faults where applicable.