A4423 12V 120A Alternator Fits Vauxhall Astra, Vauxhall Astra GTC

Price range: £132.53 through £175.58

Sahibs A4423 is a replacement alternator with a listed 12V 120A rating. Listed applications include selected Vauxhall Astra, Vauxhall Astra GTC, Opel Astra, Opel Astra GTC models. Identification references include Lucas LRA04423, Valeo TG12C072. Its listed 12V 120A rating provides an electrical matching point for your existing unit. Check the 6-groove pulley, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A4423 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.

SKU: A4423 Category:

Product Specification

DescriptionValue
AMP120 A
Volt12 V
No. of Grooves6 qty
Pulley Diameter54 mm
Mounting holes4 qty
B+M8
Insulated ReturnNo
Water cooledNo
Vacuum pumpNo
Start/StopNo
Weight6.34 Kg

Cross Reference

Reference NumberBrand
DYA4423Dyno Electrics
401722651Euro Car Part
116389HC-Cargo
1202187Opel
1202464Opel
13500583General Motors
135532120PSH
95519899General Motors
F032116389HC-Cargo
LRA04423Lucas
LRA4423Lucas
TG12C072Valeo

Alternative Parts

Alternative PartCurrent DescriptionAlternative DescriptionDirect Alternative
A3361120A Position af terminals100A Position of terminalsNo
A4216120A140AYes
A3466120A130AYes

Vehicle Applications

BrandModelEngineEngine CodeSeriesModel TypeTypeYear
OPELAstra1.4 (1364ccm) LPG (with or without Petrol)A14NETJSports Tourer352012 - 2015
OPELAstra1.4 (1364ccm) LPG (with or without Petrol)A14NETJ682012 - 2015
OPELAstra1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NETJ692014 - 2018
OPELAstra1.4 (1364ccm) PetrolA14NET/B14NETJ682009 - 2015
OPELAstra1.4 (1364ccm) PetrolA14NEL/B14NELJSports Tourer352010 - 2015
OPELAstra1.4 (1364ccm) PetrolA14NET/B14NETJSports Tourer352010 - 2015
OPELAstra1.4 (1364ccm) PetrolA14NEL/B14NELJ682010 - 2015
OPELAstra1.4 (1364ccm) PetrolA14NEL/B14NELJ692012 - 2015
OPELAstra1.4 (1364ccm) PetrolA14NET/B14NETJ692012 - 2018
OPELAstra1.4 (1398ccm) PetrolA14XER/B14XERJ682009 - 2015
OPELAstra1.4 (1398ccm) PetrolA14XELJ682009 - 2015
OPELAstra1.4 (1398ccm) PetrolA14XELJSports Tourer352010 - 2015
OPELAstra1.4 (1398ccm) PetrolA14XER/B14XERJSports Tourer352010 - 2015
OPELAstra1.4 (1398ccm) PetrolA14XER/B14XERJ692012 - 2015
OPELAstra1.4 (1398ccm) PetrolA14XELJ692014 - 2015
OPELAstra GTC1.4 (1364ccm) PetrolA14NET/B14NETJGTC82011 - 2018
OPELAstra GTC1.4 (1364ccm) PetrolA14NEL/B14NELJGTC82011 - 2018
OPELAstra GTC1.4 (1398ccm) PetrolA14XERJGTC82011 - 2013
OPELCascada1.4 (1364ccm) PetrolA14NET/B14NET672013 - 2018
OPELInsignia1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NETA682012 - 2017
OPELInsignia1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NETA692012 - 2017
OPELInsignia1.4 (1364ccm) PetrolA14NET/B14NETA692011 - 2017
OPELInsignia1.4 (1364ccm) PetrolA14NET/B14NETA682011 - 2017
OPELInsignia Sports Tourer1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NETASports Tourer352012 - 2017
OPELInsignia Sports Tourer1.4 (1364ccm) PetrolA14NET/B14NETASports Tourer352011 - 2017
OPELMeriva1.4 (1364ccm) PetrolA14NET/B14NETB752010 - 2017
OPELMokka1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NET762013 - 2019
OPELMokka1.4 (1364ccm) PetrolA14NET/B14NET762012 - 2019
OPELZafira Tourer1.4 (1364ccm) LPG (with or without Petrol)A14NET/B14NETC752011 - 2018
OPELZafira Tourer1.4 (1364ccm) PetrolA14NET/B14NETC752011 - 2018
VAUXHALLAstra1.4 (1364ccm) PetrolA14NET/B14NETJ682009 - 2015
VAUXHALLAstra1.4 (1364ccm) PetrolA14NETJSports Tourer352010 - 2015
VAUXHALLAstra1.4 (1364ccm) PetrolA14NELJ682010 - 2015
VAUXHALLAstra1.4 (1398ccm) PetrolA14XER/B14XERJ682009 - 2015
VAUXHALLAstra1.4 (1398ccm) PetrolA14XELJ682009 - 2015
VAUXHALLAstra1.4 (1398ccm) PetrolA14XELJSports Tourer352009 - 2015
VAUXHALLAstra1.4 (1398ccm) PetrolA14XER/B14XERJSports Tourer352010 - 2015
VAUXHALLAstra GTC1.4 (1364ccm) PetrolA14NET/B14NETJGTC82011 - 2018
VAUXHALLAstra GTC1.4 (1364ccm) PetrolA14NEL/B14NELJGTC82011 - 2018
VAUXHALLAstra GTC1.4 (1398ccm) PetrolA14XERJGTC82011 - 2018

Description

A4423 Replacement Alternator

For a A4423 alternator enquiry, use Lucas reference LRA04423 alongside the vehicle and original unit details. The listed electrical rating is 12V 120A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Vauxhall Astra 1.4 Petrol variants.

Key Features and Benefits

  • 12V electrical system: match the vehicle voltage before selecting a unit.
  • 120A output: compare the listed rating with the original alternator.
  • 6-groove pulley: check belt profile and alignment against the existing unit.
  • 4 mounting holes: compare the fixing pattern and unit position.
  • M8 B+ terminal: check the connection against the original unit.

Compatible Vehicles and Applications

  • Vauxhall Astra 1.4 Petrol – selected applications 2009–2015 (engine code A14NET/B14NET).
  • Vauxhall Astra GTC 1.4 Petrol – selected applications 2011–2018 (engine code A14NET/B14NET).
  • Opel Astra 1.4 LPG (with or without Petrol) – selected applications 2012–2015 (engine code A14NET).
  • Opel Astra GTC 1.4 Petrol – selected applications 2011–2018 (engine code A14NET/B14NET).
  • Opel Cascada 1.4 Petrol – selected applications 2013–2018 (engine code A14NET/B14NET).
  • Opel Insignia 1.4 LPG (with or without Petrol) – selected applications 2012–2017 (engine code A14NET/B14NET).

These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.

OE Numbers and Cross-Reference Information

The following cross-reference numbers are associated with A4423. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

TG12C072, LRA04423, LRA4423

The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.

When Should You Replace Your Alternator?

Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.

Why Buy from Sahibs Auto Electrics?

Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A4423 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.

Frequently Asked Questions

Will A4423 fit my Vauxhall Astra?

Vauxhall Astra 1.4 Petrol (2009–2015) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does A4423 replace Lucas LRA04423?

Lucas LRA04423 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.

What specifications are listed for A4423?

The listed details include 12V, 120A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.

Is A4423 new or remanufactured?

Check the current product condition selection for A4423. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering A4423?

Compare 12V compatibility, 120A output, pulley configuration, mounting points and electrical connections with the original alternator.

Does a battery warning light prove the alternator has failed?

No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.

Need Help Finding the Right Part?

Send us your existing part number or cross-reference, and our team can help identify the correct unit.