A4345 12V 120A Alternator Fits Vauxhall Astra, Vauxhall Astra GTC
Price range: £115.97 through £155.22
Compare the A4345 12V 120A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected Vauxhall Astra, Vauxhall Astra GTC, Vauxhall Cascada, Vauxhall Insignia models. Identification references include Lucas LRA04345, Valeo TG12C154. 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 A4345 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 120 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 53.5 mm |
| Mounting holes | 3 qty |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 5.98 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4345 | Dyno Electrics |
| 13586365 | General Motors |
| 13586366 | General Motors |
| 135907120 | PSH |
| 95519877 | General Motors |
| LRA04345 | Lucas |
| LRA4345 | Lucas |
| TG12C154 | Valeo |
| TG12C282 | Valeo |
Alternative Parts
| Alternative Part | Current Description | Alternative Description | Direct Alternative |
|---|---|---|---|
| A4050 | 120A | 140A | Yes |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| OPEL | Astra | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | J | 68 | 2012 - 2015 | |
| OPEL | Astra | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | J | Sports Tourer | 35 | 2012 - 2015 |
| OPEL | Astra | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | J | 69 | 2012 - 2015 | |
| OPEL | Astra GTC | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | J | GTC | 8 | 2012 - 2018 |
| OPEL | Astra GTC | 1.6 (1598ccm) Petrol | A16SHT/B16SHT | J | GTC | 8 | 2013 - 2018 |
| OPEL | Cascada | 1.6 (1598ccm) Petrol | A16SHT/B16SHT/D16SHT | 67 | 2013 - 2018 | ||
| OPEL | Cascada | 1.6 (1598ccm) Petrol | A16XHT/B16SHL/D16SHL | 67 | 2013 - 2019 | ||
| OPEL | Insignia | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | A | 68 | 2013 - 2017 | |
| OPEL | Insignia | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | A | 69 | 2013 - 2017 | |
| OPEL | Insignia Country Tourer | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | A | Country Tourer | 47 | 2014 - 2017 |
| OPEL | Insignia Sports Tourer | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | A | Sports Tourer | 35 | 2013 - 2017 |
| OPEL | Zafira Tourer | 1.6 (1598ccm) Petrol | A16XHT/B16SHL/D16SHL | C | 75 | 2012 - 2019 | |
| OPEL | Zafira Tourer | 1.6 (1598ccm) Petrol | A16SHT/B16SHT/D16SHT | C | 75 | 2013 - 2018 | |
| VAUXHALL | Astra | 1.6 (1598ccm) Diesel | B16DTH | J | Sports Tourer | 35 | 2014 - 2015 |
| VAUXHALL | Astra | 1.6 (1598ccm) Diesel | B16DTL | J | Sports Tourer | 35 | 2014 - 2015 |
| VAUXHALL | Astra GTC | 1.6 (1598ccm) Diesel | B16DTH | J | GTC | 8 | 2014 - 2018 |
| VAUXHALL | Astra GTC | 1.6 (1598ccm) Diesel | B16DTL | J | GTC | 8 | 2014 - 2018 |
| VAUXHALL | Astra GTC | 1.6 (1598ccm) Petrol | A16SHT/B16SHT | J | GTC | 8 | 2013 - 2018 |
| VAUXHALL | Cascada | 1.6 (1598ccm) Petrol | A16SHT/B16SHT | 67 | 2013 - | ||
| VAUXHALL | Cascada | 1.6 (1598ccm) Petrol | A16XHT/B16SHL | 67 | 2013 - | ||
| VAUXHALL | Insignia | 1.6 (1598ccm) Petrol | A16XHT | A | 68 | 2013 - 2017 | |
| VAUXHALL | Insignia Sports Tourer | 1.6 (1598ccm) Petrol | A16XHT | A | Sports Tourer | 35 | 2013 - 2017 |
| VAUXHALL | Zafira Tourer | 1.6 (1598ccm) Petrol | A16SHT/B16SHT/D16SHT | C | 75 | 2013 - 2018 |
Description
A4345 Replacement Alternator
The A4345 alternator is a replacement unit identified by Lucas reference LRA04345. 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 1.6 Diesel 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.
- 3 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 1.6 Diesel – selected applications 2014–2015 (engine code B16DTH).
- Vauxhall Astra GTC 1.6 Diesel – selected applications 2014–2018 (engine code B16DTH).
- Vauxhall Cascada 1.6 Petrol – selected applications 2013 – (engine code A16SHT/B16SHT).
- Vauxhall Insignia 1.6 Petrol – selected applications 2013–2017 (engine code A16XHT).
- Vauxhall Insignia Sports Tourer 1.6 Petrol – selected applications 2013–2017 (engine code A16XHT).
- Vauxhall Zafira Tourer 1.6 Petrol – selected applications 2013–2018 (engine code A16SHT/B16SHT/D16SHT).
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 A4345. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
TG12C154, TG12C282, LRA04345, LRA4345
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 A4345 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 A4345 fit my Vauxhall Astra?
Vauxhall Astra 1.6 Diesel (2014–2015) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4345 replace Lucas LRA04345?
Lucas LRA04345 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 A4345?
The listed details include 12V, 120A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4345 new or remanufactured?
Check the current product condition selection for A4345. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4345?
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.
