A4399 12V 150A Alternator Fits Audi A4, Audi A5
Price range: £220.00 through £352.00
The A4399 12V 150A Alternator is a replacement charging unit from Sahibs Auto Electrics. Listed applications include selected Audi A4, Audi A5 models. Identification references include Lucas LRA04399. Its listed 12V 150A rating provides an electrical matching point for your existing unit. Compare the pulley, connections and mounting arrangement with your existing alternator. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A4399 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 150 A |
| Volt | 12 V |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 6.36 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4399 | Dyno Electrics |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | A4 | 1.4 (1395ccm) Petrol | CVNA | B9 | 8W2 | 2015 - 2019 | |
| AUDI | A4 | 1.4 (1395ccm) Petrol | CVNA | B9 | Avant | 8W5 | 2016 - 2019 |
| AUDI | A5 | 1.4 (1395ccm) Petrol | CVNA | F53 | 2016 - 2020 | ||
| AUDI | A5 | 1.4 (1395ccm) Petrol | CVNA | Sportback | F5A | 2017 - 2020 |
Description
A4399 Replacement Alternator
Start your A4399 alternator comparison with the linked Lucas reference LRA04399 and the specifications shown on this page. The listed electrical rating is 12V 150A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Audi A4 1.4 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 150A output: compare the listed rating with the original alternator.
- Lucas LRA04399 reference: a starting point for identifying the replacement.
- SKU A4399: use this code when requesting parts support.
Compatible Vehicles and Applications
- Audi A4 1.4 Petrol – selected applications 2015–2019 (engine code CVNA).
- Audi A5 1.4 Petrol – selected applications 2016–2020 (engine code CVNA).
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 A4399. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
LRA04399
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 A4399 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 A4399 fit my Audi A4?
Audi A4 1.4 Petrol (2015–2019) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4399 replace Lucas LRA04399?
Lucas LRA04399 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 A4399?
The listed details include 12V, 150A output. Compare the complete specifications on this page with the unit being replaced.
Is A4399 new or remanufactured?
Check the current product condition selection for A4399. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4399?
Compare 12V compatibility, 150A 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.
