Womala Alternator LR013843 for Land Rover Discovery 4

Product Overview

The Alternator LR013843 is a Genuine OE-grade charging system component engineered for select for Land Rover vehicles equipped with the 2.7L TDV6 diesel engine (Lion). Driven by the accessory belt, it converts mechanical energy from the running engine into electrical power, charging the battery and supplying the vehicle's electrical systems . LR013843 has been superseded by LR073680, which is the current replacement part .

Key Features

• Belt-driven charging unit – converts engine power into electrical current to charge the battery and run vehicle systems

• 150A output – 12V, 6-groove pulley with freewheel belt pulley 

• OE-grade quality – genuine Land Rover specification, manufactured by Denso 

• Direct-fit replacement – matches factory mounting points and electrical connections

• For 2.7L TDV6 diesel engines – Lion diesel V6 engine family

OE Cross-Reference

Additional references: AH2210300BA, AH2210300BB, LR070953 

Technical Specifications

Vehicle Fitment

Extended applications (verify with VIN):

• Discovery 4 (L319) – all engine variants from VIN AA000001 

⚠️ Important: This alternator is specifically for the 2.7L TDV6 diesel engine as the primary application . Some listings also show compatibility with 3.0L diesel, 3.0L petrol, and 5.0L petrol variants on Discovery 4 . Does not fit Discovery 3 . Fitment varies by model year, production date, and VIN range – verify before ordering.

Signs of Failure

• Battery warning light – illuminated on instrument cluster

• Dimming headlights – lights dim at idle, indicating low charge

• Battery not charging – battery goes flat despite alternator belt turning

• Unusual noises – whining, grinding, or screeching from the alternator area

• Electrical system issues – erratic operation of electrical components

💡 Alternator failure is common on high-mileage TDV6 engines. When replacing the alternator, it's worth checking the drive belt and tensioner condition .

Critical – Verify Your VIN Before Ordering

Alternators are VIN‑, engine‑, and model‑year‑specific. LR073680 supersedes LR013843 . Provide your VIN – our team confirms exact compatibility before dispatch. We cannot accept returns for misordered parts without VIN verification.

💡 Installation Tip: Professional installation recommended. The alternator is mounted at the front of the engine, driven by the serpentine accessory belt . Inspect the drive belt and tensioner for wear during replacement – they often need renewal at the same time . Disconnect the battery before starting work.

Why Choose Us

Contact us for bulk orders or VIN‑checked quotes.

Specifications subject to change; images for reference only.Aftermarket replacement – not affiliated with Jaguar Land Rover.

Frequently Asked Questions

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