AMR5425 | Alternator A127i 100A - 2.5L 300Tdi, 2.5 Tdi EGR | Discovery 1
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To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: AMR5425 - Alternator A127i 100A
AMR5425 is an A127i 100A alternator. Fitted to Discovery 1 300Tdi models, this unit supplies up to 100 amps to charge the battery and power vehicle electrical systems. The alternator converts mechanical energy from the engine into electrical energy and delivers regulated output to the vehicle charging circuit; installation requires electrical and belt-drive connections and the unit mounts to the engine accessory drive. The higher 100A output is suitable for additional accessories commonly fitted to Discovery 1 300Tdi vehicles, including auxiliary lights and winches. Check belt alignment and wiring condition when replacing to avoid premature failure of the new unit.
Please note: Battery must be fully recharged before fitting this new alternator. Failure to do so may affect any future warranty claim.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Discovery 1 (1989-1998) - 2.5L 300 Tdi; 2.5 Tdi EGR (Gem) - From VIN FA393361 to WA799999; 300 Tdi from VIN MA081992
Frequently Asked Questions
The AMR5425 alternator converts mechanical energy from the engine into electrical energy and supplies up to 100 amps of regulated charging current to the battery and vehicle electrical system. Designated A127i, its higher 100A output supports additional accessories commonly fitted to Discovery 1 300Tdi vehicles, such as auxiliary lights and winches. When replacing the unit ensure electrical connections and belt-drive alignment are checked to help avoid premature failure.
| Model | Variant |
|---|---|
| Land Rover Discovery 1 (1989-1998) - Classic (L318) | 2.5 Tdi EGR (Gem) - From VIN FA393361 to WA799999 |
| Land Rover Discovery 1 (1989-1998) - Classic (L318) | 2.5L 300 Tdi - From VIN MA081992 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Please consult a qualified technician or the vehicle workshop manual for specific replacement guidance.
- C8 products are usually supplied by Britpart.
- Z8 products are normally supplied by Allmakes.
All products and accessories available on LRDirect.com come with a 2-year warranty.