This 65-amp Alternator (Part No. AMR4249) is the correct, verified charging unit for Land Rover Defender models equipped with the 300Tdi diesel engine. A failing alternator can cause dim lights, slow starting, battery drain, and electrical system faults. This replacement restores proper charging output and is built to OEM-style specifications for reliability in demanding conditions. AMR4249 is the catalog-listed alternator for Defender 300Tdi and directly replaces earlier superseded units such as AMR3412. Verified Fitment (300Tdi ONLY): Defender 90 / 110 / 130 – 300Tdi (1994–2006) Supersession Part Numbers Supersessions AMR3412 → AMR4249 FAQ Is this alternator only for 300Tdi Defenders?Yes — AMR4249 is specifically verified for Defender 300Tdi applications only. What is the output rating?This alternator produces 65 amps, as per OE specification. Does it include the pulley?Most units come pre-fitted with the correct pulley, but always verify upon receipt. Part Number: AMR4249 Free Shipping Available to the Lower 48