12V 100A 21810N/63321321 DENSO car alternator for A127I LAND ROCER DEFENDER 2.5L Tdi

The 12V 100A  21810N/63321321 DENSO car alternator for A127I LAND ROCER DEFENDER 2.5L Tdi is engineered as a reliable replacement for the A127I Land Rover Defender 2.5L Tdi engine, ensuring consistent performance to meet your vehicle’s electrical needs.

Operating at a rated voltage of 12V DC and delivering a continuous output current of 100A, this alternator efficiently powers essential vehicle systems—from the battery charging circuit to lights, infotainment, and other electronic components—even under heavy electrical loads. Its design includes an internal voltage regulator, which automatically stabilizes output to prevent overcharging, protecting both the alternator and your vehicle’s battery from damage.

Constructed to align with DENSO’s quality standards, this alternator features a 17mm diameter shaft, ensuring a precise fit with compatible pulleys. The pulley itself measures 49.5mm in diameter with a 7PK groove configuration, matching the original equipment specifications for seamless integration into the engine’s belt drive system.

For secure mounting, the alternator is designed with a pivot/adjustment distance of 191mm, along with pivot and adjustment holes each measuring 8.5mm in diameter. These dimensions ensure straightforward installation, whether replacing a worn unit or upgrading the vehicle’s electrical system. The +B output terminal, sized at M8, provides a secure connection point for the main power cable, further enhancing reliability.

Beyond the Land Rover Defender 2.5L Tdi, this alternator is also compatible with Land Rover Discovery 2.5L and Range Rover 2.5L models, offering versatile application across multiple vehicle lines. Maintenance-free by design, it minimizes upkeep needs, letting you focus on driving with confidence.

Ideal for both daily use and demanding conditions, the 12V 100A 21810N/63321321 DENSO alternator delivers the durability and performance required to keep your vehicle’s electrical system running smoothly.

ZKM89015 Common Application: A127I LAND ROVER DEFENDER 2.5L Tdi