12V 250A 1042106860/22949466 DENSO car alternator for Chevrolet Truck Silverado 1500 V6 4.3L

The 12V 250A 1042106860/22949466 DENSO car alternator for Chevrolet Truck Silverado 1500 V6 4.3L is a precision-engineered replacement part specifically designed for the Chevrolet Truck Silverado 1500 V6 4.3L engine series. Operating at a stable 12V DC with a continuous output current of 250A, it delivers consistent power to meet the vehicle’s electrical demands, from lighting and infotainment systems to critical engine components.​

Equipped with an internal voltage regulator, this alternator ensures optimal charging performance by automatically adjusting output to match the battery’s needs, preventing overcharging and extending battery life. Its robust construction, including high-quality materials and precision machining, ensures durability even under harsh operating conditions, such as extreme temperatures and heavy vibration—common in both commercial and daily driving scenarios.​

Key mechanical specifications enhance compatibility and ease of installation: a 17mm diameter shaft fits seamlessly with the vehicle’s existing pulley system, while the 60mm diameter, 6PK pulley ensures proper belt alignment and tension. The mounting setup features a 180mm pivot/adjustment distance and 10.5mm diameter pivot holes, mirroring the original equipment dimensions for a straightforward, bolt-on replacement. The +B output terminal, with an M8 thread, simplifies electrical connections without the need for modifications.​

Ideal for replacing a worn-out alternator or upgrading the vehicle’s electrical system, this DENSO unit maintains the reliability and performance expected from OEM parts. It requires minimal maintenance, allowing for long-term trouble-free operation, and is rigorously tested to meet or exceed industry standards, ensuring it integrates smoothly with the Chevrolet Silverado 1500’s electrical architecture. Whether for daily commuting or heavy-duty use, this alternator provides consistent power to keep your vehicle running efficiently.​

ZKM86883 Common Application: Chevrolet Truck Silverado 1500 V6 4.3L