Truck Tough Alternators Jeep Alternators

The Truck Tough Denso high output alternator is built to handle the harshest environments. Hot rated at 240a, these Denso Hairpin units put out 140a at idle and feature heavy duty components built to provide reliable service for years to come.

• Stator- Our stators are designed for maximum output and achieve peak output by 1700rpm.
• Regulator- 100% OEM compatible regulators insure easy installation, accurate voltage regulation and long life.
• Rotor- Precision balanced OEM alloy rotor provides maximum output at all speeds with low vibration for long bearing life. OEM alloy properties promote cooler operating temperatures.
• Rectifier- 2-tier rectifier with high capacity diodes has two times the power handling and cooling capacity of other "high output" rectifiers for reliability in high demand conditions.
• Bearings- Premium NTN bearings provide long life and smooth operation with a low failure rate.
• Pulley- Truck Tough billet drive pulley provides the best traction for your belt in any situation.
• Output Studs- Oversized positive studs provide easy, secure connections for upgraded power cables.

All Truck Tough alternators are hot tested on our dyno before shipping and are covered by a 2-year warranty.