Keep the battery charged and the lights, ignition, and accessories powered with the Bosch Premium 100% New Alternator AL559N. This 12-volt, 94-amp unit drops in as a direct-fit replacement across a wide range of 1980s GM and Jeep vehicles, including the 1984-1986 Buick Century [L4-2.5L], 1984-1987 Buick Electra [V8-5.0L], 1984-1986 Chevrolet Camaro [V8-5.0L], 1984-1987 Chevrolet Monte Carlo [V6-3.8L], and 1987-1990 Jeep Grand Wagoneer — see the Buyer's Guide tab for the full list of 192 applications.
- 100% new build: not remanufactured — assembled with the latest manufacturing technologies for long service life.
- Factory tested: each unit is 100% tested to run under extremes of heat, cold, and high demand.
- OE-level performance: engineered to match the fit and to perform equal to or better than the original-equipment part it replaces.
- Equipped and ready: 94-amp output, 12V DC, internal voltage regulator, aluminum case, external cooling fan, and a 1V pulley — all included. Clockwise (right) rotation, negative ground.
The alternator is engine-belt-driven and recharges the battery while supplying power to the vehicle's electrical systems once the engine is running. If a failing alternator is the cause of a dimming, flickering, or dead-battery condition or a lit charging warning light, this unit replaces it. Backed by the Bosch Ultimate Protection Plan when registered at the time of purchase. Made in the United States.
Interchange: 10463060 · 10497081 · 1101308 · 1101324 · 10497079 · 1105492 · 83505104
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What are the electrical specs of this alternator?
It is rated at 94 amps and 12 volts DC, with clockwise (right) rotation and a negative ground. It uses an internal voltage regulator.
Is this a new or remanufactured alternator?
It is a Bosch Premium 100% New alternator — built new, not remanufactured, and 100% factory tested for reliable performance.
Does it come with a pulley and cooling fan?
Yes. It includes an external cooling fan and a 1V pulley, plus an internal voltage regulator and an aluminum case, so it is ready to install.
What vehicles does the AL559N fit?
It fits 192 listed applications across 1980s GM and Jeep models, including Buick, Cadillac, Chevrolet, GMC, and Jeep. Check the Buyer's Guide tab to confirm your vehicle and engine.
What are signs my alternator may need replacing?
Dim or flickering lights, a repeatedly dead battery, or a lit charging warning light can indicate a failing alternator. Diagnose the charging system first, as other parts can cause these symptoms.
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