Quality-Built Alternators
Power starts here
From daily drivers to hard-working vehicles, QUALITY-BUILT alternators help keep the power flowing wherever the road takes you.
Premium Series Alternators
From precision-machined rotor slip rings to electrical and LIN/BSS testing (where applicable), every detail is designed to support consistent, OE functionality.
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Black Series Alternators
Feature 100% new construction, application-specific engineering, advanced voltage regulation and LIN/BSS testing (where applicable) for OE-compatible charging.
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Heavy-Duty Series Alternators
OE-grade precision fit combines with high-output engineering built to withstand extreme temperatures and heavy electrical loads while maintaining consistent output.
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Our quality promise
Every QUALITY-BUILT part is engineered for precise fit and rigorously tested for reliable performance, so you can install with confidence, every time.
FAQs
An alternator generates electrical power while the engine is running, helping keep the battery charged and supplying power to the vehicle’s electrical systems.
Common signs can include dim or flickering lights, electrical issues, a battery warning light, difficulty starting or a battery that repeatedly loses its charge.
New alternators are built with 100% new components. Remanufactured alternators are renewed through a comprehensive process that includes replacing key wear components, precision machining and extensive electrical and functional testing. Both are tested to support proper on-vehicle operation.
Premium Series offers remanufactured alternators with new wear components and extensive electrical testing. Black Series features 100% new construction with application-specific engineering and advanced voltage regulation. Heavy-Duty Series alternators are engineered for high electrical loads, extreme temperatures and high-vibration applications.
Testing varies by series and can include end-of-line testing, electrical testing of key components and LIN/BSS function testing to validate smart-charging functionality and OE compatibility.
LIN/BSS testing validates the alternator’s smart-charging communication functions to help ensure compatibility with the vehicle’s electrical system.
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