
Heavy-Duty Series
QUALITY-BUILT Heavy-Duty Series new and remanufactured parts are engineered to maintain maximum performance in tough conditions.
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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Starters
Maximum torque delivers powerful starts in demanding conditions, while OE-grade precision fit and durable construction stand up to high vibration and heavy impact loads.


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
Heavy-Duty Series parts are engineered for demanding applications, with features designed to withstand extreme temperatures, high vibration, heavy loads and other severe operating conditions.
Heavy-Duty Series parts are designed for vehicle applications that place greater demands on starting and charging systems. Availability varies by vehicle and application.
Heavy-Duty Series includes starters and alternators, available new and remanufactured.
Heavy-Duty starters are engineered for maximum cranking torque, frequent starting, high vibration and heavy impact loads, with OE-grade precision fit for severe-duty applications.
Heavy-Duty alternators are engineered to maintain high electrical output under heavy loads, high vibration and extreme temperatures while managing internal heat.
Yes. Heavy-Duty starters and alternators are specifically engineered to operate under extreme temperature conditions, with features designed to resist thermal stress and maintain operation in demanding environments.
QUALITY-BUILT Heavy-Duty parts are available for purchase directly through QUALITY-BUILT. Please contact us at 800-924-9521 to speak with a customer service specialist.

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