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Professional U3900 Alternator Diode Trio
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
ACDelco Professional Alternator Diode is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, HVAC, ignition, starting and charging, body-electrical and lighting, wiper and washer, and/or engine fuel management. This premium aftermarket diode is manufactured to meet or exceed your expectations for fit, form, and function.
Your order of $100 or more gets free standard delivery.
- Standard delivered 4-5 Business Days
- Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)
Austino members enjoy free returns.
