Powermaster GM National 180A 1V High Performance Alternator 18.2 Ratio

Delivers Mar 23-27
30-Day Returns on unused items
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Ships from US Warehouses with tracking

Specifications

BrandPowermaster
CategoryTires
Manufacturer Part #8478611-18.2
UPC692209027843
Load Index180
Speed RatingA
SubcategoryCharging & Starting
Vehicle Typelight_truck
Weight12.3 lbs

Product Description

The Powermaster GM National 180A 1V High Performance Alternator is designed for General Motors applications, delivering a robust 180 amps of power. Featuring a single V-belt pulley and an 18.2 ratio, this alternator is built for demanding electrical systems. Powermaster is a well-regarded brand known for its high-output alternators and starters, often favored in performance and custom automotive builds.

Shipping & Returns

Fast Shipping

Standard delivery in 3-7 business days. Expedited options available.

30-Day Returns

Return unused items in original packaging for a full refund.

Questions & Answers

Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.

We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.

We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.

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