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The Powermaster 8-37141 is a chrome-finished 150-amp alternator built as a one-wire upgrade for Ford engines. It replaces a factory unit with a single charge wire and a V-belt pulley, so wiring is simple and output roughly doubles what many stock Ford alternators deliver. The polished chrome case suits show cars and engine bays where looks count. It is a fitment-sensitive part: buyers must match the V-belt pulley and Ford mounting pattern, and one-wire setups need the engine revved once to self-excite.
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Lowest price we've seen: $259.12 on Nov 11 at TWIST. Tracked across 3 stores since Nov 11.
Owners of this Powermaster unit generally report strong charging and an easy one-wire install, with the chrome finish drawing attention at shows. Complaints center on fitment surprises and the need to blip the throttle before charging begins.
This Powermaster alternator is a Ford upgrade unit for cars. It has a chrome finish.
It is rated for 150 amps of output and uses a 1V pulley. It has a 1-wire connection.