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Mechman high output alternators · Authorized dealer
The GS430 is a V8 sleeper with a big trunk, which makes it a natural home for a bass-heavy system that still looks factory from the outside. A Lexus GS430 high output alternator feeds those amplifiers from the 4.3L engine. Three Mechman units are listed for 2001-2007 models, with different alternator families for early and late years.
For the 4.3L GS430, 2001-2005 cars use one alternator family and 2006-2007 cars use another. The earlier cars have a 240 Amp Mechman unit listed, while the 2006-2007 cars have both 320 Amp and 240 Amp options. Use the vehicle finder above the products to enter your year and engine and narrow the list to your car.
A V8 sport sedan with a spacious trunk invites a serious subwoofer install hidden behind a false floor. Large mono amplifiers draw heavy current on low notes, and a charging system that cannot keep up shows it with dimming lights and soft bass. A Lexus GS430 high output alternator keeps voltage up, so the system hits hard without draining the battery on the drive home. Mechman high output alternators are built as direct replacements, so the engine bay keeps its factory look.
The 2006-2007 units overlap with the Lexus GX470 alternators page. Big amplifiers need big cable, so start with our amp wiring kits, and browse more models on the Lexus alternators page.
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