Mechman high output alternators · Authorized dealer

Buick Century High Output Alternators

A Buick Century with the 3.1L V6 makes a quiet, comfortable base for a first real sound system, and many of these sedans now belong to drivers who value low running costs. This Buick Century high output alternator collection lists two Mechman units for 1999-2005 cars: a 240 Amp option and a 320 Amp step up.

  • 2 products
  • 1999–2005
  • 240–320 Amp
All Buick alternators

2 products

A Sleeper Sedan With Room for Bass

Nobody expects a Century to hit hard, which is part of the appeal. The trunk easily swallows a sealed or ported enclosure, the soft suspension keeps the cabin calm, and the 3.1L V6 is simple to work around. The catch is age: an original alternator on a high-mileage Century was never sized for an aftermarket amplifier, and voltage sag shows up as dimming headlights and muddy bass. A Buick Century high output alternator fixes the foundation before you add more power.

Choose the 240 Amp unit for a single amplifier driving a subwoofer and door speakers. Step to the 320 Amp unit if you plan a second amplifier, a larger subwoofer setup or extra lighting. These Mechman high output alternators belong to the same early front-drive GM V6 series listed for the Oldsmobile Cutlass and the Buick Rendezvous. Use the vehicle finder above the products to confirm your 1999-2005 model year and the 3.1L engine.

Round out the upgrade with heavier cable from our amp wiring kits, or browse other models on the Buick alternators page.