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Mechman high output alternators · Authorized dealer
Buick owners range from Roadmaster wagon fans with a cargo area full of subwoofers to Regal turbo collectors and Rainier drivers towing a boat. Every Buick high output alternator here fits a 1986-2017 model, with the broadest selection on V8 vehicles that share engines with GM trucks and full-size cars. Pick your model or use the vehicle finder to see units for your year and engine.
The 2004-2008 Rainier uses the 5.3L V8, which opens up the full spread of GM truck-style units on the Buick Rainier alternator page. The 1991-1996 Roadmaster, with its 5.0L or 5.7L V8, is popular with wagon owners building road-trip sound systems and has a wide selection of its own. Front-drive sedans powered by the 3.8L V6 are covered too: the LeSabre, the Park Avenue including the supercharged 3.8L, and the Regal, which includes the 1986-1987 3.8L Turbo cars. Newer owners can look at the LaCrosse, Lucerne, Enclave and Verano.
Use the vehicle finder to choose year and engine first, since a 1986-1991 LeSabre and a 2000-2005 LeSabre are listed separately even though both use a 3.8L. Then size the output. 170 and 240 Amp units cover a daily driver with one amplifier. 250 and 320 Amp handle a multi-amp system or a Rainier pulling a trailer with extra lighting. 370 and 400 Amp are for competition audio and heavy accessory loads. Roughly half of the Buick selection uses billet housings machined from solid aluminum, which stay rigid and run cool under sustained load, and finishes range from natural and black to chrome, polished, red, blue and gold.
Mechman high output alternators need cable and storage to match. Add a Big 3 upgrade or amp wiring kit, a battery from our battery lineup, and any plug adapter or regulator from harnesses and regulators. To compare a Buick high output alternator with units for Chevrolet, GMC and other GM brands, see all GM alternators or browse every alternator we carry.
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Shop Pay Installments: Rates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. Snap: The advertised service is a lease-to-own agreement provided by Snap RTO LLC. Lease-to-own financing is not available to residents of Minnesota, New Jersey, and Wisconsin. ¹ Not all applicants are approved. While no credit history is required, Snap obtains information from consumer reporting agencies in connection with submitted applications, and your score with those agencies may be affected. Sezzle: Issued by WebBank or Sezzle. See loan agreement for details. Refurbished items are not eligible for financing or leasing.
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