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Mechman high output alternators · Authorized dealer
Pontiac built its name on performance, and Firebird and Trans Am owners still treat their cars that way: electric fans, upgraded fuel pumps, louder stereos and show-quality engine bays. Each Pontiac high output alternator here fits a 1988-2010 model, with V8 Firebirds holding most of the selection. Choose a model or use the vehicle finder to filter by year and engine.
The Pontiac Firebird alternator page covers 1988-2002 cars with the 5.0L or 5.7L V8, listed in 1988-1992, 1993-1997 and 1998-2002 groups. That includes Formula and Trans Am models with those engines. Owners can pick from 170 through 400 Amp, billet or standard housing, and a long list of finishes. Firebird owners swapping to electric cooling fans, a higher-flow fuel pump or a modern EFI controller often find the stock alternator cannot keep up at idle with the stereo on, so choosing output with the whole electrical plan in mind avoids replacing the alternator twice.
Daily drivers are covered too. The Grand Prix runs 1999-2008 with the 3.1L and 3.8L V6 and the 5.3L V8 in later years, the Grand Am covers 1999-2005, and the Vibe is listed for 2009-2010. The Bonneville, G5, G6 and Sunfire round out the lineup, mostly with 240 and 320 Amp units.
Confirm year and engine in the vehicle finder, then size output. 170 and 240 Amp handle a single amplifier or electric fan. 250 and 320 Amp cover multi-amp audio plus a fuel pump upgrade. 370 and 400 Amp suit competition systems or a Firebird running fans, pumps and a big stereo together. Nearly half of the Pontiac units use billet housings machined from solid aluminum, with finishes from natural and black to chrome, polished, red, orange and yellow.
Mechman high output alternators need cable to match. A Big 3 wiring kit, a battery from our battery range and parts from harnesses and regulators complete the system. To compare a Pontiac high output alternator with Camaro and other GM units, see all GM alternators, or view alternators for every make.
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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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