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Mechman high output alternators · Authorized dealer
The original LS400 set the tone for Lexus, and owners who preserve one want it as dependable today as it was new, with a few modern conveniences added. A Lexus LS400 high output alternator renews the charging system while supporting those upgrades. Two 240 Amp Mechman units are listed for 1990-2000 models with the 4.0L V8, split by year.
The LS400 uses one alternator family for 1990-1992 cars and another for 1993-2000 cars, both with the 4.0L V8, and each year group has its own 240 Amp unit. Enter your year and engine in the vehicle finder above the products so the correct one appears.
Keeping an early luxury flagship on the road means attending to parts that wear with age, and the alternator is high on that list. Many owners also add a discreet modern head unit with Bluetooth, a small amplifier to refresh the sound, a dash camera and LED interior lighting. A Lexus LS400 high output alternator handles that combined load and gives an older car a stronger charging system than the one it has been relying on for decades.
The 240 Amp output is well matched to a refined audio upgrade and everyday accessories. These Mechman high output alternators are built as direct replacements, so the engine bay stays tidy and original in appearance.
Corroded plugs and tired batteries are common on cars of this era. See our alternator harnesses and regulators and batteries, and browse more models on the Lexus alternators page.
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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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