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Tuff Stuff Performance Marine Alternators

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Tuff Stuff Performance offers a variety of marine alternators—which can serve as replacements for many factory models, including Mercury, Mallory, Sierra, Arco, GLM
Tuff Stuff Performance offers a variety of marine alternators—which can serve as replacements for many factory models, including Mercury, Mallory, Sierra, Arco, GLM, MES, and more. All of these units are hand-built in Cleveland, OH and are tested to meet or exceed OEM specifications. They're made from 100 percent new components, not remanufactured; and all are for 12 V, negative ground systems (except where noted). Power your watercraft accessories with a Tuff Stuff alternator.

Additional details:

* High-output alternator provides long-term dependability
* Flames arrestor screen for safety
* Serpentine or
Tuff Stuff Performance offers a variety of marine alternators—which can serve as replacements for many factory models, including Mercury, Mallory, Sierra, Arco, GLM, MES, and more. All of these units are hand-built in Cleveland, OH and are tested to meet or exceed OEM specifications. They're made from 100 percent new components, not remanufactured; and all are for 12 V, negative ground systems (except where noted). Power your watercraft accessories with a Tuff Stuff alternator.

Additional details:

* High-output alternator provides long-term dependability
* Flames arrestor screen for safety
* Serpentine or V-belt models available
* Internal or external location, depending on model
* Different advertised amperage outputs available
* Most models include regulator

Results 1 - 4 of 4

Alternator, 55 Amp, 12 Volt, GM 10si, V-Belt, Internal Regulator, Black, Mercruiser, Each

Part Number: TFF-29101

Not Yet Reviewed

Estimated Ship Date: Today

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Alternator, 65 Amp, 12 Volt, GM 10si, V-Belt, Internal Regulator, Black, Mercruiser, Each

Part Number: TFF-29103

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Alternator, 63 Amp, 12 Volt, V-Belt, Natural, Mercruiser, Pleasurecraft, Mallory, Each

Part Number: TFF-29104

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Alternator, 55 Amp, 12 Volt, GM 10si, Serpentine, Internal Regulator, Black, Mercruiser, Each

Part Number: TFF-29102

Not Yet Reviewed

Estimated Ship Date: Today

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