Alternators & Regulators for Marine Engines

Marine alternators and regulators charge your batteries while the engine runs, powering electronics and accessories. Shop alternators, regulators, and related parts for your engine application.

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Small Frame Alternator, Mercruiser, 12 Volt, 85 Amp, 20099
STERNDRIVE ENGINEERING Small Frame Alternator, Mercruiser, 12 Volt, 85 Amp, 20099
$239.80
No reviews
Alt, Mercury 3.0L O/B, SAEJ1171, 12 Volt, 50 Amp, Serp. Pulley, Repl. Merc #881247A1, 875286A1, 889956 & 8M0066
STERNDRIVE ENGINEERING Alt, Mercury 3.0L O/B, SAEJ1171, 12 Volt, 50 Amp, Serp. Pulley, Repl. Merc #881247A1, 875286A1, 889956 & 8M0066
$334.52
No reviews
Alternator, Mercury Verado, 12 Volt, 85 Amp, 6-Groove 50mm Serpentine Pulley, Replaces Merc #892940
STERNDRIVE ENGINEERING Alternator, Mercury Verado, 12 Volt, 85 Amp, 6-Groove 50mm Serpentine Pulley, Replaces Merc #892940
$349.80
No reviews
Alternator, Marine Power, 20118, 12 Volt, 85 Amp, Double V-Groove Pulley, Replaces: 471200, 471201 & 4711210
STERNDRIVE ENGINEERING Alternator, Marine Power, 20118, 12 Volt, 85 Amp, Double V-Groove Pulley, Replaces: 471200, 471201 & 4711210
$305.80
No reviews
Diesel Alternator, Yanmar 6LP, 12 Volt, 80 Amp, 20101
STERNDRIVE ENGINEERING Diesel Alternator, Yanmar 6LP, 12 Volt, 80 Amp, 20101
$261.80
No reviews
Specialty Diesel Alternator, Volvo Penta, 24 Volt, 175 Amp, 20083
STERNDRIVE ENGINEERING Specialty Diesel Alternator, Volvo Penta, 24 Volt, 175 Amp, 20083
$1,207.80
No reviews
Alternator, Delco Style, 24 Volt, 100 Amp, 20079
STERNDRIVE ENGINEERING Alternator, Delco Style, 24 Volt, 100 Amp, 20079
$635.80
No reviews
Small Frame Alternator, 24 Volt, 50 Amp, 20045
STERNDRIVE ENGINEERING Small Frame Alternator, 24 Volt, 50 Amp, 20045
$283.80
No reviews
Small Frame Diesel Alternator, 12 Volt, 120 Amp, 20028
STERNDRIVE ENGINEERING Small Frame Diesel Alternator, 12 Volt, 120 Amp, 20028
$437.80
No reviews
Small Frame Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025
STERNDRIVE ENGINEERING Small Frame Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025
$371.80
No reviews
Small Frame Alternator, 24 Volt, 60 Amp, 20151-AM
STERNDRIVE ENGINEERING Small Frame Alternator, 24 Volt, 60 Amp, 20151-AM
$327.80
No reviews
Small Frame Alternator, Yanmar, replaces LR 140-132, 12 Volt, 35 Amp, 121370-77200
STERNDRIVE ENGINEERING Small Frame Alternator, Yanmar, replaces LR 140-132, 12 Volt, 35 Amp, 121370-77200
$217.80
No reviews
Diesel Alternator, Yanmar, 12 Volt, 60 Amp, 20104
STERNDRIVE ENGINEERING Diesel Alternator, Yanmar, 12 Volt, 60 Amp, 20104
$327.80
No reviews
Diesel Alternator, Volvo Penta, 24 Volt, 35 Amp, 20149
STERNDRIVE ENGINEERING Diesel Alternator, Volvo Penta, 24 Volt, 35 Amp, 20149
$547.80
No reviews
Diesel Alternator, Perkins & Lehman, CAT, 12 Volt, 85 Amp, 20172
STERNDRIVE ENGINEERING Diesel Alternator, Perkins & Lehman, CAT, 12 Volt, 85 Amp, 20172
$393.80
No reviews
Diesel Alternator, Yanmar, Kohler & John Deere, 12 Volt, 40 Amp, 20135
STERNDRIVE ENGINEERING Diesel Alternator, Yanmar, Kohler & John Deere, 12 Volt, 40 Amp, 20135
$349.80
No reviews
Diesel Alternator, Kubota Engines, 12 Volt, 40 Amp, 20310
STERNDRIVE ENGINEERING Diesel Alternator, Kubota Engines, 12 Volt, 40 Amp, 20310
$261.80
No reviews
Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025I
STERNDRIVE ENGINEERING Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025I
$349.80
No reviews
Diesel Alternator, Volvo Penta, 8.1L GM, 12 Volt, 65 Amp, 20097
STERNDRIVE ENGINEERING Diesel Alternator, Volvo Penta, 8.1L GM, 12 Volt, 65 Amp, 20097
$327.80
No reviews
Diesel Alternator, Westerbeke, 12 Volt, 40 Amp, 20122
STERNDRIVE ENGINEERING Diesel Alternator, Westerbeke, 12 Volt, 40 Amp, 20122
$547.80
No reviews
Cummins Replacement Alternator 20056-SP-T116, W/ Serpentine Pulley
STERNDRIVE ENGINEERING Cummins Replacement Alternator 20056-SP-T116, W/ Serpentine Pulley
$305.80
No reviews
Small Frame Alternator, 12 Volt, 78 Amp, 20037
STERNDRIVE ENGINEERING Small Frame Alternator, 12 Volt, 78 Amp, 20037
$327.80
No reviews
Alternator, OMC 3854182, 3854809, 3856600, 3857561 - 18-6261
Sierra / Seastar Solutions Alternator, OMC 3854182, 3854809, 3856600, 3857561 - 18-6261
$229.00
No reviews
68 Amp Alternator Kit - 18-5953-1
Sierra / Seastar Solutions 68 Amp Alternator Kit - 18-5953-1
$1,019.62
No reviews

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