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Marine

Discover Base APM’s full range of premium marine parts and accessories built for reliability on the water. From high-performance boat engine components and electrical systems to marine hardware, fuel tanks, and steering parts — we supply everything you need for boating, fishing, and marine repair. Shop trusted brands and durable marine-grade gear to keep your vessel in top condition.

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Alternator

Arco
$238.69 - $238.69
$238.69
$238.69 - $238.69
$238.69
In stock

$238.69 - $238.69
$238.69
$238.69 - $238.69
$238.69
Sold out

Arco 5364 Mercury / Yamaha Starter

Arco
$259.19 - $259.19
$259.19
$259.19 - $259.19
$259.19
Out of stock

Fits: Select Mercury 1998 - up 4 Stroke and Yamaha 25 HP 4 Stroke, 9 tooth drive gear Replaces: Mercury 50-830308, 50-830308T, 888151T, 50-859169T,...

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$259.19 - $259.19
$259.19
$259.19 - $259.19
$259.19
Sold out

Arco 60073 Volvo Penta Alternator

Arco
$314.19 - $314.19
$314.19
$314.19 - $314.19
$314.19
Low stock

Fits: Late model Volvo Penta, 12 Volt, 75 Amp, 50-mm multi-groove. Serpentine pulley included. Replaces: VOLVO 3862665, 3884950, SIERRA 18-5882, 18...

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$314.19 - $314.19
$314.19
$314.19 - $314.19
$314.19

Arco 5365 Mercury 30/40/50/60 HP Starter

Arco
$257.59 - $257.59
$257.59
$257.59 - $257.59
$257.59
Low stock

Fits: Mercury 30/40/50/60 HP 1999 - UP, 3-Cyl, 4 Stroke. Yamaha 2000 - UP 40 HP, 4 Stroke, 9 tooth drive gear. Replaces:Mercury 50-859170T, 50-8591...

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$257.59 - $257.59
$257.59
$257.59 - $257.59
$257.59

Alternator - Universal

Arco
$290.69 - $290.69
$290.69
$290.69 - $290.69
$290.69
Low stock

O.E.M. Universal alternator w/ many applications Fits: Yamaha, Marine Power, Crusader Replaces: Motorola 12 Volt, 55 Amp, Internal regulator Includ...

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$290.69 - $290.69
$290.69
$290.69 - $290.69
$290.69

Alternator

Arco
$233.19 - $233.19
$233.19
$233.19 - $233.19
$233.19
Low stock

$233.19 - $233.19
$233.19
$233.19 - $233.19
$233.19

Mercury Starter, 35-50 HP

Arco
$219.89 - $219.89
$219.89
$219.89 - $219.89
$219.89
Low stock

Replaces: Mercury 50-38890A1, 50-55601A2, 50-37345A19-tooth drive gear

$219.89 - $219.89
$219.89
$219.89 - $219.89
$219.89

Universal / Crusader

Arco
$293.99 - $293.99
$293.99
$293.99 - $293.99
$293.99
Low stock

12 volt - 55 amp Internal regulator Negative ground Single groove pulley

$293.99 - $293.99
$293.99
$293.99 - $293.99
$293.99

Mercruiser Alternator

Arco
$291.79 - $291.79
$291.79
$291.79 - $291.79
$291.79
Low stock

Fits: Mercruiser 4.3L - 8.2L 1998-Up 12 Volt, 70 AMP

$291.79 - $291.79
$291.79
$291.79 - $291.79
$291.79

Outboard Starter

Arco
$182.39 - $182.39
$182.39
$182.39 - $182.39
$182.39
Low stock

Fits Mercury/Mariner 86-96/6-15 HP, '80-'03 18-25 HPReplaces: Mercury/Mariner 50-90983A1, 50-90983T1, 50-893889T, 8M0033984, Sierra 18-5611, 18-5639

$182.39 - $182.39
$182.39
$182.39 - $182.39
$182.39
Sold out

Arco 20810 Mercruiser Alternator

Arco
$291.79 - $291.79
$291.79
$291.79 - $291.79
$291.79
Out of stock

Single groove pulley included.12 Volt, 70 AMP, Internal Fan Fits: Select Mercruiser 3.0L Replaces: Mercury 862030T & 862030T01, Sierra 18-5983,...

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$291.79 - $291.79
$291.79
$291.79 - $291.79
$291.79
Sold out

High-Amp Alternator

Arco
$613.39 - $613.39
$613.39
$613.39 - $613.39
$613.39
Low stock

12 volt - 105 amp Self exciting integral regulator Isolated ground Includes: Tachometer terminal, external voltage adjustment Single groove pulley

$613.39 - $613.39
$613.39
$613.39 - $613.39
$613.39

Outboard Starter

Arco
$191.49 - $191.49
$191.49
$191.49 - $191.49
$191.49
Low stock

FOR O.M.C. - Fits: 386430, 586276

$191.49 - $191.49
$191.49
$191.49 - $191.49
$191.49

Inboard Alternator

Arco
$331.59 - $331.59
$331.59
$331.59 - $331.59
$331.59
In stock

Fits: Mercrusier Internal fan50-mm multi-groove serpentine pulley included New

$331.59 - $331.59
$331.59
$331.59 - $331.59
$331.59

High-Amp Alternator

Arco
$613.39 - $613.39
$613.39
$613.39 - $613.39
$613.39
Low stock

12 volt - 105 amp Self exciting integral regulator Isolated ground Includes: Tachometer terminal, external voltage adjustment Single groove pulley

$613.39 - $613.39
$613.39
$613.39 - $613.39
$613.39

ARCO 5370 OMC Starter 55-75hp

Arco
$231.99 - $231.99
$231.99
$231.99 - $231.99
$231.99
Low stock

3 cylinder 9-tooth drive gearReplaces: OMC 384777, 386657, 391735, 585050, 585058, 586281, 585197, 383691, Sierra 18-5626, 18-5635, 18-5648 NOTE: ...

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$231.99 - $231.99
$231.99
$231.99 - $231.99
$231.99

Alternator Pleasurecraft

Arco
$316.19 - $316.19
$316.19
$316.19 - $316.19
$316.19
Low stock

$316.19 - $316.19
$316.19
$316.19 - $316.19
$316.19

OMC Cobra Alternator

Arco
$302.89 - $302.89
$302.89
$302.89 - $302.89
$302.89
In stock

12 volt - 55 amp Replaces: Prestolite/Motorola Internal regulator Negative ground Single groove pulley2" mounting foot

$302.89 - $302.89
$302.89
$302.89 - $302.89
$302.89
Sold out

Arco 20825 Pleasurecraft Alternator

Arco
$294.69 - $294.69
$294.69
$294.69 - $294.69
$294.69
Out of stock

Internal Fan, 2-inch mounting foot, Single groove pulley included. 12 Volt, 70 AMP Fits: Indmar, Pleasurecraft, Crusader, and others. Replaces: Del...

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$294.69 - $294.69
$294.69
$294.69 - $294.69
$294.69
Sold out

Outboard Starter

Arco
$222.99 - $222.99
$222.99
$222.99 - $222.99
$222.99
Low stock

9-tooth drive gearReplaces: OMC 384163, 387684, 389275, 585063, & 586280

$222.99 - $222.99
$222.99
$222.99 - $222.99
$222.99

OMC Starter, 85-140 HP

Arco
$204.49 - $204.49
$204.49
$204.49 - $204.49
$204.49
Low stock

Fits: Late model V4Replaces: OMC 385529, 389954, 585051, & 585057, 586282, 586283, 585196Small 10-tooth drive gear

$204.49 - $204.49
$204.49
$204.49 - $204.49
$204.49

OMC Tilt Trim Motor

Arco
$215.79 - $215.79
$215.79
$215.79 - $215.79
$215.79
Low stock

Fits: OMC 982058, 982706Replaces: Prestolite EVD4002 3-wire connection

$215.79 - $215.79
$215.79
$215.79 - $215.79
$215.79

Arco 20830 Marine Power Alternator

Arco
$335.99 - $335.99
$335.99
$335.99 - $335.99
$335.99
Low stock

Fits: Marine Power 12 Volt, 70 AMP, Internal Fan, 2-inch mounting foot,Double pulley included, Including wire/plug connector. Replaces: Delco 19020...

View full details
$335.99 - $335.99
$335.99
$335.99 - $335.99
$335.99

Outboard Starter

Arco
$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99
Low stock

Replaces: OMC 387094, 395207, 585062, 586288 8-tooth drive gear

$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99

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