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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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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...

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$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

Arco 6206 OMC Tilt Trim Motor

Arco
$224.49 - $224.49
$224.49
$224.49 - $224.49
$224.49
Low stock

Fits: OMC 387277, 582048, 582155Replaces: Prestolite EVC4002

$224.49 - $224.49
$224.49
$224.49 - $224.49
$224.49
Sold out

Arco 20840 Mercury Outboard Alternator

Arco
$489.69 - $489.69
$489.69
$489.69 - $489.69
$489.69
Out of stock

Fits: Select 2.5L Mercury Outboard, 12 Volt, 50 AMP, Internal Fan, 2-inch mounting foot, Multi-groove serpentine pulley included, Includes wire/plu...

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$489.69 - $489.69
$489.69
$489.69 - $489.69
$489.69
Sold out
Sold out

Outboard Starter

Arco
$227.79 - $227.79
$227.79
$227.79 - $227.79
$227.79
Out of stock

FOR MERCURY - Fits:

$227.79 - $227.79
$227.79
$227.79 - $227.79
$227.79
Sold out

OMC Tilt Trim

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

Fits: OMC 380361, 382138, 382220Replaces: Prestolite ETK41022-wire connection

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

Tilt Trim

Arco
$253.29 - $253.29
$253.29
$253.29 - $253.29
$253.29
Low stock

Fits: OMC stern-drive 1979-1985 2.5L, 3.0L3-wire connectionRing terminal ends

$253.29 - $253.29
$253.29
$253.29 - $253.29
$253.29

O.E.M. Winch Motor

Arco
$281.79 - $281.79
$281.79
$281.79 - $281.79
$281.79
Low stock

Fits: Good automatic windlass Replaces: Prestolite: EVH4001, ESP40013 wire connnection

$281.79 - $281.79
$281.79
$281.79 - $281.79
$281.79

Motor/Reservoir Only - Chrysler/OMC

Arco
$348.19 - $348.19
$348.19
$348.19 - $348.19
$348.19
Low stock

Fits: Chrysler 44954-1 OMC 172543, 382715 3-wire connection

$348.19 - $348.19
$348.19
$348.19 - $348.19
$348.19
Sold out

Mercruiser, Mercury Solenoid

Arco
$43.99 - $43.99
$43.99
$43.99 - $43.99
$43.99
Out of stock

Replaces: Mercury 65057A1, 65057, 65057T1Grounded base12 volt

$43.99 - $43.99
$43.99
$43.99 - $43.99
$43.99
Sold out

Arco 70216 2.3 L ford Engine Starter

Arco
$229.89 - $229.89
$229.89
$229.89 - $229.89
$229.89
Low stock

$229.89 - $229.89
$229.89
$229.89 - $229.89
$229.89

Arco IP002 Volvo Replacement Impeller

Arco
$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39
In stock

NEW OEM Premium Replacement Impeller.

$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39

Motor Only - Mercruiser I/O's & Mercury Outboards

Arco
$237.29 - $237.29
$237.29
$237.29 - $237.29
$237.29
Low stock

Replaces: early square-style motorMercruiser I/O's & Mercury outboards with Oildyne pump, Mercury:17649A1, 87828, 17649, 17649A02, 17649-T 12 v...

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$237.29 - $237.29
$237.29
$237.29 - $237.29
$237.29

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