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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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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
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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
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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
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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
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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
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Arco 7326 Mercury Starter, V6 Sport Jet

Arco
$278.59 - $278.59
$278.59
$278.59 - $278.59
$278.59
Out of stock

Fits: Mercury Select 1996-up V6 Sport Jet, 8-tooth drive gear. Replaces: Mercury 50-832997, 50-832997-1, 50-832997-2, 50-832997003, Sierra 18-6282

$278.59 - $278.59
$278.59
$278.59 - $278.59
$278.59
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Arco Replacement Tilt/Trim Motor Repair Kit TR217

Arco
$80.59 - $80.59
$80.59
$80.59 - $80.59
$80.59
Out of stock

Repair Kit

$80.59 - $80.59
$80.59
$80.59 - $80.59
$80.59
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Volvo Trim Pump Assembly

Arco
$574.69 - $574.69
$574.69
$574.69 - $574.69
$574.69
Out of stock

Fits: 3856596 Oildyne pumpReplaces: Volvo Penta 854346-4, 3857265-7

$574.69 - $574.69
$574.69
$574.69 - $574.69
$574.69
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Arco 98180 Westerbeke OEM Inboard Starter

Arco
$317.29 - $317.29
$317.29
$317.29 - $317.29
$317.29
Out of stock

NEW Original Equipment Quality Replacement Inboard Starter Mitsubishi gear reduction starter Fits: Westerbeke 9 tooth drive gear,12 volt, CW Rotati...

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$317.29 - $317.29
$317.29
$317.29 - $317.29
$317.29
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3 Wire Rectifier

Arco
$44.99 - $44.99
$44.99
$44.99 - $44.99
$44.99
Out of stock

Replaces: OMC 580841, 581305, 582307, & 582399.

$44.99 - $44.99
$44.99
$44.99 - $44.99
$44.99
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Relay - 12 Volt, 85 Amp

Arco
$30.99 - $30.99
$30.99
$30.99 - $30.99
$30.99
Out of stock

Continuous duty relay.

$30.99 - $30.99
$30.99
$30.99 - $30.99
$30.99
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HONDA TILT TRIM MOTOR

Arco
$428.79 - $428.79
$428.79
$428.79 - $428.79
$428.79
Out of stock

NEW Original Equipment Quality Replacement Tilt Trim Motor. FITS: HONDA 2002-Up BF175, BF200, BF225, 4-bolt mount, Round Plug-In Connector. Include...

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$428.79 - $428.79
$428.79
$428.79 - $428.79
$428.79
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Sold out

Replacement Brushes

Arco
$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69
Out of stock

Fits American made permanent magnet outboard starters.

$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69
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Sold out

HONDA/SUZUKI TILT TRIM MOTOR

Arco
$447.69 - $447.69
$447.69
$447.69 - $447.69
$447.69
Out of stock

NEW Original Equipment Quality Replacement Tilt Trim Motor. FITS: HONDA 2004-Up BF135, BF150, 4-bolt mount, Round Plug-In Connector, Includes O-rin...

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$447.69 - $447.69
$447.69
$447.69 - $447.69
$447.69
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Arco 6236 Honda / Suzuki Tilt Trim Motor

Arco
$413.99 - $413.99
$413.99
$413.99 - $413.99
$413.99
Out of stock

Fits: Select HONDA BF75, BF90, 4-bolt mount, Round Plug-In Connector, Includes O-ring, Select SUZUKI 75 & 90hp 4 Stroke. Replaces: Honda 36120-...

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$413.99 - $413.99
$413.99
$413.99 - $413.99
$413.99
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Volvo Penta Relay

Arco
$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69
Out of stock

Fits: Volvo Penta841177, 872272-012V. 30 Amp.

$29.69 - $29.69
$29.69
$29.69 - $29.69
$29.69
Sold out
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Arco CS001 Mercruiser/OMC Contact Set

Arco
$12.19 - $12.19
$12.19
$12.19 - $12.19
$12.19
Out of stock

NEW OEM Premium Replacement Contact Set for Mercruiser Inboard Engines. Fits: GM (4 & 6 Cyl) Engines with Conventional Delco Ignition. Replaces...

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$12.19 - $12.19
$12.19
$12.19 - $12.19
$12.19
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Honda Heavy-Duty Tilt Trim Motor

Arco
$281.99 - $281.99
$281.99
$281.99 - $281.99
$281.99
Out of stock

$281.99 - $281.99
$281.99
$281.99 - $281.99
$281.99
Sold out
Sold out

Volvo Penta Relay

Arco
$160.59 - $160.59
$160.59
$160.59 - $160.59
$160.59
Out of stock

Replaces: Volvo Penta #586767

$160.59 - $160.59
$160.59
$160.59 - $160.59
$160.59
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Sold out

Volvo Penta Relay

Arco
$22.19 - $22.19
$22.19
$22.19 - $22.19
$22.19
Out of stock

Fits: Volvo Penta1501832, 839367, 876037-3, 839367-012V, 30 Amp.

$22.19 - $22.19
$22.19
$22.19 - $22.19
$22.19
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Sold out

OMC 1992-Up Heavy-Duty

Arco
$260.79 - $260.79
$260.79
$260.79 - $260.79
$260.79
Out of stock

Fits: J-suffix 40, 48, 50 HPReplaces: OMC 437801 2-wire connectionHollow-hex shaft

$260.79 - $260.79
$260.79
$260.79 - $260.79
$260.79
Sold out
Sold out

Volvo Penta Relay

Arco
$19.89 - $19.89
$19.89
$19.89 - $19.89
$19.89
Out of stock

Replaces: Volvo Penta 1504952-1, 831725-7, 876039-9

$19.89 - $19.89
$19.89
$19.89 - $19.89
$19.89
Sold out
Sold out

Tilt/Trim Motor

Arco
$260.79 - $260.79
$260.79
$260.79 - $260.79
$260.79
Out of stock

Fits: O.M.C. 433226

$260.79 - $260.79
$260.79
$260.79 - $260.79
$260.79
Sold out
Sold out

ARCO NEW Original Equipment Quality Replacement Brush Cap Assembly for Mercury

Arco
$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
Out of stock

For Mercury/Mariner-Fits:'86-96/6-15 HP'80-'03/18-25 HP2 1/2" motor casing10-tooth drive gear

$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
Sold out

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