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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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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

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

Arco IP003 Johnson Pump Replacement Impeller

Arco
$97.89 - $97.89
$97.89
$97.89 - $97.89
$97.89
Low stock

NEW OEM Premium Replacement Impeller.

$97.89 - $97.89
$97.89
$97.89 - $97.89
$97.89

Arco TP001 Mercruiser/Volvo/OMC Throttle Position Sensor

Arco
$110.59 - $110.59
$110.59
$110.59 - $110.59
$110.59
Low stock

NEW OEM Premium Replacement Throttle Position Sensor for Mercruiser, OMC, and Volvo Penta Inboard Engines. Fits: GM 5.7L, 6.2L MPI (1997-Up) Replac...

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$110.59 - $110.59
$110.59
$110.59 - $110.59
$110.59

Outboard Starter - Mercury/force

Arco
$263.99 - $263.99
$263.99
$263.99 - $263.99
$263.99
In stock

Fits: Mercury/Force90-120 HP Sport Jet9-tooth drive gear

$263.99 - $263.99
$263.99
$263.99 - $263.99
$263.99

OMC Heavy-Duty Tilt Trim Motor

Arco
$186.99 - $186.99
$186.99
$186.99 - $186.99
$186.99
In stock

Fits: OMC 391264, 393259, 393988, 394176, 983019, 434795, 4347662-wire connectionMale spade terminal ends

$186.99 - $186.99
$186.99
$186.99 - $186.99
$186.99

Arco IP004 Mercury Replacement Impeller

Arco
$158.19 - $158.19
$158.19
$158.19 - $158.19
$158.19
In stock

NEW OEM Premium Replacement Impeller.

$158.19 - $158.19
$158.19
$158.19 - $158.19
$158.19

Volvo Penta Heavy-Duty Tilt Trim Motor

Arco
$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99
In stock

Replaces: Electrolux/Volvo Penta: 850834-3Female spade terminal ends

$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99

Inboard Alternator - Volvo Penta

Arco
$589.89 - $589.89
$589.89
$589.89 - $589.89
$589.89
Low stock

Fits: Late Model Volvo Penta Replaces: Paris Rhone/Valeo: A13N1M, A13N2M, A13N147M, A13N148M, Volvo Penta: 841762, 841762-8, 841378-3, 841765-1, 87...

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$589.89 - $589.89
$589.89
$589.89 - $589.89
$589.89

Mercruiser Reservoir Kit

Arco
$50.59 - $50.59
$50.59
$50.59 - $50.59
$50.59
In stock

Fits: Arco 6275 Replaces: Mercruiser 18525A1Includes: Reservoir, cap, o-ring & mounting screw

$50.59 - $50.59
$50.59
$50.59 - $50.59
$50.59

Arco TS001 Mercury Tilt Trim Sender

Arco
$105.79 - $105.79
$105.79
$105.79 - $105.79
$105.79
Low stock

NEW OEM Premium Replacement Tilt Trim Sender. Fits: MC-I, R, MR, Alpha, Alpha Gen II, Bravo drives. Replaces: MERCURY 805320A03, 805320A1, 17693A2,...

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$105.79 - $105.79
$105.79
$105.79 - $105.79
$105.79

Arco 6226 Volvo Penta SX Tilt Trim Motor

Arco
$685.39 - $685.39
$685.39
$685.39 - $685.39
$685.39
Low stock

NEW OEM Premium Replacement Tilt Trim Motor with Reservoir. Fits: SX Late model with coarse thread. Replaces: VOLVO 3587079, 3855745, 3855744, 3855...

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$685.39 - $685.39
$685.39
$685.39 - $685.39
$685.39

Arco Mercury Voltage Regulator

Arco
$198.99 - $198.99
$198.99
$198.99 - $198.99
$198.99
In stock

NEW OEM Premium Replacement Voltage Regulator for Mercury Outboard Engines. Fits: 1995-2005 (25-40HP – 2 Cyl.) 1987-2007 (45-90HP – 3 Cyl.) 198...

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$198.99 - $198.99
$198.99
$198.99 - $198.99
$198.99

Westerbeke Alternator

Arco
$286.39 - $286.39
$286.39
$286.39 - $286.39
$286.39
Low stock

12 volt - 50 amp Internal regulator Single groove pully included

$286.39 - $286.39
$286.39
$286.39 - $286.39
$286.39

Tilt/Trim Pump Reservoir Kit

Arco
$48.69 - $48.69
$48.69
$48.69 - $48.69
$48.69
In stock

Fits ARCO pump #6227. Complete kit includes: ReservoirLarge o-ring and small o-ringReplaces Volvo Penta #854531-1

$48.69 - $48.69
$48.69
$48.69 - $48.69
$48.69

Arco WP001 Mercury Replacement Water Pump

Arco
$308.59 - $308.59
$308.59
$308.59 - $308.59
$308.59
Low stock

NEW OEM Premium Replacement Water Pump.

$308.59 - $308.59
$308.59
$308.59 - $308.59
$308.59

Arco M532 Mercruiser Tilt Trim Reservoir Kit

Arco
$60.59 - $60.59
$60.59
$60.59 - $60.59
$60.59
In stock

Includes: Reservoir, cap, O-ring & mounting screws. Fits: ARCO 6275 Tilt Motor 4 screw mount.

$60.59 - $60.59
$60.59
$60.59 - $60.59
$60.59

Arco WP002 Volvo Replacement Water Pump

Arco
$364.69 - $364.69
$364.69
$364.69 - $364.69
$364.69
Low stock

NEW OEM Premium Replacement Water Pump.

$364.69 - $364.69
$364.69
$364.69 - $364.69
$364.69

Replacement Trim Motor

Arco
$193.19 - $193.19
$193.19
$193.19 - $193.19
$193.19
Low stock

Replacment Trim Motor

$193.19 - $193.19
$193.19
$193.19 - $193.19
$193.19

Mounting Bolt Kit

Arco
$26.69 - $26.69
$26.69
$26.69 - $26.69
$26.69
In stock

Fits: ARCO 30470 starter 2 long mounting bolts, 3/8" - 16 N.C. threads. Will also fit all DELCO gear reduction starters w/staggered bolt mounting p...

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$26.69 - $26.69
$26.69
$26.69 - $26.69
$26.69

Arco WP003 Volvo Replacement Water Pump

Arco
$410.49 - $410.49
$410.49
$410.49 - $410.49
$410.49
Low stock

NEW OEM Premium Replacement Water Pump.

$410.49 - $410.49
$410.49
$410.49 - $410.49
$410.49

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