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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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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
Sold out

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
Sold out

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
Sold out

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
Sold out

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
Sold out

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
Sold out

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
Sold out

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
Sold out

Volvo Penta SX Tilt Trim Motor

Arco
$249.89 - $249.89
$249.89
$249.89 - $249.89
$249.89
Low stock

Fits: Late model Volvo Penta SX modelsReplaces: Teleflex motor and Volvo part number 3861575

$249.89 - $249.89
$249.89
$249.89 - $249.89
$249.89

Arco WP004 Mercruiser Replacement Water Pump

Arco
$571.99 - $571.99
$571.99
$571.99 - $571.99
$571.99
Low stock

NEW OEM Premium Replacement Water Pump.

$571.99 - $571.99
$571.99
$571.99 - $571.99
$571.99
Sold out

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
Sold out
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
Sold out
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
Sold out

Mercury/Marine Relay

Arco
$19.89 - $19.89
$19.89
$19.89 - $19.89
$19.89
In stock

Fits: Mercury & Mariner Outboards.12 Volt, 30 Amp.

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

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-...

View full details
$413.99 - $413.99
$413.99
$413.99 - $413.99
$413.99
Sold out
Sold out

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
Sold out

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
Sold out
Sold out

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

Arco DC001 Mercruiser/Volvo Distributor Cap

Arco
$46.39 - $46.39
$46.39
$46.39 - $46.39
$46.39
Low stock

NEW OEM Premium Replacement Distributor Cap for Mercruiser Inboard Engines. Fits: GM V-8 Motors with Thunderbolt IV & V HEI Ignitions. Replaces...

View full details
$46.39 - $46.39
$46.39
$46.39 - $46.39
$46.39

P 12V 30A Trim Relay 582472 &

Arco
$23.49 - $23.49
$23.49
$23.49 - $23.49
$23.49
Low stock

OMC#582195, 582472, 582473, 584416, 586147, 586224

$23.49 - $23.49
$23.49
$23.49 - $23.49
$23.49

Tilt/Trim Motor Heavy Duty

Arco
$230.99 - $230.99
$230.99
$230.99 - $230.99
$230.99
Low stock

$230.99 - $230.99
$230.99
$230.99 - $230.99
$230.99

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