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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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Exhaust Manifolds

Barr OMC13858850 Marine Exhaust Manifolds

BARR
$575.00 - $575.00
$575.00
$575.00 - $575.00
$575.00
Low stock

The Barr OMC13858850 Marine Exhaust Manifolds are engineered for optimal exhaust flow and engine cooling in OMC marine engines. Crafted from heavy-...

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$575.00 - $575.00
$575.00
$575.00 - $575.00
$575.00
Barr Marine OMC20913784 OMC/Volvo Center Rise Exhaust Riser

Barr Marine OMC20913784 OMC/Volvo Center Rise Exhaust Riser

BARR
$275.95 - $275.95
$275.95
$275.95 - $275.95
$275.95
In stock

The Barr Marine OMC20913784 is a direct replacement exhaust riser/elbow designed for OMC and Volvo Penta V6 and V8 marine engines (1990–2007) with ...

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$275.95 - $275.95
$275.95
$275.95 - $275.95
$275.95
Rule DB412 Dry Bilge Pump 12V – ultra-dry marine bilge pump front view

DB412 - Rule Db412 Dry Bilge Pump, 12V

Rule
$335.95 - $335.95
$335.95
$335.95 - $335.95
$335.95
Low stock

A Dry Bilge is a clean, odorless bilge. Rule now offers the best, most effective method of removing almost all of the water in your bilge, leaving ...

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$335.95 - $335.95
$335.95
$335.95 - $335.95
$335.95
Rule 17A 3800 GPH 12V Centrifugal Pump – high-flow marine water transfer pump

17A - Rule 17A 12V General Purpose Centrifugal Pump 3800 Gph

Rule
$315.00 - $315.00
$315.00
$315.00 - $315.00
$315.00
Low stock

Designed for use as a washdown pump and/or to circulate water to your livewell tank(s). Heavy-duty submersible construction for use on commercial o...

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$315.00 - $315.00
$315.00
$315.00 - $315.00
$315.00
Rule RM2000A 2000 GPH 12V Automatic Bilge Pump – high-capacity marine pump

RM2000A - Rule Rm2000A Rule-Mate Automatic Bilge Pump

Rule
$329.95 - $329.95
$329.95
$329.95 - $329.95
$329.95
Low stock

The eco-friendly Rule Mate pumps feature a solid state water sensing technology to eliminate a separate float switch. The sensor's unique "field ef...

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$329.95 - $329.95
$329.95
$329.95 - $329.95
$329.95
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53S - Rule 12V Automatic Bilge Pump, 2000 Gph

Rule
$326.95
$326.95 - $326.95
$326.95
$325.95
$325.95 - $325.95
$325.95

Ignition protected. Double insulated long stack motor. Double strainer non-clogging protection. Compact, efficient and maintenance free. Totally su...

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$326.95
$326.95 - $326.95
$326.95
$325.95
$325.95 - $325.95
$325.95
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Rule-Mate RM2000A-24 2000 GPH 24V Automatic Bilge Pump – marine pump front view
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RM2000A-24 - Rule Mate 2000Gph Fully Auto Bilge Pump, 24V

Rule
$337.95
$337.95 - $337.95
$337.95
$335.95
$335.95 - $335.95
$335.95
Low stock

The eco-friendly Rule Mate pumps feature a solid state water sensing technology to eliminate a separate float switch. The sensor's unique "field ef...

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$337.95
$337.95 - $337.95
$337.95
$335.95
$335.95 - $335.95
$335.95
Save 1% Save %
Rule 15A 3700 GPH 32V Bilge Pump – heavy-duty high-output marine pump

15A - Rule 3700 Gph High Capacity Bilge Pump, 32V

Rule
$319.95 - $319.95
$319.95
$319.95 - $319.95
$319.95
Low stock

Designed for the toughest applications. Designed to produce the highest capacity available for a pump its size. Rule 15A offers 3,700 GPH at 32V fo...

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$319.95 - $319.95
$319.95
$319.95 - $319.95
$319.95
Rule 14A-6UL 3700 GPH 12V Bilge Pump with 6' Leads – high-capacity marine pump
Sold out

Rule 14A-6UL 3,700 GPH 12V High-Capacity Bilge Pump with 6' Leads

Rule
$284.95 - $284.95
$284.95
$284.95 - $284.95
$284.95
Out of stock

Designed for the toughest applications. Designed to produce the highest capacity available for a pump its size. 14A6UL pump is UL Listed and includ...

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$284.95 - $284.95
$284.95
$284.95 - $284.95
$284.95
Sold out
Rule 7700D Evacuator Utility Pump – heavy-duty marine utility pump top view
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7700D - Rule 7700D Evacuator Utility Pump

Rule
$447.14
$447.14 - $447.14
$447.14
$445.00
$445.00 - $445.00
$445.00
Low stock

Ideal for fast evacuation of water from a vessel. The Evacuator is comprised of two 4,000 GPH (15,141 LPH) pumps in tandem, with a net volume at op...

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$447.14
$447.14 - $447.14
$447.14
$445.00
$445.00 - $445.00
$445.00
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40FA – Rule Rule-A-Matic Plus Float Switch

Rule
$74.69 - $74.69
$74.69
$74.69 - $74.69
$74.69

The Rule-A-Matic Plus float switch has a strong, fully integrated and impact resistant cover to protect against debris and jamming, abrasive resist...

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$74.69 - $74.69
$74.69
$74.69 - $74.69
$74.69

40A – Rule Rule-A-Matic Plus Float Switch

Rule
$59.95 - $59.95
$59.95
$59.95 - $59.95
$59.95

The Rule-A-Matic Plus float switch has a strong, fully integrated and impact resistant cover to protect against debris and jamming, abrasive resist...

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$59.95 - $59.95
$59.95
$59.95 - $59.95
$59.95

37FA – Rule Superswitch Float Switch

Rule
$91.89 - $91.89
$91.89
$91.89 - $91.89
$91.89

The non-mercury SuperSwitch is designed for the toughest applications. Includes marine grade 14 gauge "blocked wire," larger float for increased bu...

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$91.89 - $91.89
$91.89
$91.89 - $91.89
$91.89

37A – Rule Superswitch Float Switch

Rule
$83.19 - $83.19
$83.19
$83.19 - $83.19
$83.19

The non-mercury SuperSwitch is designed for the toughest applications. Includes marine grade 14 gauge "blocked wire," larger float for increased bu...

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$83.19 - $83.19
$83.19
$83.19 - $83.19
$83.19

35FA – Rule Rule-A-Matic Float Switch

Rule
$64.39 - $64.39
$64.39
$64.39 - $64.39
$64.39

This popular float switch includes a removable base for easy cleaning and servicing, a mercury free snap switch tested to over one million cycles a...

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$64.39 - $64.39
$64.39
$64.39 - $64.39
$64.39

35A – Rule Rule-A-Matic Float Switch

Rule
$45.95 - $45.95
$45.95
$45.95 - $45.95
$45.95

This popular float switch includes a removable base for easy cleaning and servicing, a mercury free snap switch tested to over one million cycles a...

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$45.95 - $45.95
$45.95
$45.95 - $45.95
$45.95

Sea-Dog xxx SS Midget Vent, 2-1/4"

Sea-Dog Line
$3.85 - $3.85
$3.85
$3.85 - $3.85
$3.85

Stainless steel midget clam shell vents Stamped 304 stainless steel midget clam shell vents provide a splash-proof opening through transoms, cabin ...

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$3.85 - $3.85
$3.85
$3.85 - $3.85
$3.85
Barr Marine MC-1-866178 cast iron center rise exhaust manifold for MerCruiser 8.1L and 8.2L engines.

Barr Marine MC-1-866178 Exhaust Manifold – Fits MerCruiser 8.1L & 8.2L V8 Engines

BARR
$700.00 - $700.00
$700.00
$700.00 - $700.00
$700.00
Low stock

Barr MC-1-866178 Manifolds Barr Marine GM 8.1 and 8.2L cast iron center rise exhaust manifold without the water rail. Can be used for the port or s...

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$700.00 - $700.00
$700.00
$700.00 - $700.00
$700.00
TEL 031538 - Shim For 3300 Cables

TEL 031538 - Shim For 3300 Cables

Dometic
$5.89 - $5.89
$5.89
$5.89 - $5.89
$5.89

Shim for 3300 Cables

$5.89 - $5.89
$5.89
$5.89 - $5.89
$5.89
TEL 301916 - Dc Control

TEL 301916 - Dc Control

Dometic
$206.29 - $206.29
$206.29
$206.29 - $206.29
$206.29

For throttle, choke, fuel shutdown. Uses 33C or 43C supreme cables.

$206.29 - $206.29
$206.29
$206.29 - $206.29
$206.29
TEL 301729 - Omc Cable Kit

TEL 301729 - Omc Cable Kit

Dometic
$80.69 - $80.69
$80.69
$80.69 - $80.69
$80.69

Kit adapts 33C or 33C supreme for use with Evinrude/Johnson 55-235HP 1978 to 1985, 20HP and up in 1986, 20-25-30HP motors may need OMC kit 397488.

$80.69 - $80.69
$80.69
$80.69 - $80.69
$80.69
TEL 031537 - Morse Pivot-40 Series

TEL 031537 - Morse Pivot-40 Series

Dometic
$41.09 - $41.09
$41.09
$41.09 - $41.09
$41.09

Pivot for 4300 series cables

$41.09 - $41.09
$41.09
$41.09 - $41.09
$41.09
TEL 031532 - Cable Clamp For 4300 Cables

TEL 031532 - Cable Clamp For 4300 Cables

Dometic
$6.69 - $6.69
$6.69
$6.69 - $6.69
$6.69

Cable Clamp for 4300 Cables

$6.69 - $6.69
$6.69
$6.69 - $6.69
$6.69
TEL 301456 - Terminal Eye Pin Kit

TEL 301456 - Terminal Eye Pin Kit

Dometic
$34.89 - $34.89
$34.89
$34.89 - $34.89
$34.89

Contains terminal eye pin, E-ring, nut and washer.

$34.89 - $34.89
$34.89
$34.89 - $34.89
$34.89

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