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Boating & Marine  >  Marine Engine Parts


For the mechanic or do-it-yourselfer, we offer parts from Sierra, Arrowhead, Arco, and more for most outboard motors and inboard engines. Our engine parts include starters, water pumps, manifolds, mufflers, alternators, starters, spark plugs, carburetors, solenoids, tilt and trim motors, and more. Seloc Counterman makes finding the right part easy.

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Detmar Water-Resistant 3

Detmar Water-Resistant 3" In-Line Blower

Key Features
  • Five-blade, bullet-nosed impeller

  • Cambered stator vanes

  • Minimum of turbulence

  • Corrosion-proof plastic housings

 
$34.99
 
Covermate Outboard Motor Covers

Covermate Outboard Motor Covers

Key Features
  • Breathable 100% polyester

  • Sewn-in draw string

  • 19"D x 11"W x 12"H

6 models to choose from
$14.99 - $29.99
 
Mercury Lower Unit Gear Case Plug

Mercury Lower Unit Gear Case Plug

Key Features
  • Keeps oil in and water out of your lower units

  • Drain plugs are made of stainless steel

 
$1.99
 
Megaware SkegGuard

Megaware SkegGuard

Key Features
  • High-quality 316 stainless steel

  • 2.5mm thickened lower plate

  • Can be installed in less than ten minutes

  • 3-year warranty

15 models to choose from
$104.99
 
NGK Spark Plugs

NGK Spark Plugs

Key Features
  • Deep-seated copper core

  • Nickel alloy tip

26 models to choose from
$2.99 - $9.99
 
Mercury Black Marine Spray Paint

Mercury Black Marine Spray Paint

Key Features
  • Color-matched

 
$12.99
 
Impeller with Gasket, Johnson #09-812B (replacement for Indmar engine)

Impeller with Gasket, Johnson #09-812B (replacement for Indmar ...

Key Features
  • Fits stock Johnson and Indmar aftermarket pumps

  • Aluminum, plastic, and cast iron construction

 
$44.99
 
Blackfin Skeg

Blackfin Skeg

Key Features
  • Constructed from rugged, nylon composite

  • Provides better handling

  • Quicker plane times

 
$99.99
$89.99
 
Mercury Lower Unit Magnetic Plug

Mercury Lower Unit Magnetic Plug

Key Features
  • Keeps oil in and water out of your lower units

  • Drain plugs are made of stainless steel

 
$5.99
 
Quicksilver Trim Tab Anode, AP 4004

Quicksilver Trim Tab Anode, AP 4004

Key Features
  • For use with Alpha 1, Mercury, Mariner, and Force

 
$14.99
 
Complete Anode Kit, Alpha One Gen II

Complete Anode Kit, Alpha One Gen II

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • Environmentally friendly

 
$49.99
 
Conventional Ignition Switch

Conventional Ignition Switch

Key Features
  • Moisture proof

  • 3-position starter switch

  • Accommodates up to 1-1/8" thick panels

  • For most I/Os

  • Comes with 2 keys

 
$19.99
 
Detmar Water-Resistant 4

Detmar Water-Resistant 4" In-Line Blower

Key Features
  • Five-blade, bullet-nosed impeller

  • Cambered stator

  • Minimum of turbulence

  • Corrosion-proof plastic housings

 
$34.99
 
Upper Water Pump Kit

Upper Water Pump Kit

Key Features
  • Contains parts needed to replace upper water pump:

  • Housing, impeller, plate, seal, gaskets, o-rings

 
$44.99
 
OMC I/O Metallic Charcoal Marine Spray Paint

OMC I/O Metallic Charcoal Marine Spray Paint

Key Features
  • Color-matched

 
$12.99
 
Motor Tilter

Motor Tilter

Key Features
  • Utilizes leverage by hooking to motor shroud

  • Plastic covering prevents marring

  • Heavy-gauge, 1" diameter, anodized aluminum tubing

  • For outboards up to 75 hp

 
$54.99
 
Exhaust-Guard Cover

Exhaust-Guard Cover

Key Features
  • Tough rubber construction

  • Keeps water out of the exhaust outlet

  • Adjustable stainless steel clamp

2 models to choose from
$29.99
 
Megaware Skeg Pro

Megaware Skeg Pro

Key Features
  • Marine-grade stainless steel construction

  • Protects lower units from damage

  • Installs in less than 10 minutes

12 models to choose from
$74.99
 
Complete Anode Kit, Bravo 2 3

Complete Anode Kit, Bravo 2 & 3

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2-1/2 times lighter than zinc

 
$34.99
 
Aqua Power Complete Performance Marine Tune-Up Kit...

Aqua Power Complete Performance Marine Tune-Up Kit

Key Features
  • For 4-cylinder GM engines with:

  • Delco breaker point ignition system

8 models to choose from
$14.99 - $79.99
 
Magstar Marine Spark Plug Wire Set for V8 GM Ford Engines

Magstar Marine Spark Plug Wire Set for V8 GM & Ford Engines

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

 
$39.99
 
Complete Anode Kit, Bravo 1

Complete Anode Kit, Bravo 1

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2-1/2 times lighter than zinc

 
$39.99
 
Replacement Impeller with o-ring, Sherwood #9959 (Jabsco #18838-0001)

Replacement Impeller with o-ring, Sherwood #9959 (Jabsco #18838-...

Key Features
  • Fits Sherwood aftermarket pump

  • O-ring included

  • Composite aluminum, plastic, and cast iron

 
$34.99
 
Magstar Marine Spark Plug Wire Set for 4-Cyl. w/Conventional Ignition

Magstar Marine Spark Plug Wire Set for 4-Cyl. w/Conventional ...

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

 
$29.99
 
Magstar Marine Spark Plug Wire Set for 4-Cyl. with Electronic Ignition

Magstar Marine Spark Plug Wire Set for 4-Cyl. with Electronic ...

Key Features
  • High performance marine wire set

  • Eliminates radio interference

  • Stainless steel spark plug terminals

  • Corrosion-proof connection

  • Pure silicone boots for maximum heat protection

 
$24.99
 
Water Pump Repair Kit for Mercury/Mariner 18-3214

Water Pump Repair Kit for Mercury/Mariner 18-3214

Key Features
  • Impeller, impeller key, impeller gasket

  • Grommets, rubber seal, stainless steel hardware

  • Cup insert, o-rings, wear plate

 
$39.99
 
Replacement Impeller with Gasket, Jabsco #17954-0001

Replacement Impeller with Gasket, Jabsco #17954-0001

Key Features
  • Fits stock Mercruiser and Jabsco aftermarket pumps

  • Composite aluminum, plastic, and cast iron

 
$39.99
 
TRAC Retractable Outboard Motor Bracket

TRAC Retractable Outboard Motor Bracket

Key Features
  • Holds motor in "up" position

  • Safely pivots down for propulsion

  • Mounting hardware included

5 models to choose from
$129.99 - $189.99
 
Corrugated Engine Exhaust Hose

Corrugated Engine Exhaust Hose

Key Features
  • Corrugated cover with helical wire reinforcement

  • Recommended for wet marine exhaust systems

  • Length: 63"

  • 3" I.D.

2 models to choose from
$109.99 - $179.99
 
Water Pump Kit - Johnson/Evinrude

Water Pump Kit - Johnson/Evinrude

Key Features
  • Kit contains:

  • Impeller, impeller key, impeller gasket,

  • Grommets, rubber seal, stainless steel hardware,

  • Cup insert, o-rings, and wear plate

 
$64.99
 
Aqua Power Complete Performance Marine Tune-Up Kit

Aqua Power Complete Performance Marine Tune-Up Kit

Key Features
  • Includes cap, rotor, points, and condenser

  • For Mercruiser V-6 engines with:

  • Thunderbolt IV ignition systems

 
$28.99
 
Inboard Engine Circulating Pump---Small Block GM, '97 and newer

Inboard Engine Circulating Pump---Small Block GM, '97 and newer

Key Features
  • Powder-coated; resists saltwater, rust corrosion

  • Brass bi-directional impellers

  • Stainless steel and/or brass hardware and plates

  • Made in USA

 
$99.99
 
Mercruiser Riser Gasket

Mercruiser Riser Gasket

Key Features
  • For Mercruiser V6 V8 Manifolds w/Center Risers

  • Mercruiser Part # 27-41813

  • Sierra Part #18-0897

 
$5.99
 
Magstar Marine Spark Plug Wire Set for V6 Engines with Electronic Ignition

Magstar Marine Spark Plug Wire Set for V6 Engines with Electronic...

Key Features
  • High performance marine wire set

  • Eliminates radio interference

  • Stainless steel spark plug terminals

  • Pure silicone boots for maximum heat protection

 
$29.99
 
Magstar Marine Spark Plug Wire Set for 4-Cylinder

Magstar Marine Spark Plug Wire Set for 4-Cylinder

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

 
$29.99
 
T-H Marine Atlas Micro Jacker Jack Plate, 4

T-H Marine Atlas Micro Jacker Jack Plate, 4" Setback

Key Features
  • Small and lightweight hydraulic jack

  • Ideal for shallow water skiffs and flat boats

  • Strong, self-contained actuator

  • For applications up to 90 HP

 
$659.99
 
Sierra Inboard Starter for New Mercruiser, Cobra, Yamaha PMGR

Sierra Inboard Starter for New Mercruiser, Cobra, Yamaha PMGR

Key Features
  • For late model GM engines with 12-3/4" flywheel

  • Standard clockwise rotation

  • Delco permanent magnet gear reduction starter

  • 12V 11-tooth offset bolt pattern

  • New, not refurbished!

 
$174.99
 
Arco Mercruiser Tilt/Trim Pump Reservoir Kit

Arco Mercruiser Tilt/Trim Pump Reservoir Kit

Key Features
  • Fits Arco 6275 pump

  • Replaces Mercruiser 18525A1

  • Includes cap, O-ring, and mounting screw

 
$34.99
 
Water Pump Repair Kit for Mercury/Mariner

Water Pump Repair Kit for Mercury/Mariner

Key Features
  • Impeller, impeller key, impeller gasket

  • Grommets, rubber seal, stainless steel hardware

  • Cup insert, o-rings, wear plate

 
$49.99
 
Arco Solenoid For Mercruiser, Mercury

Arco Solenoid For Mercruiser, Mercury

Key Features
  • 12V solenoid

  • For Mercruiser and Mercury

  • Isolated base

2 models to choose from
$19.99
 
Cook Electric Hydraulic PT-130 Tilt and Trim without gauge

Cook Electric Hydraulic PT-130 Tilt and Trim without gauge

Key Features
  • Improved fuel efficiency

  • Fingertip control

  • 84%XBA trim and tilt

  • Totally waterproof electric hydraulic system

  • Rated at over 7,800 lbs. of thrust

 
$629.99
 
Cook Electric Hydraulic PT-35 Tilt and Trim

Cook Electric Hydraulic PT-35 Tilt and Trim

Key Features
  • Improved fuel efficiency

  • Fingertip control

  • 84%XBA trim and tilt

  • Totally waterproof electric hydraulic system

  • Rated at over 7,800 lbs. of thrust

 
$559.99
 
Electronic Conversion Kits

Electronic Conversion Kits

Key Features
  • Easily installed

  • Not affected by oil, heat, dirt, or moisture

  • Not for use in OMC engines w/shift assist module

  • Distributor cap and rotor not included

6 models to choose from
$149.99 - $189.99
 
Complete Anode Kit, Bravo 3 ('04)

Complete Anode Kit, Bravo 3 ('04)

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2-1/2 times lighter than zinc

 
$49.99
 
Blackfin Blade Saver

Blackfin Blade Saver

Key Features
  • Ideal propeller protection

  • High-impact composite material

  • Installs quickly

  • Fits smaller outboards

 
$99.99
$89.99
 
Attwood Turbo 3000 In-Line Blower

New! Attwood Turbo 3000 In-Line Blower

Key Features
  • Water-resistant in-line blower

  • Ventilates engines, galleys, and more

  • Horizontal or vertical installation

  • 12V blower includes 3" hose

 
$29.99
 
Magstar Marine Spark Plug Wire Set for V8 GM Ford Engines

Magstar Marine Spark Plug Wire Set for V8 GM & Ford Engines

Key Features
  • Stainless steel spark plug terminals

  • Positive corrosion-proof connection

  • Pure silicone boots for maximum heat protection

 
$39.99
 
OMC V8 Riser Gasket

OMC V8 Riser Gasket

Key Features
  • Replacement manifolds with end riser

  • For use with 800 series, 5.0L and 5.7L engines

 
$5.99
 
Replacement Impeller with o-ring, Jabsco #1210-0001 (replacement for PCM engine)

Replacement Impeller with o-ring, Jabsco #1210-0001 (replacement ...

Key Features
  • Fits PCM pump and Jabsco aftermarket pump

  • Aluminum, plastic, and cast iron construction

 
$34.99
 
Mercruiser V6 Manifold With Center Riser

Mercruiser V6 Manifold With Center Riser

Key Features
  • 4.3 Liter

  • Center Riser

  • Fits either side of the engine

  • Mercruiser Part # 99746A8

  • Sierra Part # 18-1952

 
$229.99
 
Outboard Motor Lock

Outboard Motor Lock

Key Features
  • Powder-coated, heavy-gauge carbon steel

  • Recessed solid brass lock

  • Fits turnbuckle mounted engines

  • Cut-resistant design

  • Noise dampeners to reduce rattle

 
$24.99
 
Hardwall Engine 3

Hardwall Engine 3" I.D. Exhaust Hose

Key Features
  • Helical wire reinforcement design

  • Recommended for wet marine exhaust systems

  • 63" long

 
$74.99
 
Replacement Impeller with o-ring, Sherwood #10615

Replacement Impeller with o-ring, Sherwood #10615

Key Features
  • Fits Mercruiser pump and Jabsco aftermarket pump

  • Composite aluminum, plastic, and cast iron

  • One-piece bronze body and bronze end-plate

  • Replaceable cam and wear-plate

 
$34.99
 
T-H Marine Transom Support Plate

T-H Marine Transom Support Plate

Key Features
  • 3/8" thick transom support plate

  • High-quality cast aluminum

  • Durable construction for long-lasting performance

  • Fits standard top bolt holes

 
$24.99
 
Mercruiser Gasket for V6 Manifold w/ Center Risers

Mercruiser Gasket for V6 Manifold w/ Center Risers

Key Features
  • For Mercruiser V6 Manifolds w/Center Risers

  • Mercruiser Part # 27-99757

  • Sierra Part #18-2909

 
$6.99
 
McGard Single Stern Drive Lock

McGard Single Stern Drive Lock

Key Features
  • Made of naval brass and hardened stainless steel

  • Free-spinning collar turns w/o loosening the lock

  • 7/16" thread

 
$24.99
 
Inboard Engine Circulating Pump---Small Block Ford V8, 289, 302, 351 CID

Inboard Engine Circulating Pump---Small Block Ford V8, 289, 302, ...

Key Features
  • Powder-coated; resists saltwater, rust corrosion

  • Brass bi-directional impellers

  • Stainless steel and/or brass hardware and plates

  • Made in USA

 
$139.99
 
HelmsMate U-Model Motor Extension Handle, 37

HelmsMate U-Model Motor Extension Handle, 37" - 51"

Key Features
  • All-metal joint for push-and-pull steering

  • Fits gas or electric motors up to 15 HP

  • Marine-grade aluminum and stainless steel

  • Lockout sleeve converts it to a straight extension

  • Adjustable length: 37" - 51"

 
$54.99
 
Mercruiser-Type Replacement Pump

Mercruiser-Type Replacement Pump

Key Features
  • Replacement pump for Mercruiser water pumps

  • One-piece bronze body

  • Bronze end-plate w/replaceable cam and wear-plate

 
$519.99
$372.11
 
Thru-Hull Exhaust Fittings With Flaps

Thru-Hull Exhaust Fittings With Flaps

5 models to choose from
$44.99 - $94.99
 
TRAC SS Stationary Outboard Motor Bracket, 20 HP / 120 lbs.

TRAC SS Stationary Outboard Motor Bracket, 20 HP / 120 lbs.

Key Features
  • 11.5" x 10.75" x 2" thick polymer motor pad

  • Stainless steel bracket and hardware

  • For auxiliary gas and electric motors

  • Fits larger 4-stroke motors

  • Requires 9" x 9" installation space

 
$79.99
 
Sherwood Sea Water Strainer

Sherwood Sea Water Strainer

Key Features
  • Clear bowl for quick examination

  • Lightweight mount requires no brackets

4 models to choose from
$24.99 - $59.99
 
Trim Cylinder Anode, Mercury Alpha

Trim Cylinder Anode, Mercury Alpha

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2 1/2 times lighter than zinc

 
$9.99
 
HelmsMate Motor Extension Handles

HelmsMate Motor Extension Handles

Key Features
  • Fits gas or electric motors up to 15 HP

  • Allows you to control motor from a distance

  • Marine-grade aluminum and stainless steel

  • Easy access to kill switch

  • Adjustable length: 18" - 24"

4 models to choose from
$19.99 - $39.99
 
Side Pocket Anode, Mercury O/B

Side Pocket Anode, Mercury O/B

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2 1/2 times lighter than zinc

 
$8.99
 
ANODE 18-6241

ANODE 18-6241

 
$12.49
 
Replacement Manifold, Mercruiser V8 Manifold

Replacement Manifold, Mercruiser V8 Manifold

Key Features
  • For replacement of Mercruiser V8 Manifold

  • For manifolds with center riser

 
$249.99
 
GIMBAL BEARING 18-2100

GIMBAL BEARING 18-2100

 
$53.99
$49.99
 
Arco Starter For Chrysler/Force, 70-150 HP

Arco Starter For Chrysler/Force, 70-150 HP

Key Features
  • 70-150 HP

  • 9-tooth drive gear

 
$169.99
 
Complete Upper Water Pump Kit For Mercury/Mariner

Complete Upper Water Pump Kit For Mercury/Mariner

Key Features
  • Everything needed to replace the upper water pump

  • Housing, impeller, plate, seal, gaskets, o-rings

 
$44.99
 
Arco Outboard Starter For Mercury/Force, 90-120 HP Sport Jet

Arco Outboard Starter For Mercury/Force, 90-120 HP Sport Jet

Key Features
  • 90-120 HP Sport Jet

  • 9-tooth drive gear

 
$164.99
 
Cavitation Plate Anode, Mercury Bravo

Cavitation Plate Anode, Mercury Bravo

Key Features
  • Easily determine when to replace an anode

  • Aluminum alloy construction

  • 2 1/2 times lighter than zinc

 
$16.99
$6.85
 
Minimax Bullet Muffler

Minimax Bullet Muffler

Key Features
  • Fiberglass and fire-retardant resin construction

  • Resistant to rust, moisture, and salt

  • Easy to install

  • 12" L

  • 3" I. D.

2 models to choose from
$159.99 - $199.99
 
Outboard Motor Bolt-On Lock

Outboard Motor Bolt-On Lock

Key Features
  • Anti-drill protection

  • Stainless steel

  • Fits up to 1/2" engine bolts

  • Included two keys

  • Easy to install

 
$54.99
$49.99
 
Sierra Spark Plug Wire Set For Mercury Marine, Sierra Part #18-8804-1

New! Sierra Spark Plug Wire Set For Mercury Marine, Sierra Part #...

Key Features
  • Sierra Part #18-8804-1

  • Mercury Marine spark plug wire set

 
$52.99
$17.49
 
Johnson/Evinrude Tilt and Trim Pump Motor

Johnson/Evinrude Tilt and Trim Pump Motor

Key Features
  • OMC tilt and trim pump motor

  • Used on outboards since 1982

  • Two-wire lead

  • Replaces OMC #394176, 391264, 393988, and 985237

 
$179.99
 
Jabsco Flangemount 12V Ventilation Blower

Jabsco Flangemount 12V Ventilation Blower

Key Features
  • BIA type accepted

  • Tough, reinforced plastic housing

  • Designed for corrosion resistance

 
$74.99
 
Arco Starter For Mercury/Mariner

Arco Starter For Mercury/Mariner

Key Features
  • 100-125 HP 4-cylinder engines

  • 8-tooth drive gear

6 models to choose from
$120.38 - $179.99
 
T-H Marine Hi Jacker Two-Piece Adjustable Jacking Plate

T-H Marine Hi Jacker Two-Piece Adjustable Jacking Plate

Key Features
  • 3/8" aircraft aluminum with natural finish

  • Stainless steel hardware

  • Brass nuts

  • Fits all V-4 and V-6 engines

  • Provides 4" of vertical adjustment

 
$209.99
$199.99
 
CDI 12V Relay With Power Tilt/Trim

CDI 12V Relay With Power Tilt/Trim

Key Features
  • For Johnson/Evinrude models

  • 12V

  • 40-amp relay

 
$14.99
 
Sierra Mercury Marine Water Pump Kit, Sierra Part #18-3150

New! Sierra Mercury Marine Water Pump Kit, Sierra Part #18-3150

Key Features
  • Sierra Part #18-3150

  • Water pump kit

  • For Mercury Marine engines

 
$82.49
 
Arco Inboard Starter For GM

Arco Inboard Starter For GM

Key Features
  • Direct OEM replacement

  • Fits engines with a 14" flywheel

  • Recommended for late model 3.0 liter engines

 
$159.99
 
Sherwood Mounting Bracket For Sea Water Strainer

Sherwood Mounting Bracket For Sea Water Strainer

3 models to choose from
$14.99 - $19.99
 
Sierra OMC Impeller Kit, Sierra Part #18-3212-1

New! Sierra OMC Impeller Kit, Sierra Part #18-3212-1

Key Features
  • Sierra Part #18-3212-1

  • Impeller kit for OMC engines

 
$47.99
 
Exhaust System Fittings

Exhaust System Fittings

23 models to choose from
$29.99 - $164.99
 
Arco Volvo Tilt/Trim Pump Reservoir Kit

Arco Volvo Tilt/Trim Pump Reservoir Kit

Key Features
  • Fits Arco 6227 pump

  • Replaces Volvo Penta 854531-1

  • Includes reservoir, large and small O-ring

 
$34.99
 

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