Engines & Components
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Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Sierra Marine is committed to providing your boat with the very best in engine protection with premium, application-specific oil filters. They're engineered with premium-grade materials that will not only withstand, but excel in the marine world's extreme environment. As pioneers in the field of oil filtration since 1966--no matter what type of boat you drive, Sierra Marine oil filters have you covered. Order the filter(s) designed for your marine application. Features: * Wide selection of filters for inboards, diesel, and outboard engines * Specifically designed to match the OEM filter * Epoxy-coated, heavy-wall steel canister prevents corrosion and allows for easy installation and removal * High-efficiency filter material meets or exceeds OEM filtration requirements * Some filters include anti-drain back valves to help prevent dry-starts, depending on application * Backed by Sierra's limited lifetime warranty
( 1 )
$6.99
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$28.99
Sierra Marine drain plugs are available in magnetic and non-magnetic styles. They provide a direct-fit for missing OE plugs and will keep fluids in and contaminants out. For everything marine, big and small components, Sierra Marine will help you repair and maintain your boat.
Not Yet Reviewed
$3.99
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$560.99
Eddie Marine captive Garboard drain plug assemblies enable you to never lose your drain plug again! Made from stainless steel, these are direct replacements for the traditional Garboard drains.
Not Yet Reviewed
$34.95
Eddie Marine Garboard drain plug assemblies consist of mounting flange and plug made from stainless steel. The flange is 2 in. and the plug is 1/2 in. NPT.
Not Yet Reviewed
$29.95
Slide your drain plug into an Eddie Marine drain plug sleeve. These marine hull and floor drain components are machined from brass.
Not Yet Reviewed
$7.95
Sierra Marine drain plug/screw gaskets are premium replacements that keep oil in and water out. These washer style gaskets provide an excellent fit, and were crafted to exceed OEM specifications. They're available for a variety of marine applications. Match up the correct part number for your watercraft engine. The gaskets are sold individually and in pairs.
Not Yet Reviewed
$22.99
Sierra Marine drain taps are designed and manufactured for low-pressure applications. Made to the highest quality standards, they provide a leak-proof, metal-to-metal seal with hand tightening.
( 2 )
$16.99
Gain control of your trolling motor and enhance your fishing experience with TH Marine's G-Force Troll Perfect Trolling Motor Control Enhancers. Whether fishing in wind, waves, current, or just whenever you need the high-speed settings, the Troll Perfect will allow you to stop fighting the kickback, and side-to-side torque steer of your trolling motor. A small quarter-turn adjustment of the lower stainless steel clamp is enough to fine tune your trolling motor just the way you like it. Troll Perfect will also eliminate that "sloppy foot pedal" issue. With the Troll Perfect, anglers can now comfortably fish in any condition without having to fight the trolling motor, worry about keeping a straight course, or losing balance and falling off the boat while trying to steer. Having a Troll Perfect means less effort, less fatigue, and better fishing! Available colors: black, lime green, red, and purple. Please specify the color option that you'd prefer. Key features: * All Troll Perfect Systems include top and bottom pieces and two hose clamps for assembly * The patented Troll Perfect trolling motor adjustment easily clamps over the motor shaft swivel bearing, allowing you to easily adjust the tension on your cable steering so you can instantly adapt to any condition on the water * Installation is fast and simple, it takes only minutes, and without any modification to your trolling motor * Compatible with MotorGuide and Minn Kota trolling motors (but not with Minn Kota Ultrex or Terrova models)
Not Yet Reviewed
$36.59
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$40.55
Upgrade your trolling motor experience with the G-Force Trolling Motor handle and cables from TH Marine. These heavy-duty replacements are designed to enhance lift and release functionality and are engineered to withstand the demands of powerful motors. This robust system provides effortless and controlled lifting of the trolling motor without stretching, thanks to its non-stretch cable. The G-Force design also includes a hook-and-loop strap for secure storage and is engineered to prevent the common issue of broken ropes, ensuring a more dependable operation. Key benefits: * Designed to fit most trolling motor models and brands, providing a universal upgrade option * Designed to eliminate the problem of cheap, failing lift and releasing ropes, especially with heavier and more powerful modern trolling motors * A large, cushioned, ergonomic handle provides a comfortable and secure grip for easy and controlled operation of the trolling motor * Reliable lifting with the non-stretch stainless steel cable ensures a consistent and stronger lift, a significant upgrade from factory ropes that often break * The built-in hook-and-loop strap allows for secure attachment of the handle to the motor shaft while the boat is in transit Note: Not compatible with Minn-Kota Edge or MotorGuide Pro models.
Not Yet Reviewed
$57.17
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$72.23
TH Marine's G-Force Grass Goat trolling motor weed guards are a must-have for anglers who spend a lot of time in heavily vegetated areas. The G-Force Grass Goat features a marine-grade starboard mounting plate and a stainless-steel cutting blade that attaches to a trolling motor to slice through heavy vegetation like grass, weeds, and lily pads, allowing the motor to move freely without getting bogged down by unwanted debris. Key features and function: * Designed for heavy vegetation to prevent trolling motor clogging * Crafted with a genuine marine-grade starboard mounting plate * Durable 316 stainless steel cutting blade slices through underwater plants and debris * Helps prevent entanglement by heavy vegetation, stopping it from wrapping around the propeller and motor shaft * Improves efficiency—with less resistance from tangled vegetation, the trolling motor can run more efficiently, saving battery power * Allows direct navigation so anglers don't have to steer around grassy areas as much, enabling them to focus on fishing rather than maneuvering their boat
Not Yet Reviewed
$61.56
TH Marine's aerator filter strainers are designed to prevent clogged aerator pumps by filtering out debris like grass, weeds, and leaves, helping reduce wear and tear on impellers, and can lead to a longer operational life for your aerator system. The strainers also prevent larger particles from entering and clogging drain lines, ensuring a clear path for water to exit the system. They are made from durable materials to withstand marine environments and are available in models designed to fit standard thru-hull fittings or directly onto the intake snout of aerator pumps, providing flexible installation options for various boat setups. Choose the model designed for your application needs.
Not Yet Reviewed
$10.84
Eddie Marine billet aluminum oil tank hold-down brackets not only look great, they'll also secure your Mercury 2-stroke oil tank in the rough conditions that high performance boats often experience. The mounts include a boxed base, billet cover, billet stanchions, and stainless steel fasteners to hold the assembly together. The included tanks are 7 1/4 in. in tall x 9 1/4 in. wide x 13 5/8 in. long. Eddie Marine offers billet aluminum oil tank hold-down brackets in a bright polished finish, as well as a variety of anodized or Fusioncoat colors—please specify when ordering.
Not Yet Reviewed
$219.95
Eddie Marine floor and compartment drains will pass through surfaces up to 1 1/2 in. thick. They're machined from billet aluminum and clear anodized.
Not Yet Reviewed
$38.95
Moeller Marine air chamber drain plugs are specifically designed to seal 5/8 in. openings in baitwells, livewells, or dry boxes. These plugs are made from black neoprene rubber. For a secure, tight fit, simply pop in Moeller Marine air chamber drain plugs.
Not Yet Reviewed
$7.99
Clearance
Moeller Marine snap down drain plugs offer a secure fit and a tight seal. Available in two popular sizes, the plugs feature corrosion-resistant brass and rubber construction. They simply snap into the drain tube, creating a leak-free seal.
Not Yet Reviewed
$7.99
$3.50
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$105.99
Sierra Marine outboard engine maintenance kits can provide you with a comprehensive solution for maintaining the widely used Mercury Outboard engine models, ensuring optimal performance and reliability. These cost-efficient kits contain the essential components for routine maintenance at designated service intervals. Each kit is presented in a high-quality, full-color Sierra branded box with a vibrant label. The labels showcase product images, detailed information, and contents of the box. Additional details: * Essential parts for your Mercury engine at a fraction of the cost compared to buying them individually * High-quality spark plugs are pre-gapped and ready for installation * Water pump kits, thermostats, and fuel filters specifically engineered for each engine model * Aluminum anodes to prevent corrosion
Not Yet Reviewed
$282.99
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$507.99
Moeller Marine replacement flapper valves keep your automatic drain plugs doing what they do best—keep water out of your boat. The flapper valves automatically drain water from your hull when under way, but provide a watertight seal when the boat is idle.
Not Yet Reviewed
$6.99
Moeller Marine drain tubes are offered in brass and aluminum. All are flanged 90 degrees on one end to function as a drain for transom, motorwell, livewell, or baitwell. They're specifically designed for Moeller Snap-Tite, Turn-Tite, and their Trail-n-Bail plugs. The drain tubes are available in two O.D. sizes. and a variety of lengths.
Not Yet Reviewed
$6.99
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$27.99
Moeller Marine Snap-Tite drain plugs deliver a dependable water-tight seal. These bailer plugs are available in aluminum, brass, or stainless steel models to fit 1 in. or 1 1/4 in. drain holes, and are offered individually or in sets. They provide a simple, slide-and-snap installation, are corrosion-resistant, and feature durable neoprene seals. A Moeller Marine Snap-Tite drain plug is easy to use—just snap it!
Not Yet Reviewed
$65.99
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$297.99
Moeller Marine twist turn drain plugs are made of corrosion-resistant brass and rubber. To tighten, simply push-in and rotate clockwise with the "T" handle. They're available individually or in packs of 24.
Not Yet Reviewed
$105.99
ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application. ATK Marine rebuilt engines include: * Special marine pistons and rings * Special marine camshaft * Marine gaskets * New intake and exhaust valves * New main, rod, and cam bearings * New valve lifters, rocker nuts, and swivels * Heavy-duty double roller timing chains * Cam sprocket * Crank gear * Freeze plugs
( 45 )
$1,872.50
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$5,542.99
Do you need a replacement engine for your boat? Try one of these BluePrint Engines marine GM 383 c.i.d. 405 hp stoker long block crate engines to get the job done. They feature quality-built components designed for marine use. BluePrint engines are built for speed on the open water, performance, and reliability, all in one package. Block: * 4-bolt main block * Passenger side dipstick * Square and parallel decked * Align-honed main bearing bore * Cylinders honed on computer-controlled machine to within .0002 in. straightness and roundness * Cylinders are sonic tested for thickness Rotating assembly: * SCAT cast iron crankshaft * Keith Black hypereutectic pistons * GM heavy beam connecting rods * Hastings moly rings * Balanced rotating assembly * Melling high-volume oil pump * COMP Cams roller lifter camshaft * Heavy-duty double roller timing set Cylinder heads: * Cast iron Vortec heads * Hardened retainers and springs * 2.02 in. swirl-polished intake valves * 1.60 in. swirl-polished exhaust valves * Hardened pushrods * Brezinski cast iron marine intake manifold * 9.5 to 1 compression * BluePrint Signature Series polished aluminum valve covers * Rubber coated steel oil pan * Chrome timing chain cover * Long slot rocker arms with positive locking nuts * Dyno-tested--and shipped with results
( 1 )
$7,199.00
Replace the tired small block in your boat with ATK High Performance GM 383 Stage 1 marine long block crate engines. They are built from the ground up with off-shore performance in mind. These hand-built and balanced engines utilize Vortec power and stroker torque to produce an awesome 345 hp and 445 ft.-lbs. of twist that will get you moving on the open water. Each engine features brass freeze plugs and corrosion-resistant marine gaskets to keep the engines healthy and reliable. ATK GM 383 Stage 1 Marine long block crate engines include: * Handpicked, remanufactured blocks * Dart Iron Vortec cylinder heads * Nodular steel crankshaft and 4340 I-beam connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
( 5 )
$4,417.99
COMP Cams Xtreme Marine camshafts take advantage of the newest developments in camshaft engineering. Their aggressive lobe design produces better throttle response and top-end horsepower than other cams with the same duration at .050 in., while delivering increased engine vacuum. These cams are available for everything from pleasure boats to race applications, so you can always enjoy Xtreme performance on the water. From hydraulic and mechanical, to flat and roller tappet, COMP Cams offers camshafts for your watercraft dating as far back as the 1950s.
( 19 )
$258.95
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$579.95
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