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Sierra Marine alternators are designed to OEM specifications. All models meet or exceed USCG and SAE J1171 safety requirements and are 100 percent load-tested for assured reliability. Order the replacement alternator recommended for your watercraft application.
Not Yet Reviewed
$257.99
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$473.99
Upgrade your boat's charging system with MechMan high-output marine alternators. These certified high-output, 170 amp 6-phase alternators feature 12 diodes and twin rectifier plates for excellent durability with high-end audio installations. They include a 6-groove serpentine pulley and meet or exceed SAEJ1171, ISO 8846, and USCG Title 33 standards for ignition protection. MechMan marine units are hard black anodized, then grey enamel coated to provide the best possible corrosion resistance. All MechMan does is alternators. So, when you need a bolt-in, high performance charging solution for your boat, MechMan high-output marine alternators should be your choice.
Not Yet Reviewed
$519.00
Clearance
Tuff Stuff Performance offers a variety of marine alternators—which can serve as replacements for many factory models, including Mercury, Mallory, Sierra, Arco, GLM, MES, and more. All of these units are hand-built in Cleveland, OH and are tested to meet or exceed OEM specifications. They're made from 100 percent new components, not remanufactured; and all are for 12 V, negative ground systems (except where noted). Power your watercraft accessories with a Tuff Stuff alternator. Additional details: * High-output alternator provides long-term dependability * Flames arrestor screen for safety * Serpentine or V-belt models available * Internal or external location, depending on model * Different advertised amperage outputs available * Most models include regulator
Not Yet Reviewed
$306.99
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$307.99
Summit Bucks
Optima BlueTop deep cycle marine 12-volt batteries, featuring Spiralcell technology, are designed for all of your marine and RV starting and deep cycle needs. The constant vibration and jarring from waves can be deadly for traditional batteries. The tightly wound construction in these batteries minimizes plate movement and subsequent damage caused by harsh conditions, extending battery life. Optima BlueTop batteries provide constant performance quality as they are discharging. They are leakproof, so they can be mounted in almost any position, anyplace inside your boat or RV, .
( 108 )
$319.99
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$399.99
Odyssey extreme marine batteries are like an athlete that is both a sprinter and a long distance runner! The dual-purpose batteries have massive starting power, along with amazing deep cycling capability—up to 400 cycles at 80 percent depth of discharge. With twice the overall power and 3x the life of conventional marine batteries, the Odyssey extreme is ideal for trolling, starting, and for powering the many on-board electronic accessories common in today's boats and recreational vehicles.
( 1 )
$474.99
Eddie Marine battery boxes are designed and crafted to look as great as they fit. With a broad selection of styles and sizes, Eddie Marine is ready to stow your battery (whether standard, Optimum, or Odyssey) in a secure, good-looking box. Their range of boxes are made from either durable cast aluminum or CNC-machined billet aluminum, and finished in a variety of Fusioncoat or anodized colors, as well as in brushed satin and polished options. Note: Mounting fasteners are not included. Set your battery inside the perfect fit and style of Eddie Marine battery boxes.
( 1 )
$265.95
Braille Battery Endurance batteries are quality-built from recycled lead and plastic, equaling a lower cost for you and a benefit for the environment. Technically registered as a "sealed valve regulated" design, their patented AGM technology completely eliminates corrosion on terminals. They're environmentally safe and do not need filling or maintenance. These batteries are available in popular Group 34, Group 48, and Group 49 sizes. They offer direct replacement installation with exclusive performance features that benefit anyone looking to upgrade their vehicle's electrical system for better operation and safety.
Not Yet Reviewed
$379.99
Clearance
The future of vehicle charging is here! Cascadia 4x4 VSS systems are the world's first and highest quality, vehicle-specific hood-mounted solar option for passenger vehicles. The solar panels hard-mount to the hood of your vehicle and during daylight hours provide a constant flow of clean solar energy to your primary or secondary vehicle batteries. This affords you the ability to run 12 V accessories like fridges, phone/laptop chargers, lights, power inverters etc. without the need to start your engine and without the fear of draining your battery and leaving you stranded. The VSS systems are completely plug-and-play, if paired with Cascadia's optional MPPT solar charge controller and can be installed in as little as 1.5 hours. The panels have rugged, multi-layer, marine-grade construction to withstand extreme environmental conditions and remain maintenance-free for years. Plus, they offer a factory-like appearance, following the contours and edges of your vehicle's hood for a seamless and sleek aesthetic. Cascadia VSS solar panels utilize 3M neoprene foam and high-temperature 3M VHB tape for a secure install that will not damage your vehicle's paint. Select the system designed for your vehicle.
Not Yet Reviewed
$683.99
$478.50
Summit Bucks
Optima RedTop Starting 12-volt batteries are the ultimate power source for cars, trucks, SUVs, hot rods, and other high-performance vehicles. They're engineered with unique Spiralcell technology, delivering a stronger burst of ignition power, while extending the battery life up to three times longer than conventional models. Maintenance-free RedTop AGM batteries are sealed, leak-proof, and resistant to vibrations—so you can mount them anywhere and in virtually any position on your vehicle. Order the Optima battery designed for your application, and expect a perfect start every time.
( 1520 )
$279.99
Summit Bucks
Optima YellowTop Deep-Cycle 12-volt batteries are high-performance, dual-purpose power sources. They're great for applications requiring repetitive amperage drain and quick recharging—like trucks with winches, commercial or public safety fleets, and vehicles loaded with electronics and accessories. YellowTops also power forklifts, tractors, and other heavy equipment. The maintenance-free AGM batteries deliver premium ignition starts, while sustaining high power levels even when system loads exceed the alternator output. Optima deep-cycle models are sealed, spill-proof, and can be mounted in most any position. They are far more resistant to vibrations than standard batteries, and will perform up to three times longer. For consistent power and faster recharges, order the YellowTop designed for your needs.
( 434 )
$299.99
Odyssey Performance Series batteries are designed to handle the increased use of on board accessories in today's vehicles. They combine long service life, high reliability, and deep cycle capabilities. Performance batteries provide all the reliability of the Odyssey Extreme Series batteries, without the high cold cranking amps or reserve capacity many people may not require. The Performance Series batteries contain flat plates made of 99.99 percent pure lead--not lead alloy, like many conventional batteries.
( 63 )
$363.99
XS Power AGM batteries are some of the lightest racing batteries on the market. Independent test results have proven that they outperform other battery models that outweigh these power providers by up to 20 lbs. Cutting-edge lead acid battery technology produces more energy in a smaller space because each cell is compressed before case insertion, resulting in efficient power-producing packages that are completely sealed with no need to ever add water. This design is ideal for the abuse of racing, making these the batteries of choice for demanding racers and Monster Truck drivers who need top performance and reliability. When you are pushing to power the impossible, you need the non-stop capabilities of the XS Power AGM batteries best suited for your application. Product features include: * Designed to be an inch shorter than what the competition offers for fitting in places where space is at a premium * Deep-cycling ability and ultra-low internal resistance results in high cranking amps and excellent vibration resistance * Variable position mounting (except upside-down) thanks to the no-spill design * Offered in 6 V, 12 V, 14 V, and 16 V models
( 271 )
$339.99
Clearance
Denso alternators are not only original equipment on many of the world's top production cars; they are a favorite in motorsports as well, where their light weight, high-efficiency, and durability make them the natural choice. Denso remanufactured alternators go through a grueling process; stators and rectifiers are tested to 300 V, while rotors are submitted to 600 V, to ensure reliable performance. Rotor slip rings are buffed to an 8 micron surface finish, with run out limited to 20 microns, minimizing brush wear and abrasion. Bearings are validated to OE standards and loaded with premium OE-specification lubricants. Offered in wide range of amp ratings for hundreds of specific vehicle applications, all alternators meet Denso's rigorous First Time Fit standards. Contemporary vehicles employ dozens of sophisticated electronic systems, placing heavy demands on the charging system. The alternator is no place to cut corners. Additional features of Denso remanufactured alternators include: * Meet or exceed all manufacturer standards, and provide years of reliable service * First Time Fit provides perfect mounting with no belt/pulley alignment issues * Housings re-tapped and damage-checked for heat warping, corrosion, or improper surface alignment * Voltage regulators 100 percent tested to OE standards * All hardware stripped and replated * Premium cores and precise OE-assembly benchmarks * Designed to meet grueling heat and electrical requirements * OE-quality fit and appearance * Full compatibility with sensitive electronics systems
( 42 )
$292.99
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$343.99
Odyssey sealed rechargeable drycell batteries provide high engine-cranking pulses and are capable of 400 deep cycles. They can be installed on their sides or at any angle and have a 2-year storage life at 25 degrees C.
( 224 )
$443.99
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