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With modern automotive accessories, such as audio/video equipment, navigation systems, aftermarket lights, and other electrical components, the need for higher amperage alternators has increased. Powermaster has responded to this need with these high-amp alternators. They're available in several finishes to suit your style and performance needs. Powermaster high-amp alternators feature: * High output with excellent idle performance * Hand-wound, custom-designed stators * Heavy-duty regulators and rectifiers * Gold plated battery post for better electrical connections * Proof of performance tags
( 120 )
$317.99
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$444.99
Powermaster street alternators feature all of the quality construction and dependability the company is famous for. The "electrical generators" are available in a variety of amperages and styles, allowing you to choose the best model for your specific ride and the accessories you run. So whether you need an alternator for your truck, hot rod, musclecar, sport compact, or audio competition vehicle, Powermaster gives you the power you need to get it started and keep it going.
( 1787 )
$270.99
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$458.99
Mopar Replacement alternators will generate energy for specific vehicle applications. You can count on these genuine parts to provide the OEM fit and function that will keep your battery charged and power your electrical systems with the engine running. Restore and repair your vehicle with a Mopar alternator.
Not Yet Reviewed
$277.99
March Performance alternators combine reliable amperage with stunning good looks. They are available in a choice of amperages and finishes, including polished, chrome, and black, for Ford, GM, and Mopar applications. These one-wire alternators look great in any engine compartment and provide the power you need. Additional features of March Performance alternators include: * Easy-to-connect * High-quality neoprene-sealed bearings for long life * Ultra-low cut-in voltage regulator maintains amperage at low idle speeds * High-tech rotors and stators, built with higher copper and steel content, deliver the greatest output with the best reliability * Pulley and nose cover sold separately (most models)
( 60 )
$252.99
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$383.99
A great way to unclutter your engine compartment is to bolt on one of our Summit Racing™ chrome one-wire alternators. Thanks to their internal, self-energizing voltage regulator, that one wire is all you see--well, that, and their shiny chrome plated case. What you won't see is that the alternators are brand new units (not remanufactured) and a fan.and pulley are included.
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$269.99
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$274.99
Whether you're looking to add amperage to your electrical system, or style to your engine compartment, we've got a Summit Racing™ alternator to help you accomplish your mission. Depend on Summit Racing™ to get the power you need and the space you crave.
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$259.99
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$410.99
Powermaster PowerGEN alternators feature all of the quality construction and dependability the company is known for. They combine the looks of a generator with the output and reliability of an alternator. PowerGEN units offer one-wire operation, producing up to 90 amps, with a whopping 60 amps at idle—and a regulator is included with all models. Alternators are available in either black powdercoated, chrome, or polished finishes. Order the Powermaster PowerGEN replacement designed for use on your vehicle application.
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$424.99
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$451.99
Tru Trac billet alternators from Billet Specialties are designed for use with their Tru Trac serpentine kits. These beautiful alternators feature CNC-machined billet aluminum housing and a 140 amp, 1-wire hookup. Each of these units includes a Proof-of-Performance tag.
( 5 )
$383.95
MechMan Elite Series alternators offer the highest possible amperage and durability available in a reasonably sized alternator. Each one features MechMan's 6-phase technology combined with massive twin rectifier plates and 12 press-fit diodes for excellent durability. The 6-phase hairpin stators make the alternators fundamentally more efficient, equating to incredible output at extremely low engine rpm, less energy wasted in the form of heat, and more horsepower to the wheels. Choose the Elite alternator designed for your vehicle.
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$429.00
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$519.00
Powermaster small frame HPR small frame series alternators produces enough current to keep your electronics running and your battery charged. With over 145 amps at idle and 180 amps at top end, these Hairpin Replacement alternators deliver the charging capabilities you need. Features, specs and items may include: * Efficient internal components produce more output, while consuming less engine power * Voltage compatibility: 12 V * Designed as a direct replacement for four popular housings; straight 6.61 in. mount, 6.14 in straight mount, offset left 5.31 in. mount, and 2 in. spool mount * One-wire connection on most models * Supplied with a V-belt or serpentine pulley * Bolts into many aftermarket front accessory drive systems * Available with different finishes
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$306.99
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$425.99
MechMan S Series 6-phase alternators offer incredible output in a compact and durable package. The 240 amp models offer the best balance between peak output, and output at engine idle RPM; while the 320 amp models are all about max power and not designed to charge at low idle speeds. Both S Series alternators feature 12 diodes, twin rectifier plates, and outstanding airflow ensure long service life, even in severe conditions. These units come equipped with a smaller 1.75 in. diameter alternator pulley, and will require a slightly shorter drive belt to be installed for proper belt tension. Order the model recommended for your auto application.
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$319.00
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$519.00
It's such a sinking feeling to get into your vehicle, turn the key, and nothing happens. There are many new batteries to choose from, but Crown Automotive alternators are the right choice for Jeep, Dodge, and Chrysler vehicles. These alternators are based on the OE design and pulley style for easy replacement without the need for additional brackets or customization. Some versions have higher amperage alternatives for those vehicles with added sound systems, lights, or other power-draining accessories. Whether you believe in preventive maintenance, or need a quick replacement, Crown Automotive alternators will get you running right.
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$284.99
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$371.99
A Tuff Stuff Performance high-amp output alternator is just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff products are hand-built with the best bearings, diodes, and copper windings available. The alternators are available in a variety of amperages, case and pulley styles, finishes, and with internal or external regulator. Order the model designed for your specific vehicle application.
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$267.99
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$574.99
Powermaster XS Volt alternators feature a powerful internal regulating system for all performance-based applications. They're great for drag, Circle Track, and stereo competitions. The alternators work well for voltage sensitive ignition systems and lithium battery applications. Dozens of models and options are available. Select the alternator recommended for your vehicle. Features include: * Digital control--response time in milliseconds, compared to seconds for analog regulators * Adjustable voltage--adjustable between 13.5 and 18.5 volts; great for 12 V or 16 V systems * Powerful, reliable internals--short circuit protection and loss of ground protection in a sealed, vibration-resistant housing * One-wire operation--easy to connect, turns on and off with the engine
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$384.99
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$445.99
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
$370.99
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$446.99
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
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$252.99
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$405.99
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.
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$279.99
A Tuff Stuff Performance high-amp output factory cast-plus alternator is just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff products are hand-built with the best bearings, diodes, and copper windings available; and the cast-plus finish is applied in the company's Cleveland, Ohio factories. This leaves a natural cast look but offers extreme durability from pitting. The alternators are available in a variety of amperages, case and pulley styles for fitment on thousands of specific vehicle applications.
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$317.99
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$410.99
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.
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$329.99
Tuff Stuff Performance high-amp output Stealth black alternators are just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff Performance products are hand-built with the best bearings, diodes, and copper windings available. Stealth black alternators are finished in a powdercoat that's 20 times more durable than ordinary paint and provides a consistent sheen for underhood accessories. They're available in a variety of amperages and case styles for fitment on thousands of specific vehicle applications.
( 352 )
$411.99
Summit Bucks
ACDelco Gold Automotive AGM batteries have high-cycling capabilities, are remarkably charge-receptive, and are necessary for start/stop applications. These batteries are also maintenance-free, 100 percent pressure-tested against leaks, and are manufactured to resist corrosion. Best of all, they are backed by ACDelco's outstanding warranty coverage. When reliable starting power is a priority— ACDelco Gold Automotive AGM batteries are the answer! Additional features include: * Absorbed Glass Mat design is 100 percent leak and spill-proof, because the electrolyte is permanently held in the glass mat separator, instead of free flowing within each cell * Oxygen recombination reduces water loss and reassures maintenance-free performance * ACDelco Gold Automotive AGM batteries have longer life expectancy in traditional vehicle applications, due to a maintained pressure on the plates, which significantly reduces the amount of active mass lost from the grid
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$294.99
Summit Bucks
Losing power? ACDelco Gold remanufactured alternators are 100 percent performance-tested to ensure power for your vehicle's electrical systems—and the ability to charge your battery while the engine's running. The alternators are engineered to fit your vehicle and refurbished to provide the same performance, durability, and service life you've come to expect—at a great value! Damaged and obsolete parts are replaced, and the units receive 100 percent new bearings, bushings, and brushes for the ultimate in reliability. There's no worry of losing power when you've installed an ACDelco Gold remanufactured alternator. Order the model best suited for your application.
( 50 )
$350.99
Interstate MTX automotive batteries deliver ideal life and power for both starting and accessories. They are designed to replace original-equipment AGM's and provide the additional power required for performance vehicles and those with a high number of accessories or plug-ins.
Not Yet Reviewed
$287.99
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$328.99
Clearance
Tuff Stuff Performance has specifically designed their Tuff Mudder high-amp alternators for your Wrangler JK. These high amp alternators provide up to 50 percent more amperage than the stock alternator, yet they retain the original equipment form factor. Add-on winches, high-power stereos, and auxiliary lights can overwhelm the OE alternator—but, that's not a problem with for Tuff Stuff Tuff Mudder Jeep Wrangler JK alternators—they can handle nearly any load with output up to 210 amps at idle! Features of Tuff Mudder Wrangler JK alternators include: * Available in both 175 amp and 250 amp versions * Alternators feature huge copper windings, giant diodes and premium quality ball bearings that assure maximum output and extreme dependability * Incorporated large internal cooling fan prevents overheating * Direct-fit OEM wiring * All Tuff Mudder alternators include a 6-groove pulley * Available in Army green or black wrinkle powdercoat, or chrome plated
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$394.99
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$501.99
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