2UZ 4.7L High Output Alternator 4Runner

2UZ High Output Alternator

(U.S. Models ONLY)

LC Engineering's high output alternator is the answer to all your charging issues. Running big off-road lights, killer stereo or a winch? Then this is the alternator for you, this alternator will have a small increase in amperage at idle, but they're designed to increase amperage as your RPM's increase. The alternator is a direct fit replacement for your factory alternator. This kit includes a new heavy duty, American built alternator using American made rotor and stator. This alternator comes with a one year warranty from the manufacturer.

What is the 2UZ 4.7L High Output Alternator?

The 2UZ 4.7L High Output Alternator is an upgraded alternator designed specifically for Toyota 4Runner models equipped with the 2UZ-FE 4.7L V8 engine. This high output alternator provides increased electrical capacity needed to power additional accessories such as enhanced off-road lighting, winches, upgraded audio systems, and other aftermarket electrical devices.

Made to OEM specifications for a perfect fit and reliable performance, this alternator is the ideal replacement to keep your 4Runner’s electrical system running strong under heavy loads.

NOTE: The charge cable is NOT included with the alternator purchase, you will need to determine the length needed for your application and purchase the corresponding gauge recommended. Please reference the table below.

Why Choose Our 2UZ 4.7L High Output Alternator?

• Higher Amperage Output: Supports modern electrical accessories that require more power than stock alternators provide.
• Direct Fit Replacement: Designed for easy installation without modifications.
• Durable Construction: Built for reliability and longevity under tough driving conditions.
• Consistent Voltage Supply: Ensures stable electrical output for dependable vehicle operation.
• Perfect Upgrade for Off-Road Builds: Keeps power flowing for your 4Runner’s electrical needs as you add more equipment.

FAQs About the 2UZ 4.7L High Output Alternator

Will this alternator fit all Toyota 4Runner models with a 2UZ engine?
This alternator is compatible with Toyota 4Runners equipped with the 2UZ-FE 4.7L V8 engine. Please verify your vehicle’s engine before purchase.

Can I install the alternator myself?
Installation requires basic mechanical know-how and tools. Professional installation is recommended if unsure.

How does this alternator differ from the original?
Provides a higher output to support added electrical components without overloading the system.

Is a warranty included?
Warranty details vary; please consult the product listing or contact us for specifics.

Reliable Power for Your Toyota 4Runner

Upgrade your 4Runner’s electrical system today with the 2UZ 4.7L High Output Alternator from LCE Performance. Contact us for orders or questions at Contact Us or call 1-928-505-2501. 

NOTE: Depending on the size of the belt you are currently running, you may need a smaller belt as the pulley on this item is smaller in diameter. It is always a good idea to replace the belt whenever introducing a new pulley into the works. Please allow a build time of one week before it will ship. We build these alternators to order. Please be sure to include year and model information when ordering this part.

Warranty Exclusions:

• Bearing failure caused by loose or over tightened belts. Alternators returned for warranty must include pulley. If pulley is shiny, shaft is blue, or pulley is blue from heat, no warranty is allowed.
• Threads stripped on the output (B+) or ground terminals (B-)
• Output (B+) (B-) terminals burnt off or discolored from loose connections
• Rotor shaft threads damaged.
• Broken brushes and/or brush holder due to attempts to re-clock alternator.
• Alternator housing damaged due to poor or loose mounting.
• Alternator hooked up or batteries installed with wrong polarity.
• Failure as a result of improper wiring (incorrect size or incorrect hook up)
• Alternator installed in non-recommended applications such as competition applications.
• Installation of an alternator that is not rated at a minimum of 30 amps above full vehicle load.
• ANY ONE, OR ALL OF THE PHASES BURNT OUT OF STATOR.
• ANY ONE, OR ALL THE DIODES BLOWN OR DAMAGED.
• Damage to the alternator due to the battery not being in the system with the engine running, or the battery cable being removed from the battery with the engine running.

Contact our Tech Support Line for further information at 928-505-2501.