High Output Alternator for Jeep Wrangler (1997-1998) 2.5L 4.0L

High-Output 200-Amp Alternator for 1997-1998 Jeep Wrangler (TJ)

What it Does: The High-Output 200-Amp Alternator replaces the low-output factory charging unit on the 1997-1998 Jeep Wrangler to provide reliable, high-amperage electrical current for winches, light bars, and overland auxiliary systems without voltage sag.

The Stock Jeep Wrangler Charging Limitations

Factory 1997-1998 TJ charging systems were equipped with conservative 81-amp to 117-amp alternators from the factory. When running modern off-road gear such as electric recovery winches, onboard air compressors, and auxiliary off-road lighting, current demand severely outpaces factory output. Under extended low-RPM rock crawling, standard stators suffer from thermal breakdown and excessive heat soak. This chronic load leads to diode bridge failure, charging voltage dropping below critical operating levels, and accelerated battery drain on remote trails.

The Engineering Solution

This Made in USA 200-amp unit addresses factory charging deficits with heavy-gauge, high-temperature copper windings and a heavy-duty diode bridge designed to run cool under full load. Upgraded internal cooling fans and precision low-resistance stator architecture ensure maximum current flow even at trail crawl idle speeds. Engineered to bolt directly to OEM mounting brackets, it seamlessly interfaces with factory serpentine drive routing and PCM-controlled voltage regulation. OE interchange compatibility includes 13341, 56005685, and 13341-200A.

What's Included

• 1 x 200-Amp High Output Alternator

Technical Specifications

Compatibility

• 1997 Jeep Wrangler (TJ) 2.5L I4
• 1998 Jeep Wrangler (TJ) 2.5L I4
• 1997 Jeep Wrangler (TJ) 4.0L I6
• 1998 Jeep Wrangler (TJ) 4.0L I6

Frequently Asked Questions & Fitment Warnings

Does this fit the TJ Wrangler?

Yes, this is a direct fit for the 1997-1998 Jeep Wrangler equipped with the AMC 150 2.5L or AMC 242 4.0L engine.

Do I need to upgrade my battery charging cable with this alternator?

To safely handle 200 amps and prevent high-amperage heat buildup across the factory harness, upgrading the alternator-to-battery power wire to a 4-gauge or larger cable is recommended.

The Jeep Off-Road Standard

Engineered for extreme off-camber vibration, deep water crossings, and demanding trail environments, this high-output alternator provides the clean, steady power required for heavy winching and uninterrupted backcountry navigation.