High Output Alternator for Jeep Wrangler (1991-1995) 2.5L 4.0L
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Heavy-Duty 200A High Output Alternator for 1991-1995 Jeep Wrangler (YJ)
What it Does: The 200-amp high output alternator replaces the low-output factory charging unit on the 1991-1995 Jeep Wrangler to deliver dependable electrical current and prevent voltage drop under heavy auxiliary loads.
The Stock Jeep Wrangler Charging Limitations
The factory charging system on the YJ platform utilized stock units delivering merely 60 to 90 amps of electrical output. Under modern trail demands—including electric recovery winches, auxiliary LED light bars, and onboard air compressors—the stock alternator suffers severe voltage drop, particularly at low crawl RPMs. This chronic deficit results in extreme heat soak across factory diode plates, drained batteries, and premature stator winding failure.
The Engineering Solution
Engineered and assembled in the USA, this high-output replacement yields a continuous 200-amp charging capacity. Built with precision heavy-gauge copper windings, an upgraded heavy-duty rectifier bridge, and premium high-amperage diodes, it ensures stable voltage output under high electrical demands. The housing retains factory mounting geometry to replace original units matching OEM numbers 56005685 and 13341 without bracket modification.
What's Included
- 1x 200-Amp High Output Alternator
Technical Specifications
| Fitment | 1991-1995 Jeep Wrangler |
|---|---|
| Engine / Chassis | AMC 150 (2.5L) & AMC 242 (4.0L) / YJ |
| Stock Output | 123-190 hp / 139-225 lb-ft |
| Replaces OEM Part # | 13341, 56005685, 56005685AB, 59005685, 10463782, 10463797, 13341-200A |
Compatibility
- 1991-1995 Jeep Wrangler 2.5L I4 (AMC 150)
- 1991-1995 Jeep Wrangler 4.0L I6 (AMC 242)
Frequently Asked Questions & Fitment Warnings
Does this fit the YJ Wrangler?
Yes, this is a direct fit for the 1991-1995 Jeep Wrangler equipped with the AMC 150 2.5L or AMC 242 4.0L engine.
Do I need to upgrade my main charging cable?
Yes, running an upgraded minimum 4-gauge power and ground cable direct to the battery is strongly recommended to safely handle the 200-amp load.
The Jeep Durability Standard
Built to handle severe off-road vibration, high water crossings, and sustained winch recovery loads, this charging unit maintains consistent electrical reserve in demanding backcountry conditions.
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