High Output Alternator for Dodge Ram 1500 (1997-1998) 3.9L 5.2L 5.9L
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High-Amperage 250A Alternator for 1997-1998 Dodge Ram 1500 (BR/BE)
What it Does: The 250-amp high output alternator replaces the low-output factory charging unit on 1997-1998 Dodge Ram 1500 trucks to provide stable system voltage under intense electrical demands and prevent battery depletion.
The Stock Dodge Ram 1500 Electrical Bottleneck
Factory BR/BE platform trucks left the assembly line with charging units rated between 75 and 117 amps. Under standard loads, the OEM stator coils experience severe heat soak, dropping system potential below 12.6 volts at curb idle. When modern accessories such as recovery winches, auxiliary lighting arrays, snow plows, or high-draw audio setups are introduced, the factory diodes quickly overheat, inducing severe voltage ripple, premature battery discharge, and intermittent powertrain sensor dropouts.
The Engineering Solution
Engineered and manufactured in the USA, this heavy-duty 250-amp unit delivers high-amperage output across the entire RPM range, maintaining clean 14.4-volt charging even at idle. Built with heavy-gauge, high-temperature copper windings and an oversized heavy-duty heat sink assembly, this alternator uses premium press-fit avalanche diodes to dissipate thermal load efficiently. It fits directly into the factory bracket locations, interfacing seamlessly with OEM serpentine routing to resolve inductive drops under severe continuous electrical loads.
What's Included
- 1x 250-Amp High Output Alternator
Technical Specifications
| Fitment | 1997-1998 Dodge Ram 1500 |
|---|---|
| Engine / Chassis | Magnum 3.9L, 5.2L, 5.9L / BR/BE |
| Stock Output | 175-245 hp / 225-335 lb-ft |
| Replaces OEM Part # | 13742, 334-1294, AL6526N, 56027913, 56041394, AL6526X, 13742N, 121000-4171, 121000-4170, 121000-4300, 13742-250 |
Compatibility
- 1997-1998 Dodge Ram 1500 3.9L V6
- 1997-1998 Dodge Ram 1500 5.2L V8
- 1997-1998 Dodge Ram 1500 5.9L V8
Frequently Asked Questions & Fitment Warnings
Does this fit the BR/BE Ram 1500?
Yes, this is a direct bolt-on fit for 1997-1998 Dodge Ram 1500 models factory-equipped with the Magnum 3.9L V6, Magnum 5.2L V8, or Magnum 5.9L V8 engines.
Do I need to upgrade my charging cables?
A "Big 3" cable upgrade with a minimum 4-gauge or 1/0-gauge fused B+ cable and upgraded grounds is strongly advised to safely carry 250 amps.
The Dodge Truck Caliber
Heavy hauling, commercial snow removal, and severe-duty towing require uncompromising electrical reserves. This charging unit ensures full operational power for auxiliary equipment without placing stress on critical ignition systems.
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