High Output Alternator for Chrysler 300 (2008-2010) 3.5L 5.7L 6.1L
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High-Output 300-Amp Alternator for 2008-2010 Chrysler 300 (LX)
What it Does: The 300-amp high-output alternator replaces the factory charging unit on the 2008-2010 Chrysler 300 to eliminate severe voltage drop and sustain high electrical loads from auxiliary equipment, cooling fans, and high-wattage audio setups.
The Stock Chrysler 300 Electrical Bottleneck
Factory alternators on the LX platform were engineered strictly for stock electrical loads, outputting roughly 140 to 160 amps under ideal conditions. When subjected to aftermarket audio amplifiers, supplemental cooling systems, or severe engine bay heat soak, the OEM rectifiers fail to maintain voltage stability. At hot idle, OEM charging rates drop significantly, resulting in dipped rail voltages below 12.5V, dimming headlights, sluggish PCM sensor response, and premature battery degradation.
The Engineering Solution
This 300-amp direct-replacement unit utilizes a heavy-duty hairpin stator design wound with heavy-gauge copper to provide superior idle generation and high continuous amp delivery. Built with an internal heavy-duty bridge rectifier and avalanche diodes, it disperses heat rapidly through reinforced aluminum housing heat sinks. The precision-balanced rotor prevents belt slip at high RPM, delivering steady, uncompromised 14.4V regulation to the vehicle electrical harness under full operating temperature.
What's Included
- 1x 300-Amp High Output Alternator
Technical Specifications
| Fitment | 2008-2010 Chrysler 300 |
|---|---|
| Engine / Chassis | 3.5L V6 (EGJ), 5.7L HEMI (EZB), 6.1L SRT8 HEMI (ESF) / LX |
| Stock Output | 250 - 425 hp / 250 - 420 lb-ft |
| Replaces OEM Part # | 11383, 4896805AD, 421000-0620, 210-0653, 11383N, 11383R, 11383-300A |
Compatibility
- 2008-2010 Chrysler 300 3.5L V6
- 2008-2010 Chrysler 300 5.7L HEMI V8
- 2008-2010 Chrysler 300 6.1L SRT8 HEMI V8
Frequently Asked Questions & Fitment Warnings
Does this fit the LX 300?
Yes, this is a direct bolt-in fit for the 2008-2010 Chrysler 300 equipped with the 3.5L V6, 5.7L HEMI, or 6.1L HEMI engines. Does not fit 2.7L V6 models.
Do I need to upgrade my charging cables?
A "Big 3" electrical upgrade using 0-gauge or 4-gauge wiring is highly recommended to safely pass 300 amps without exceeding the factory fusible link limits.
The Chrysler Muscle Caliber
Engineered to handle the violent RPM swings and intense underhood heat of HEMI and high-displacement V6 platforms, this high-output unit supplies rock-solid electrical current under demanding conditions.
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