Alternator 12V 160A Denso Style – DXA4039
The OEX Alternator DXA4039 is a high-output 12V, 160-amp alternator designed as a direct replacement for Denso-style units used in a range of Dodge and Jeep vehicles. Engineered to deliver strong and consistent charging performance, this alternator is ideal for vehicles with higher electrical demands.
Built using premium-grade components and tested to meet strict quality standards, this unit ensures reliable operation, long service life, and durability under both passenger and light commercial use.
Key Features
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High output 160A charging capacity – ideal for vehicles with increased electrical loads
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Denso-style design – direct OE replacement fitment
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External regulator (Pin Code ER55) – controlled by vehicle PCM
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Twin leg mounting design – ensures secure and accurate installation
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Heavy-duty construction – built for long-term reliability
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Brand new unit – not remanufactured
- 3-year passenger / 1-year commercial warranty
Specifications
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Voltage: 12V
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Output: 160 Amp
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Pulley Section: 6 Groove
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Pulley Outside Diameter: 57mm
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Regulator Type: External (PCM Controlled)
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Pin Code: ER55
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Mount Type: Twin Leg
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Mount Centre to Centre: 157mm
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Inside Mounting Legs: 68mm
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Adjusting Hole Diameter: 13mm
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Pivot Hole Diameter: M10 x 1.5 / 11mm
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Weight: 5.64kg
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Unit Type: New
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Suits Unit Make: Denso
Vehicle Applications
Commonly fitted to:
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Dodge Nitro 3.7L V6 (EKG) AWD / RWD (2006–2012)
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Jeep Cherokee KJ 3.7L V6 (EKG) AWD / RWD (2001–2008)
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Jeep Cherokee KK 3.7L V6 (EKG) AWD / RWD (2008–2013)
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Jeep Grand Cherokee WG/WJ II 4.7L V8 AWD (2001–2005)
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Jeep Grand Cherokee WH/WK III 3.7L V6 AWD (2004–2010)
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Jeep Grand Cherokee WH/WK III 4.7L V8 AWD (2007–2010)
⚠️ Important: This alternator is externally regulated by the PCM (Powertrain Control Module). Always inspect wiring and confirm PCM functionality before replacing the alternator.
Performance & Reliability
The DXA4039 alternator is designed to handle higher electrical loads from modern vehicle systems including climate control, infotainment, and charging systems. Its high-output capability ensures consistent battery charging and dependable performance across various driving conditions.
The externally regulated system allows precise voltage control via the vehicle’s PCM, making it a suitable OE-style replacement for compatible applications.
Why Choose OEX?
- Trusted aftermarket brand across Australia & New Zealand
- Designed for direct fitment and OE-level performance
- Built using high-quality components for durability
- Suitable for high electrical demand applications
- Backed by strong warranty support
