OEX Alternator 12V 220A Denso Style – DXA4144HO (See Note)
The OEX Alternator DXA4144HO is a heavy-duty 12V, 220-amp high-output alternator designed as a direct replacement for Denso-style units used in Toyota Land Cruiser applications. Built for extreme electrical demand, this alternator is ideal for vehicles fitted with winches, auxiliary lighting, touring setups, and heavy accessory loads.
Engineered for maximum durability and performance, this unit is manufactured to OE standards using high-quality components to ensure stable voltage output, reliable charging, and long service life in demanding conditions.
Key Features
- Ultra high-output 220A performance – designed for heavy-duty electrical systems
- Denso-style OE replacement design – direct fitment application
- Internal regulator (Pin Code IR115) – stable and controlled voltage output
- Heavy-duty 9 groove pulley system – improved belt grip under load
- Built for Land Cruiser heavy-duty applications
- “See Note” installation requirement – wiring and fuse precautions apply
- Brand new unit – not remanufactured
- 3-year passenger / 1-year commercial warranty
Important Installation Note
- If the original alternator fuse cannot be removed, do not connect the original B+ cable lug directly to the alternator.
- The original cable lug must be properly insulated using dual wall heat shrink to prevent short circuit risk.
- This is a 220A upgrade unit, so correct installation and system verification is essential before use.
Specifications
- Voltage: 12V
- Output: 220 Amp
- Pulley Section: 9 Groove
- Pulley Outside Diameter: 58mm
- Regulator Type: Internal
- Pin Code: IR115
- Mount Hole Diameter: 10mm
- Mount Leg Thickness: 60mm
- Inside Mounting Legs: 64mm
- Alternator Mount: Heavy-duty OE-style
- Suits Unit Make: Denso
- Unit Type: New
Vehicle Applications
Commonly fitted to:
- Toyota Land Cruiser VDJ200 (4.5L 1VD-FTV Diesel)
- Toyota Land Cruiser VDJ76R / VDJ78R (Troop Carrier & Wagon)
- Toyota Land Cruiser VDJ79R (Single & Dual Cab Pickup)
- Toyota Land Cruiser VDJL76R / VDJL78R / VDJL79R (Late model variants)
✔ Suitable for Euro 4 1VD-FTV 4.5L V8 diesel applications
✔ Designed for heavy accessory / touring setups and high electrical demand systems
(Always confirm compatibility using DXA4144HO, OE number, and output rating before installation, as this is a high-output upgrade unit and must match system requirements.)
Performance & Reliability
The DXA4144HO alternator is engineered for extreme-duty performance, making it ideal for 4WD touring, off-road setups, and vehicles running multiple electrical accessories. Its 220A output ensures strong and stable charging even under continuous heavy load conditions.
With reinforced internal components and OE-style fitment design, it delivers improved charging efficiency, durability, and long-term reliability in harsh environments.
Why Choose OEX?
- Trusted aftermarket brand across Australia & New Zealand
- Designed for heavy-duty OE-style replacement and upgrade applications
- Built for extreme electrical load and off-road conditions
- Manufactured under strict quality-controlled standards
- Strong warranty support for peace of mind in demanding use
