OEX Alternator 12V 180A Denso Style – DXA4143HO (See Note)
The OEX Alternator DXA4143HO is a heavy-duty 12V, 180-amp high-output alternator designed as a direct replacement for Denso-style units used in Toyota Land Cruiser applications. Engineered for increased electrical demand, it provides strong and stable charging performance for vehicles fitted with touring accessories, winches, lighting upgrades, and auxiliary systems.
Built to OE standards using high-quality components, this alternator delivers reliable output, improved durability, and long service life in demanding off-road and commercial environments.
Key Features
- 180A high-output performance – ideal for upgraded electrical systems
- Denso-style OE replacement design – direct fitment application
- Internal regulator (Pin Code IR115) – stable voltage control
- Heavy-duty 9 groove pulley system – reliable belt grip under load
- Designed for Land Cruiser heavy-duty applications
- “See Note” installation requirement – wiring and safety 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 high-output 180A unit, so correct installation and system verification is essential before use.
Specifications
- Voltage: 12V
- Output: 180 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
- 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 (Pickup variants)
- Toyota Land Cruiser VDJL76R / VDJL78R / VDJL79R (Late model variants)
✔ Designed for Euro 4 1VD-FTV 4.5L V8 diesel applications
✔ Suitable for heavy-duty touring and accessory-loaded vehicles
(Always confirm compatibility using DXA4143HO, OE number, and output rating before installation, as this is a high-output upgrade unit.)
Performance & Reliability
The DXA4143HO alternator is engineered for demanding electrical systems requiring higher-than-standard charging output. It ensures stable battery charging and reliable power delivery for multiple accessories, even under continuous heavy load conditions.
Its reinforced OE-style construction provides improved efficiency, durability, and long-term reliability in harsh off-road and commercial environments.
Why Choose OEX?
- Trusted aftermarket brand across Australia & New Zealand
- Designed for heavy-duty OE-style replacement and upgrades
- Built for high electrical load and extreme conditions
- Manufactured under strict quality-controlled standards
- Strong warranty support for peace of mind
