OEX Alternator 12V 180A Bosch Style – Cogged BXA078
The OEX BXA078 Alternator is a high-output 12V, 180-amp Bosch-style cogged alternator designed for vehicles with increased electrical demands. Built as a direct replacement unit, it delivers strong, stable charging performance for modern passenger, SUV, and light commercial applications.
Engineered to OE-quality standards using ISO-certified manufacturing processes, this alternator provides reliable voltage regulation, long service life, and accurate Bosch-style fitment for hassle-free installation in compatible applications.
Key Features
- High output 180A capacity – ideal for modern electrical and accessory loads
- Bosch-style OE replacement design – direct fitment application
- Cogged pulley system – improved belt grip and reduced slippage
- Internal regulator (Pin Code IR139) – stable and precise voltage control
- Quad-leg mounting configuration – secure OE-style installation
- Heavy-duty construction – designed for demanding conditions
- Brand new unit – not remanufactured
- 3-year passenger / 1-year commercial warranty
Specifications
- Voltage: 12V
- Output: 180 Amp
- Part Number: BXA078
- Pulley Section: Cogged
- Pulley Outside Diameter: 62mm
- Regulator Type: Internal
- Mount Type: Quad Leg
- Mount Centre to Centre: 128mm
- Inside Mounting Legs: 62mm
- Pivot Hole Diameter: M8 x 1.25 / 8mm
- Pin Code: IR139
- Suits Unit Make: Bosch Style
- Unit Type: New
Vehicle Applications
Commonly fitted to selected applications including:
- Volkswagen Transporter / Caravelle (selected models)
- Skoda Octavia (selected models)
- Holden Barina (selected models)
- Various Bosch-style 180A charging systems
✔ Application-specific unit – always confirm by part number BXA078 before purchase
✔ Must match mounting pattern, pulley type (cogged), regulator code, and connector configuration
(Bosch-style alternators often look identical externally, but differences in pulley type and mounting dimensions make OE verification essential before installation.)
Performance & Reliability
The BXA078 is engineered for consistent high-output charging under demanding electrical loads. It supports systems such as ECU control, lighting, HVAC, and aftermarket accessories while maintaining stable voltage regulation across all engine speeds.
Its cogged pulley design improves belt engagement and durability, making it suitable for vehicles operating under higher load conditions.
Why Choose OEX?
- Trusted aftermarket brand across Australia & New Zealand
- Designed for OE-level fitment and reliability
- Manufactured under ISO 9001 certified quality systems
- Proven durability in automotive and light commercial use
- Strong nationwide warranty support
