Alternator 12V 70A Bosch Style – BXA030
The OEX Alternator BXA030 is a heavy-duty 12V, 70-amp alternator designed as a direct replacement for Bosch-style units. Built to deliver consistent and reliable charging performance, this alternator is ideal for older passenger vehicles, V8 applications, and industrial machinery requiring dependable electrical output.
Manufactured using high-quality components and tested to strict standards, this unit offers excellent durability, long service life, and reliable performance in demanding environments.
Key Features
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70A charging output – suitable for standard and classic vehicle electrical systems
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Bosch-style design – direct OE replacement
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Internal regulator (Pin Code IR165) – stable voltage control
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Single leg mounting configuration – ensures proper fitment
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A-section V-belt pulley (70mm) – designed for older belt systems
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Heavy-duty construction (9.3kg) – built for tough applications
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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: 70 Amp
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Pulley Outside Diameter: 70mm
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Pulley Section: A Section (V-Belt)
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Regulator Type: Internal
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Pin Code: IR165
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Mount Type: Single Leg
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Mount Centre-to-Centre: 170mm
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Mount Leg Thickness: 56mm
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Adjusting Hole Diameter: M8 x 1.25
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Pivot Hole Diameter: 10mm
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Shaft Dimension: 17mm
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Weight: 9.3kg
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Suits Unit Make: Bosch
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Unit Type: New
Vehicle Applications
Commonly fitted to:
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HSV Commodore VN i V8 5.0L Petrol Sedan RWD (1989 – 1991)
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Pontiac Firebird 5.0L V8 Petrol Convertible RWD (1990 – 1992)
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Toyota Corona XT130 1.9L Petrol Sedan / Wagon RWD (1979 – 1983)
Industrial & Equipment Applications:
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New Holland TW30 Tractor 6.6L Diesel (1979 →)
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Volvo Construction SD45D / SD45F 3.3L Diesel Compactor (2008 – 2009)
Important Fitment Notes
- Designed as a 70A Bosch-style replacement unit
- Features single leg mount with A-section pulley
- Some applications may originally use different amp ratings (e.g. 55A variants)
- Always confirm:
- Mounting configuration
- Pulley type (V-belt vs multi-rib)
- Electrical plug type
- Output rating
Check against your original unit before purchase to ensure compatibility.
Performance & Reliability
The BXA030 alternator is engineered for reliable performance across both automotive and industrial applications. Its robust design and V-belt pulley system make it especially suitable for older engines and machinery, ensuring consistent battery charging and stable operation of essential systems.
Why Choose OEX?
- Trusted aftermarket brand across Australia & New Zealand
- Designed for direct fitment and OE-style performance
- Built for durability in demanding environments
- Backed by reliable warranty support
