Alternator for Volvo Penta Marine 12V 70A MD2010 MD2020 MD2030 MD2040 873770
Alternator for Volvo Penta Marine 12V 70A MD2010 MD2020 MD2030 MD2040 873770
SKU:400-29040
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Volvo Penta Marine Alternator 12V 70A
Replaces Part Numbers: 873770 / 872235 / 3803260
Restore your vessel's electrical charging system with this premium 12-volt, 70-amp alternator. Specifically engineered for Volvo Penta marine environments, this unit is a direct-fit replacement for the standard 50A and 60A units, providing superior charging stability for on-board electronics and battery banks. Manufactured using high-temperature-resistant components, it ensures reliable performance in confined engine compartments.
Key Features
- ✔ 70 Amp Output: Reliable power for heavy marine loads.
- ✔ Direct Bolt-On: Precision mounting for easy installation.
- ✔ Internal Regulator: Ensures consistent 14.4V charging.
- ✔ Corrosion Resistant: Marine-grade coating for durability.
Technical Specs
| Voltage | 12V |
| Amperage | 70A |
| Pulley Type | Single V-Belt |
| Rotation | Clockwise (CW) |
| Regulator | Internal (IR) |
Compatibility / Fitment Guide
| Engine Series | Models | Notes |
|---|---|---|
| MD20XX Series | MD2010, MD2020, MD2030, MD2040 | All A, B, C, D variants |
| 2000 Series | 2001, 2002, 2003, 2003T | Common on Saildrives |
| Diesel AD/TAMD | AD31, AD41, TAMD31, TAMD41 | 12V Marine Systems |
| KAD Series | KAD32, KAD42, KAD43, KAD44, KAMD300 | Check pulley alignment |
| Petrol AQ | AQ115, AQ120, AQ125, AQ130, AQ131, AQ140, AQ145, AQ151, AQ171 | Fits most 4-cyl petrol |
OEM Cross Reference
| Volvo Penta: 873770, 872235, 872018, 872926, 858838, 858839, 834625, 841378, 841762, 841765, 841766, 3803260-3, 3803260 |
| Valeo / Paris Rhone: A13N1M, A13N147M, A13N148M, A13N2M |
| Other References: LRA00367, 11.203.416, IA1202, 12411N |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured by 4Drive to meet or exceed original equipment (OE) standards for fitment and marine performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original part number matches any of these (e.g., 873770 or 872235), it is a guaranteed fit.
Will this fit if my original was only 50 Amps?
Yes, this 70 Amp unit is a common upgrade for older 50A or 60A Volvo Penta alternators. The mounting points remain the same, but the increased output allows for faster battery charging and better support for modern navigation equipment.
Note: Please verify your original part number against the references above before purchasing. For support, visit 4drive.co.uk.
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