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Overview
DB Electrical Alternators
DB Electrical keeps watercrafts moving forward with quality aftermarket alternators. We work directly with factories to ensure each component is manufactured to our exacting quality control standards. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices.
With DB Electrical alternators, you’ll get …
- Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
- Direct-Fit OEM Replacement Parts – DB Electrical aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
- Engineer-Tested Excellence – Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.
Reasons to choose DB Electrical for your next alternator:
- Built to Take the Heat – Most DB Electrical alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease for better charging and longer life under high-heat environments.
- Corrosion Resistance – Plated fans, pulleys and hardware offer protection against rust-producing dampness.
- Flame Arrestor Screens – Where applicable, alternators come with these screens to meet Marine SAEJ1171 Certification as laid out by the SAE.
- Brand New Alternator – Never settle for a secondhand one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.
The DB Electrical Advantage – 1-Year Warranty
DB Electrical delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.
Item Number: 400-12485
100% Brand New Aftermarket Part From DB Electrical
Product Specs
Item Condition | Aftermarket Part |
Unit Type | Alternator |
Voltage | 12 |
Rotation | CW |
Amperage | 105 |
Clock | 12 |
Pulley Class | V1 |
Regulator | IR |
Fan Type | EF |
Applications List
MAKE | TYPE | MODEL | YEAR | ENGINE |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1977 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1978 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1979 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1980 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1981 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1982 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1983 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1984 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1985 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1986 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1987 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1988 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 120 | 1989 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1977 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1978 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1979 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1980 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1981 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1982 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1983 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1984 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1985 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 140 | 1986 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 2.5L | 1987 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 2.5L | 1988 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 2.5L | 1989 | GM 2.5L 153ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 3.0 / 3.0LX | 1987 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 3.0 / 3.0LX | 1988 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | STERN DRIVE Model 3.0 / 3.0LX | 1989 | GM 3.0L 181ci 4cyl | |
MERCRUISER MARINE | HP ENG420 | 89-87 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 425 (Gen V) | 93-92 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 425 | 92-90 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 465 (Gen V) | 94-92 | GM 8.2L - 502ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 465 | 92-90 | GM 8.2L - 502ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 525SC (Gen V) | 95-92 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | HP ENG 525SC | 92-91 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | IB ENG 230 MIE | 95-81 | GM 5.0L - 305ci - 8cyl Mando 55A | |
MERCRUISER MARINE | IB ENG 230 MIE | 95-81 | GM 5.0L - 305ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | IB ENG 260 MIE | 87-81 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | SKI ENG 350 Mag Ski | 96-91 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | SKI ENG 5.7L Competition Ski | 95-87 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | SKI ENG 5.7L Competition Ski | 95-87 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | SKI ENG 5.7L Ski | 87-85 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | SKI ENG 5.7L Ski | 87-85 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 120 | 89-83 | GM 2.5L - 153ci - 4cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 140 | 86-83 | GM 3.0L - 181ci - 4cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 175 | 92-87 | GM 4.3L - 262ci - 6cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 185 | 84-83 | GM 3.8L - 229ci - 6cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 185 | 84-83 | GM 3.8L - 229ci - 6cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 185 | 87-85 | GM 4.3L - 262ci - 6cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 185 | 87-85 | GM 4.3L - 262ci - 6cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 2.5L | 89-87 | GM 2.5L - 153ci - 4cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 200 | 86-85 | GM 5.0L - 305ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 200 | 87-85 | GM 5.0L - 305ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 205 | 87-85 | GM 4.3L - 262ci - 6cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 205 | 91-85 | GM 4.3L - 262ci - 6cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 228 | 84-82 | GM 5.0L - 305ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 228 | 84-82 | GM 5.0L - 305ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 230 | 86-85 | GM 5.0L - 305ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 230 | 87-85 | GM 5.0L - 305ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 260 | 86-82 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 260 | 87 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 3.0 / 3.0LX | 95-87 | GM 3.0L - 181ci - 4cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 3.0 / 3.0LX | 95-90 | GM 3.0L - 181ci - 4cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 300 Tempest | 86-85 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 320 (EFI) | 87 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 330 | 87-82 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 330 | 87-82 | GM 7.4L - 454ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 350 Mag Alpha 4-BBL | 96 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 350 Mag Alpha | 87-86 | GM 5.7L - 350ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 350 Mag Alpha | 95-86 | GM 5.7L - 350ci - 8cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 370 TRS | 87-78 | GM 7.4L - 454ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 4.3L (2-BBL) | 92-88 | GM 4.3L - 262ci - 6cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 4.3L (GenII) | 96-92 | GM 4.3L - 262ci - 6cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 4.3L (GenII)(2-BBL) | 96-92 | GM 4.3L - 262ci - 6cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 4.3L X (4-BBL) | 92-88 | GM 4.3L - 262ci - 6cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 400 TRS (Cyclone) | 86-80 | GM 7.4L 454ci - 8cylMotorola 51A | |
MERCRUISER MARINE | STERN DRV 440 TRS (Cyclone) | 86-83 | GM 7.4L 454ci - 8cylMotorola 51A | |
MERCRUISER MARINE | STERN DRV 454 Mag Alpha | 88-86 | GM 7.4L - 454ci - 8cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 454 Mag Bravo | 92-88 | GM 7.4L - 454ci - 8cyl Mando55A | |
MERCRUISER MARINE | STERN DRV 454 Mag Bravo Gen V | 96-92 | GM 7.4L 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 454 Mag Bravo Gen VI | 97-96 | GM 7.4L 454ci - 8cylMando 55A | |
MERCRUISER MARINE | STERN DRV 460TRS (Cyclone) | 86-83 | GM 7.5L - 482ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 5.0LX | 95-88 | GM 5.0L - 305ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 5.7L (2-BBL) | 96 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 5.7L Bravo | 95-88 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 5.7L X (4-BBL) | 96 | GM 5.7L - 350ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 502 Mag Bravo (V) | 93-92 | GM 8.2L - 502ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 502 Mag Bravo | 92-90 | GM 8.2L 502ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 7.4L Bravo(Gen V) | 96-92 | GM 7.4L - 454ci - 8cylMando 55A | |
MERCRUISER MARINE | STERN DRV 7.4L Bravo(Gen VI) | 97-96 | GM 7.4L | |
MERCRUISER MARINE | STERN DRV 7.4L Bravo | 91-88 | GM 7.4L - 454ci - 8cyl Mando 55A | |
MERCRUISER MARINE | STERN DRV 7.4L Bravo | 91-88 | GM 7.4L - 454ci - 8cyl Motorola 51A | |
MERCRUISER MARINE | STERN DRV 898 | 84-83 | GM 5.0L - 305ci - 8cyl Motorola 37A | |
OMC MARINE | INBOARD & V-DRIVE | 88-87 | 5.0L GM Engine(Motorola) | |
OMC MARINE | INBOARD & V-DRIVE | 90-87 | 2.3L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 90-87 | 7.5L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 92-88 | 8.2L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 92-89 | 5.8L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 92-90 | 5.0L Ford Engine (Motorola) | |
OMC MARINE | INBOARD & V-DRIVE | 93-92 | 3.2L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 96-87 | 3.0L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 96-87 | 4.3L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 96-87 | 5.7L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 96-88 | 7.4L Motorola System | |
OMC MARINE | INBOARD & V-DRIVE | 96-93 | 5.8L Motorola System (Exc. EFI) | |
OMC MARINE | INBOARD & V-DRIVE | Various Engines Mando 55A Alternator | ||
OMC MARINE | INBOARD & V-DRIVE | Various Engines Mando 55A Alternator | ||
VOLVO PENTA | MARINE ENGINES | 96 | 5.7L Standard 51A Unit (Motorola) | |
VOLVO PENTA | MARINE ENGINES | 96 | 7.4L Standard 51A Unit (GL) | |
VOLVO PENTA | MARINE ENGINES | 96 | 8.2L Standard 51A Unit (GL) | |
VOLVO PENTA | MARINE ENGINES | 96-95 | 3.0L Motorola System | |
VOLVO PENTA | MARINE ENGINES | 96-95 | 4.3L Standard 51A Unit (GL, GS) | |
VOLVO PENTA | MARINE ENGINES | 96-95 | 5.0L Ford Standard 51A Unit (FL) | |
VOLVO PENTA | MARINE ENGINES | 96-95 | 5.8L Standard 51A Unit (FL) |
Replaces These Part Numbers
ARROWHEAD | ADR0341, 400-12485 |
FAMILY | 10SI |
J&N Electrical Products | 400-12485 |
Frequently Asked Questions
Q: Do I need a larger charge wire for a High Output unit? |