Mercury Mariner Outboard Rectifier 62351A1 62351A2 816770 816770T 12V 3-Post Part
135632
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Mercury Outboard Rectifier 62351A1
Premium Quality 3-Post Charging System Component
This high-performance marine rectifier is engineered to convert the AC power generated by your engine's stator into regulated DC power, ensuring your battery remains charged and your onboard electronics receive consistent voltage. Designed specifically for the classic square 3-post mounting system found on many Mercury and Mariner 2-stroke outboards, this component is critical for both the charging circuit and providing the signal for your tachometer.
Key Features
- β Direct fit for 16-Amp and 9-Amp systems
- β High-grade potting for vibration resistance
- β Precision 3-post terminal layout
- β Heavy-duty heat dissipation base
Technical Specs
| Voltage: | 12V DC |
| Amperage Cap: | Up to 20A |
| Terminal Type: | 3-Post (Square) |
| Mounting: | Single Bolt Hole |
Compatibility / Fitment Guide
| Engine Range | Model Years | Notes |
|---|---|---|
| 6 HP to 25 HP | 1970 - 1997 | Standard 2-Stroke |
| 40 HP to 90 HP | 1967 - 2000 | 3 & 4 Cylinder Models |
| 100 HP to 200 HP | 1976 - 1995 | V6 16-Amp Systems |
| 225 HP / ProMax | Various | Check original SKU |
OEM Cross Reference
| Mercury / Mariner: | 62351A1, 62351A2, 816770, 816770T |
| Sierra Marine: | 18-5707 |
| CDI Electronics: | 154-6770 |
| Mallory Marine: | 9-17100 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance on Mercury and Mariner engines.
How do I know if it is compatible?
Check if your current rectifier is the "square style" with three posts. If your original part number matches 62351A1, 816770T, or Sierra 18-5707, this is the correct replacement.
Will this fix my tachometer if it's not working?
Often, yes. On many Mercury outboards, the tachometer signal is derived from the rectifier/stator circuit. If the rectifier fails, the tachometer is usually the first gauge to stop working correctly.
Note: Please verify your original part number against the references above before purchasing. Distributed by 4boats.co.uk.
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