Product Title
Voltage Regulator Rectifier 278000443 for Sea-Doo 787/800 Models | OEM 278-000-443 Replacement | 1995-1999 PWC Electrical System Product Description
Precision Marine Compatibility:
Direct replacement for Sea-Doo OEM #278000443 & 278-000-443
Engineered for:
- 787/800 XP (1995-1996)
- GTX (1996-1997)
- SPX (1997-1999)
- GSX (1996)
- 720 SP/800 SP/GSX series

Advanced Thermal Management:
CNC-machined aluminum heat sink (35% improved dissipation)
MIL-STD-202H vibration resistant construction
Thermal epoxy encapsulation (-40°F to 302°F range)
Overheat protection circuit with auto-reset function

Electrical Specifications:
Voltage regulation: 14.4V±0.15V @ 6,000 RPM
Current capacity: 25A continuous/40A peak
Ripple suppression: Reverse polarity protection (16V cutoff)

Performance Features:
Triple-layer silicon rectifier diodes
IP67 waterproof sealed terminals
Silver-plated copper windings (99.95% purity)
SAE J1171 marine ignition protection

Model-Specific Applications:
1995-1996 Sea-Doo 787/800 XP
1996 GSX/1996-1997 GTX
1997-1999 SPX models
Compatible with:
- All 720-800cc Rotax engines
- 12V marine electrical systems

Installation:
Direct bolt-on replacement
Corrosion-resistant M6 hardware included
Maintains OEM wiring configuration