MERCURY OPTIMAX 1.5L 3-CYL DFI OUTBOARD (75-125HP):
75ELPT Optimax 1.5L 92.9CI 75HP DFI (2005-2009)
90ELPT/90EXLPT Optimax 1.5L 92.9CI 90HP DFI (2006-2009)
115ELPT/115EXLPT Optimax 1.5L 92.9CI 115HP DFI (2004-2014)
115ELPT/115EXLPT Saltwater Optimax 115HP DFI (2004-2005)
115ELPT Pro XS Optimax 1.5L 92.9CI 115HP DFI (2010-2015)
125ELPT/125EXLPT Optimax 1.5L 92.9CI 125HP DFI (2010-2014)
MERCURY OPTIMAX 3.0L V6 OUTBOARD (200-300HP):
200CXL/200L/200XL/200XXL Optimax & DTS 3.0L 185CI 200HP (1998-2009)
225CXL/225L/225XL/225XXL Optimax/DTS/EFI 3.0L 185CI 225HP (1998-2009)
225 Pro XS/225XS Sport Racing Optimax 225HP (2005-2009)
250CXL/250XL/250XXL EFI & 250 Pro XS/250XS Racing 250HP (2001-2009)
300X/300XS ProMax Racing 300HP (2005-2009)
OEM PART NUMBERS:
Mercury: 875286A1/875286A-1/875286T/881247A1/889956/8M0064020/8M6000803/828506
19020704/19020707/8600514 / 20115011TBA
50A Marine Alternator — Mercury Optimax EFI DFI Outboard 75-300HP:
New 50 amp 12V marine alternator for Mercury Optimax, EFI, DFI, DTS, and Pro XS outboard motors from 75HP to 300HP. 5SI series with internal regulator and fan. 4-groove serpentine pulley, 9:00 clock position, CW rotation, M6-1.0 B+ terminal. SAE J1171 marine ignition protection certified. Fits 1.5L 3-cyl (75/90/115/125HP) and 3.0L V6 (200/225/250/300HP) powerheads from 1998 to 2015. Dual 10mm unthreaded mounting holes with 31mm mounting foot. Permanent magnet design. Weight 7.46 lbs / 3.39 kg.
ADDITIONAL CROSS-REFERENCES:
Voltage: 12V / Amperage: 50A
Pulley: 4-Groove Serpentine 50mm OD
Clock Position: 9:00 / Polarity: Negative
Model Years: 1998-2015
⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.