12V 50A Alternator 821663 821663-1 821663A1 Fits for Mariner Engine – Marine 225L 225XL 225XXL 3.0L - 185.0ci - 225 H.P. 1994-2000

12V 50A Alternator 821663 821663-1 821663A1 Fits for Mariner Engine – Marine 225L 225XL 225XXL 3.0L - 185.0ci - 225 H.P. 1994-2000

Ensuring your marine equipment operates at peak performance requires components that meet stringent quality and durability standards. This 12V 50A alternator is engineered to OEM specifications, providing reliable power generation for marine engines in the construction and marine industries.

Designed specifically for Mariner marine engines, this alternator guarantees a precise fit and long-lasting service life. Its robust construction and internal regulator enhance operational stability, making it an essential part for maintaining engine efficiency and preventing unexpected downtime.

Compatible Part Numbers

• Denso 101211-302
• Denso 101211-3020
• Denso 101211-3021
• Mercury Marine 821663
• Mercury Marine 821663-1
• Mercury Marine 821663A1
• Sierra 18-6449

Specifications

• Voltage: 12V
• Amperage: 50A
• Regulator Clock: 3:00
• Fan Location: Internal
• Regulator Location: Internal
• Stud Size: M6-1.0
• Polarity: Negative
• Pulley Grooves: 1
• Pulley Type: Solid

Compatible Engines

• Mariner Engine – Marine 225L 3.0L - 185.0ci - 225 H.P. (1994-1999)
• Mariner Engine – Marine 225XL 3.0L - 185.0ci - 225 H.P. (1994-1999)
• Mariner Engine – Marine 225XXL 3.0L - 185.0ci - 225 H.P. (1994-1999)
• 225 (Carb) GM 3.0L - 183ci - 6cyl
• 225 (EFI) GM 3.0L - 183ci - 6cyl
• 225 SEA PRO (Carb) GM 3.0L - 183ci - 6cyl
• 250 (EFI) GM 3.0L - 183ci - 6cyl
• 225CXL EFI 3.0L - 185.0ci - 225 H.P. (1995-2000)
• 225CXL Seapro 3.0L - 185.0ci - 225 H.P. (1996-1998)
• 225CXXL EFI 3.0L - 185.0ci - 225 H.P. (1995-2000)
• 225L EFI 3.0L - 185.0ci - 225 H.P. (1996-2000)
• 225XL EFI 3.0L - 185.0ci - 225 H.P. (1995-2000)
• 225XXL EFI 3.0L - 185.0ci - 225 H.P. (1995-2000)
• 250CXL EFI 3.0L - 185.0ci - 250 H.P. (1995-2000)
• 250CXXL EFI 3.0L - 185.0ci - 250 H.P. (1995-2000)
• 250XL EFI 3.0L - 185.0ci - 250 H.P. (1995-2000)
• 250XXL EFI 3.0L - 185.0ci - 250 H.P. (1995-2000)
• 300CL Promax Racing 3.0L - 185.0ci - 300 H.P. (1998-2000)
• 300CXL Promax Racing 3.0L - 185.0ci - 300 H.P. (1998-2000)
• 300L Promax Racing 3.0L - 185.0ci - 300 H.P. (1998-2000)
• 300XL Promax Racing 3.0L - 185.0ci - 300 H.P. (1998-2000)

Compatible Equipment

• Mariner Marine Engines: 225L, 225XL, 225XXL, 225CXL, 225CXXL, 225L EFI, 225XL EFI, 225XXL EFI, 250CXL EFI, 250CXXL EFI, 250XL EFI, 250XXL EFI, 300CL Promax Racing, 300CXL Promax Racing, 300L Promax Racing, 300XL Promax Racing
• GM Marine Engines: 225 (Carb) 3.0L - 183ci - 6cyl, 225 (EFI) 3.0L - 183ci - 6cyl, 225 SEA PRO (Carb) 3.0L - 183ci - 6cyl, 250 (EFI) 3.0L - 183ci - 6cyl