The AJ-ELECTRIC AJ2827 is a premium-quality 12-volt, 51-amp alternator engineered as a direct replacement for selected Caterpillar marine and industrial engines. Manufactured to meet or exceed OEM specifications, this alternator provides dependable charging performance for generator sets, construction equipment, air compressors, and marine applications.

Always verify the OEM part number before ordering.

Features

• Premium Quality New Alternator

• 12 Volt

• 51 Amp Output

• Internal Regulator

• External Fan (IR/EF)

• Heavy-Duty Construction

• Factory Tested

• Meets or Exceeds OEM Specifications

• Direct Replacement

Replaces AJ-ELECTRIC Part Number

• AJ2827

Replaces OEM Manufacturer Part Numbers

Caterpillar

• 0R3654

• 2N6396

• 2N7759

• 6T1396

• 7T2096

Motorola

• 8HC2023K

• 8HC2023KS

• 8HC2024K

• 8HC2024KA

• 8HC2024KS

• 10-284

• 10-312

Compatible Marine Engines

• Caterpillar 3116

• Caterpillar 3176B

• Caterpillar 3176C

• Caterpillar 3196C

• Caterpillar 3208

• Caterpillar 3406

• Caterpillar 3408

• Caterpillar 3412

Compatible Industrial Engines

• Caterpillar 3114

• Caterpillar 3116

• Caterpillar 3126

• Caterpillar 3176B

• Caterpillar 3176C

• Caterpillar 3196

• Caterpillar 3208

• Caterpillar 3306

• Caterpillar 3406

• Caterpillar 3408

• Caterpillar 3412

Compatible Equipment

Caterpillar Equipment

• CP553 Compactor

• CS551 Compactor

• G3306 Generator

• Various Caterpillar Industrial Equipment

Sullair

• 375 Air Compressor

Common Applications

• Marine Vessels

• Generator Sets

• Industrial Equipment

• Construction Equipment

• Air Compressors

Technical Specifications

AJ-ELECTRIC Part Number AJ2827

Voltage 12 Volt

Output 51 Amp

Regulator Internal

Fan External

Ground Negative

Condition New

Warranty

Covered by the standard AJ-ELECTRIC warranty against defects in materials and workmanship.

Need Help?

If you're unsure whether this alternator fits your application, contact AJ-ELECTRIC with your OEM part number, engine model, equipment model, or serial number and we'll help identify the correct replacement