⚠️ NEW AFTERMARKET 12V 80A 27SI TYPE ALTERNATOR, EXTERNAL FAN, INTERNAL REGULATOR:
• 12 volt, 80 amp, 27SI type, J180 hinge mount, external fan, internal regulator
• Regulator clock 12:30, negative ground, #12-24 B+ stud, R terminal pin
• Without voltage adjustment cube, about 18.455 lb (8.39 kg)
• 27SI 100 amp and 22SI 150 amp units share the J180 mount: check the amp rating on your old alternator
AUTOCAR TRUCKS, CUMMINS:
• Autocar truck Cummins PT-270 1973-1979
• Autocar truck Cummins PT-300 1975-1979
• Autocar truck Cummins Super 250 1973-1974
AUTOCAR TRUCKS, DETROIT DIESEL:
• Autocar truck Detroit Diesel 12V-71N 1973-1979
• Autocar truck Detroit Diesel 6V-71 1973-1979
• Autocar truck Detroit Diesel 6V-92 1976-1979
• Autocar truck Detroit Diesel 8V-71 1973-1979
• Autocar truck Detroit Diesel 8V-92 1975
CHEVROLET / GMC MEDIUM AND HEAVY DUTY TRUCKS (BY DIESEL ENGINE):
• Chevrolet / GMC truck Caterpillar 3208 1979-1993
• Chevrolet / GMC truck Cummins NTC-290 1979-1983
• Chevrolet / GMC truck Cummins VT-225 1981-1982
• Chevrolet / GMC truck Detroit Diesel 4-53T 1983
• Chevrolet / GMC truck Detroit Diesel 6V-71 (N, NE, T) 1971-1984
• Chevrolet / GMC truck Detroit Diesel 8.2L (N, T) 1979-1993
• Chevrolet / GMC truck Detroit Diesel 8V-71 (N, NE, T) 1971-1978
• Chevrolet / GMC truck Deutz BF6L913 diesel 1984-1985
• Chevrolet / GMC truck Isuzu 3.9L 4BD1 1988-1990
• Chevrolet / GMC truck John Deere 5.9L 1987-1988
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