This alternator fits the following:

2006 HONDA CIVIC 1.8L

Replaces:

Honda 
31100RA010M2, 31100RNAA010M2

Mitsubishi 
 A002TC1391, 
 A002TC1391ZC, A2TC1391ZC

Voltage: 12 Volts
Amps: 80 Amps
Regulator Position: 4:30
Polarity: Negative
Output Stud Dimensions: M6-1.0
Reg. Location: Internal
Fan Location: Internal
Approximate Weight: 12.87 lbs / 5.85 kg

Notes:
Includes 7-Groove Pulley, 
 Side DE Mounting Ear 8.5mm ID Unthreaded,
 Bottom DE Mounting Ear 9.2mm ID Unthreaded, 
 Bottom SRE Mounting Ear M8-1.25 Threaded, 
 4-Blade Plug

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov