【Alternator Fitment】- Automotive new alternator replacement for Honda for Civic 2.0L 2016,for Honda for Civic 2.0L 2017,for Honda for Civic 2.0L 2018,for Honda for Civic 2.0L 2019,for Honda for Civic 2.0L 2020,for Honda for Civic 2.0L 2021,for Honda for Civic 2.0L 2022 【Alternators Specifications】- Voltage: 12V; Amperage: 135A; Rotation: CW(Clockwise); Regulator: IR ; Fan: IF; Grooves: SC7 Pulley Class; Condition: New, high output alternator is compact and lightweight, fully compatible with the electronic system of your vehicle 【Car Alternator Reference Number】- Direct OEM replacement for your malfunctioning part, OE number : 104211-3910 31100-5BA-A01,31100-5BA-A01RM,CSP91 【Easy Installation】- (1) Be sure to disconnect the negative electrode of the battery; (2) When replacing, pay attention to the appropriate tension of the transmission belt: if too loose, it may slip and cause insufficient power generation; If too tight, it can easily damage the belt and alternator bearings; (3) When replacing, pay attention to tightening all screws. If you have any problems during use, then get in touch with us, we will supply you with professional technical support 【Note】SCITOO Auto supply alternator for most cars, SUVs, trucks and trailers. Please select your vehicle (year/make/model/trim) in the top left corner of the page to confirm compatibility or refer to the vehicle information in the description