This is a Brand New Aftermarket Alternator Fits Mazda Miata 1 8l 1999 2000 BP4W 18 300B BP4W 18 300C LR170 758
Models:
Mazda Car & Lt Trk
1999 Miata 1.8L, All
2000 Miata 1.8L, All
Replaces:
AC Delco
334-1336
Denso First Time Fit
210-3155
Hitachi
LR170-758
Lucas Electrical Europe
LRA01143
Mazda
BP4W-18-300B, BP4W-18-300C
OEM(s):Bosch, Hitachi, Mazda
Voltage:12 Volts
Amps:70 Amps
Regulator Position:3:00
Polarity:Negative
Output Stud Dimensions:M8-1.25
Reg. Location:External
Fan Location:Internal
Approximate Weight:12.28 lbs / 5.58 kg
Notes:
Includes 4-Groove Pulley,
Top DE Mounting Ear 8.6mm ID Unthreaded,
Bottom DE Mounting Ear M19-1.25 Threaded,
Bottom SRE Mounting Ear 10.3mm ID Unthreaded,
Plug Code “P, D”
Why Choose This Brand New Aftermarket Alternator?
Unlike remanufactured units that may carry hidden wear from previous use, this is a brand new alternator built to meet or exceed original equipment standards. It eliminates common Miata alternator failure symptoms such as inconsistent charging, whining noises, or complete loss of electrical power while driving. Mazda Miata owners frequently report alternator issues around 100,000–150,000 miles, especially in NB models where heat, belt tension, and age take their toll. Replacing it proactively prevents being stranded and protects sensitive electronics like the ECU, ignition system, and aftermarket accessories.
Alternator Fits Mazda Miata 1 8l 1999 2000 BP4W 18 300B BP4W 18 300C LR170 758


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