New old stock part.  Listing is for a single part.  If more than one is pictured it is just to show difference in packaging or condition.  See photos for detail and condition.

Description: Rectifier
OEM(s): Ford, Mazda, Volvo
Number of Diodes: 7
Diode Amps: 50
Stud Size: M8-1.25
Rectifier Polarity: Complete Assembly
Unit Polarity: Negative
Mounting: Rectifier OD
Mounting Distance: 4.606in / 117mm
Diode Style: Avalanche
Diode Type: Press Fit
Includes Brush Holder?: No
Includes Capacitor?: No
Includes Trio?: No
Application: Denso 120A Alternators
Weight: 0.48 lbs / 0.22 kg


References:
Regitar RN37