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GU29703800  GU17703800 . BMW numbers 12321350052 and 12321244409.  Fits V50, V50 II. V50 III, Monza, V65C, V65SP, V65TT, Lario, V7 Sport, 750S, S3, 850T, T3, T4, T5, Convert, G5, 1000SP, SP II, SP III, California II, 850 LeMans, LeMans II, CX100, LeMans III, LeMans 1000 all years LeMans IV and LeMans V. This regulator can be substituted for original part numbers 17703800 and 14703805.

Solid state voltage regulator for Boschalternator systems as used by Guzzi from 1972-1992. Direct plug andplay, accepts existing 3 prong plug and mounting points. Regulatescharge voltage to correct charge rate. Also suitable for BMW "Airhead" R series Bosch charging systems. BMW numbers 12321350052 and 12321244409.

Also fitting Benelli 900 SEI. 

GU29703800  GU17703800 . BMW numbers 12321350052 and 12321244409.  Fits V50, V50 II. V50 III, Monza, V65C, V65SP, V65TT, Lario, V7 Sport, 750S, S3, 850T, T3, T4, T5, Convert, G5, 1000SP, SP II, SP III, California II, 850 LeMans, LeMans II, CX100, LeMans III, LeMans 1000 all years LeMans IV and LeMans V. This regulator can be substituted for original part numbers 17703800 and 14703805. Solid state voltage regulator for Boschalternator systems as used by Guzzi from 1972-1992. Direct plug andplay, accepts existing 3 prong plug and mounting points. Regulatescharge voltage to correct charge rate. Also suitable for BMW "Airhead" R series Bosch charging systems. BMW numbers 12321350052 and 12321244409.Also fitting Benelli 900 SEI. 

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