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12 31 1 739 3

Internal Voltage Regulator - BMW R Oilhead & K; 12 31 1 739 365 / Bosch

Brush Sets

Application: Fits ALL R850 , R1100 1993-2007 & K w/ internal fan alternator 1984 to 2007
Make/Model: BMW : R850, R1100, R1150, R1200, K75, K1100
Technical Specification: Bosch IR/IF Alternators with 14 mm slip ring, 12 Volt A-Circuit, 14.5 Volt Setting, hermetically sealed circuit board, 50 and 60 amps
Please check if this part fits your motorcycle in the Application Guide below.

Internal Voltage Regulator for BOSCH internal fan alternators use on R oilheads and later K Models Drops into the top of the rear of the alternator. Comes complete with new carbon brushes and tension springs installed. This voltage regulator features a slightly higher voltage setting than the original to benefit and overcome the higher resistance of older vehicle wiring harnesses due to age and corrosion, and will also beneficial when using an AGM battery that all do require higher charging voltage.

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