Briggs and Stratton Voltage rectifier regulator.
 
Suits Briggs part no:
 394890,845907,491546,691188,794360,793360,256400,28B700,28M700,351400

FEATURES:
Direct replacement to your original unit.
Plug-and-play, direct fit, easy installation.
No assembly required.
Higher grade of electric components.
Improved heat sink and charging capabilities.
The quality exceeds or meet the OEM equipment.

Dimensions:
Length: 45mm
Width: 54mm 
Height:  22mm 

Other Specifications:
Number of plug interface pins: 3
Number of Plugs: 2
Number of Wires: 3

PART NUMBER(S):
394890,845907,
491546,691188,
794360,793360,
256400,28B700,
28M700,351400,
351700