Features: 1.According to original OEM specifications, part number for reference: 194?3072K?1. 2.Fit for 30 hp (Elect.Start 4 Stroke) 3 0T178500 thru 0T178499 2002?2005/30 hp (EFI 4 Stroke) 3 0T409000 thru 1B344298 2002?2005. 3.Function as converting alternating current (AC) to direct current (DC). 4.Effectively improve the problems such as weak acceleration, downshifting and so on. 5.It can protect the battery and automobile electrical circuit system and prolong its service life. Specification: Item Type: Rectifier Material: Aluminium Alloy + ABS OEM: 194-3072K-1 Size: Approx. 62 x 25mm/2.4 x 1in (Width x Thickness) Fitment: Fit for 25 hp (Elect.Start 4 Stroke) 2 0G760300 thru 1B344298 1999-2005 Fit for 30 hp (Elect.Start 4 Stroke) 3 0T178500 thru 0T178499 2002-2005 Fit for 30 hp (EFI 4 Stroke) 3 0T409000 thru 1B344298 2002-2005 Fit for 40 hp (Elect.Start 4 Stroke) 3 0T178500 thru 1B344298 2002-2005 Fit for 40 hp (Elect.Start 4 Stroke) 4 0T178500 thru 0T598999 2002-2005 Fit for 50 hp (Elect.Start 4 Stroke) 4 0T178500 thru 0T598999 2002-2005 Fit for 50 hp (EFI 4 Stroke) 4 0T409000 thru 1C050252 2005-2007 Fit for 60 hp (Elect.Start 4 Stroke) 4 0T178500 thru 0T598999 2002-2005 Fit for 60 hp (EFI 4 Stroke) 4 0T409000 thru 1C050252 2005-2007 Fit for 135 hp 6 0G960500 & Up 2000-2005 Fit for 140 Jet 6 0G960500 & Up 2000-2005 Fit for 150 hp (2 Stroke) 6 0G960500 thru 0T408999 2000-2005 Fit for 175 hp (2 Stroke) 6 0G960500 thru 0T408999 2000-2005 Fit for 200 hp (2 Stroke) 6 0G960500 thru 0T408999 2000-2005 Fit for 200 hp (EFI) 6 0G960500 thru 0T408999 2000-2005 Fit for 240 hp (Sport Jet) 6 0E373939 thru 0E406399 2000-2005 Wiring Instructions: The black wire is connected to the negative pole of the power supply The yellow wire and the red wire are connected to the positive pole of the power supply Grey wire is connected to the special function wire PackageList: 1 x Rectifier Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!