Feature: 1. Part Number: Manufactured according to strict original specifications, voltage regulator rectifier reference part number is 278000123. 2. Applicable Model: Replacement for Sea‑Doo GT 1990‑1991; Replacement for Sea‑Doo 1996‑1997; Replacement for Sea‑Doo GTS 1992‑2000; Replacement for Sea‑Doo GTX 1992‑1995 and more. 3. Main Function: The rectifier converts alternating current into direct current, which is filtered to supply power to the load or inverter. 4. Battery Protection: The rectifier provides charging voltage to the battery, which can protect the battery and the vehicle circuit system and reduce the load. 5. High Performance: Make the spark plug burn more fully, the stator load is smaller, the engine power is larger, and the fuel economy is improved, and the cold start ability is improved. Specification: Item Type: Regulator Rectifier Material: Aluminum Part Number: 278000123 Fitment: Replacement for Sea-Doo GT 1990-1991 Replacement for Sea-Doo 1996-1997 Replacement for Sea-Doo GTS 1992-2000 Replacement for Sea-Doo GTX 1992-1995 Replacement for Sea-Doo HX 1995 1996 Replacement for Sea-Doo SP 1990-1997 Replacement for Sea-Doo SPX 1993-1997 Replacement for Sea-Doo XP 1991-1995 Replacement for Sea-Doo XPI 1994Problems with the rectifier may occur in the following situations: 1. When you find that the battery is always in a short term storage state, it may be that the voltage regulator is damaged. 2. When you find that the vehicle engine is shaking, it may be that the regulator is damaged. 3. When you find that the lights in the lighting system are weak and the electric start system is out of track, it may be that the regulator is damaged. 4. If there is noise when starting, it may be that the regulator is damaged. . Package List: 1 x Regulator Rectifier Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!