C13, C15, and C18 Generator Set with EMCP 4.2/4.2B Electrical System ,Generator Set Wiring-560-9568-02,Control Panel and AVR Options-505-3198-08 (For Serial Numbers K271-UP 2S41-UP LXJ1-UP RWT1-UP LXK1-UP 2S31-UP 2W91-UP 2T81-UP 2S91-UP EHT1-UP EHL1-UP K261-UP K251-UP) (M0127533-04)