Collection: Circuit Boards, PCB, PCB Kits, Control Boards & Transformers

H-239563 Kohler PCB Assembly PCB227962-A PCB Relay with Lopcon Time Delay for 5EOZ Controller Circuit Board Replaces E-239563 11/13/2025 THIS PART IS IN STOCK 11/13/2025

Westerbeke 36563 Circuit Breaker 10A, 12 Volt 10/21/2025 THIS PART IS IN STOCK 10/21/2025

320-0505 Onan Circuit Breaker 3 Amp "THIS PART IS IN STOCK as of 1/15/2026"

315-0241 Onan Transformer For MCCK (Spec A-G) Control-O-Matic (Spec C Only) OBSOLETE 4/16/2026 THIS PART IS IN STOCK as of 4/16/2026

315-0344 Onan Transformer For MCCK Control-O-Matic Begin (Spec D) OBSOLETE 4/16/2026 THIS PART IS IN STOCK as of 4/16/2026

300-0747 Onan Circuit Board OBSOLETE 4/16/2026 THIS PART IS IN STOCK as of 4/16/2026

315-0386 Onan Transformer-Voltage Regulator For DJE Genset Spec AB-AG 4/16/2026 THIS PART IS IN STOCK as of 4/16/2026

300-0734 Onan RV Generator PCB Amplifier Assembly For MCCK (Spec A-G) 4/16/2026 THIS PART IS IN STOCK as of 4/16/2026