Generators & power systems

Match exact controller firmware version and harness pinout counts (e.g. 46-pin vs 36-pin Generac modules). Current live catalog in this collection: 2,107 verified parts.

This collection spans Main Logic Boards, Engine Control Modules, Digital Voltage Regulators. It sits inside Generators & power equipment — start here, then narrow with the filters below. Common searches: DEC3+ logic board, standby generator controller, automatic transfer switch.

Yes. We catalog genuine manufacturer parts and Tier-1 certified direct replacements that meet or exceed factory operating tolerances.

Central control units, engine control modules, and main logic assemblies for commercial and residential generators. Confirm voltage, dimensions, and revision against your existing component before checkout — MPN match is the guarantee.

Most in-stock components dispatch same or next business day via regional freight or express parcel, averaging 2 to 4 business days. Free freight over $300.

Full span in this collection: Main Logic Boards, Engine Control Modules, Digital Voltage Regulators, Transfer Switch Relays. Each subcategory page filter narrows the catalog below to that grouping, and every card links to a product page with the exact MPN, photos, and fitment notes.

When the manufacturer replaces a number, the product page states which legacy numbers the replacement covers — that line is the authority at checkout. Match your old number to it character-for-character, including trailing revision letters, before ordering.

Unused parts in original packaging can be returned by mail within 30 days — return shipping is free. Control boards that have been powered on cannot be returned as new, so verify the MPN and connectors against your photos first.

Yes — the guides linked below this catalog cover data-plate locations, MPN matching, and install checks for Generators & power equipment equipment. Read the guide for your family first, then search the exact part number above.