Staff Answer
Sep 27, 2026 - 06:25 PM
It looks like your serial number got cut off. For the N621, the 637779 kit fits serials below 9126825. Above that, you need the 628661 power board. Send us the full serial at info@rvfridgeguys.com and we'll confirm.
If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
