Staff Answer
Sep 28, 2026 - 07:40 AM
The 637779 fits N621s (including the N621L) with serials below 9126825. It's discontinued now, though. For serials above that, the 628661 power board is the power board. Send us your serial number 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.
