Staff Answer
Sep 28, 2026 - 06:32 AM
It looks like your serial number got cut off. The 637779 kit fits N621 and N821 models with serials below 9126825. Above that, you need the 628661 power board. Send us your model and 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.
