Staff Answer
Sep 27, 2026 - 11:44 AM
The N305.3 has been discontinued. For a Dometic RM4290 space, measure your cutout (height, width, depth) and compare it with the Norcold N4150 (about 49-3/16" H x 20-3/4" W x 22-11/16" D) or the smaller Norcold DC105. Email us your measurements and we'll help you pick.
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.
