I do have some options for you to replace the Dometic 56-2281-10/03 but I was not able to find any specs for this. That said, if you simply measure the unit and compare this to the sizes we offer below via the link, you should be able to get a pretty close match to your original microwave. The Greystone Standard RV Microwave part # 324-000105 for example could be a suitable replacement measuring 19" wide x 13-1/2" tall x 14-1/4" deep without the trim kit and 23-3/8" wide x 15" tall with... view full answer...
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