This high-quality diaphragm can be used as a replacement on M pumps by Dometic/Sealand. Made of high quality materials, this product will create your vacuum back in no time. Older part number 600342419.
Dometic 385311822 M-Series pump diaphragm
This high-quality diaphragm can be used as a replacement on M pumps by Dometic/Sealand.