Interior and Accessories› Seats and Components
Dometic USA
KIT 310 WD SEAT/CVR-BONE
SKU: D018 385311950
Beginner — under 30 min
Description
This replacement seat assembly is compatible with Dometic 310 and 311 Series RV toilets. Key specifications include a round shape, 5-1/2" bolt hole spacing, an 11" x 8-1/4" seat hole ID, and an overall seat OD of 14-3/8" x 15-7/16".
Fitment
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Specifications
| Brand | Dometic USA |
| Part Number | D018 385311950 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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