Elkhart RV Parts · Parts finder

Dometic 310 Series RV Toilet Replacement Parts

Identify your Dometic 310 Series RV Toilet before choosing a replacement component. Match the complete label and the original part; a similar appearance or shared brand is not enough to establish fit.

Identify your model · Find your component · Before you order

Start with the right identification

  1. Read the toilet label. Confirm the complete Dometic 310 model and any product or serial number. A model from another series is not confirmed by this guide.
  2. Find the component. Use the reference diagram and part number, then compare the existing assembly.
  3. Check the configuration. Confirm white or bone finish where applicable, the seat and mounting hardware, and whether the assembly has a hand sprayer.
  4. Match the exact number. A listed alternative or older service number needs confirmation against the exact toilet before substitution.

Current replacement listings

Compare current product images, prices and availability. Parts listed together do not necessarily fit every model in this family; use the model links and reference notes to confirm your match.

21 replacement listings

Find the replacement component

Product links open the current listing for price, availability and kit contents. A reference entry without a link is not a statement about current stock. Match the exact part before ordering.

Dometic 310 Series RV Toilet parts reference
Diagram ref. Part number Reference description Reference qty. Current listing
3001 385312075 TOILET SEAT-WHITE-SLOW CLOSE-WOOD USE 385312073 1 View part 385312075
3001 385312076 TOILET SEAT-BONE-SLOW CLOSE-WOOD USE 385312074 1 View part 385312076
NS 385312073 SLOW CLOSE WOOD TOILET SEAT-WHITE-2PK 1 Reference only
NS 385312074 SLOW CLOSE WOOD TOILET SEAT-BONE-2PK 1 Reference only
3002 385311861 SEAT/COVER MOUNTING HARDWARE 1 View part 385311861
3004 385312110 VACUUM BREAKER COVER-WHITE 1 View part 385312110
3004 385312111 VACUUM BREAKER COVER-BONE 1 View part 385312111
3005 385311658 KIT, FLUSH BALL SEAL 1 View part 385311658
3007 385311641 KIT, WATER VALVE 1 View part 385311641
3008 385311654 KIT, MOUNTING HARDWARE CAP - WHITE 1 View part 385311654
3008 385311655 KIT, MOUNTING HARDWARE CAP - BONE 1 View part 385311655
3009 385311164 KIT, SEALING GROMMET 1/2IN 1 View part 385311164
3011 385311652 KIT, MOUNTING HARDWARE - WHITE 1 View part 385311652
3011 385311653 KIT, MOUNTING HARDWARE - BONE 1 View part 385311653
3012 385311656 KIT, PEDAL COVER - WHITE 1 View part 385311656
3012 385311657 KIT, PEDAL COVER - BONE 1 View part 385311657
3013 385311124 KIT, HAND SPRAY-WHITE 1 View part 385311124
3014 385230335 VACUUM BREAKER (USED WITH HAND-SPRAY) 1 View part 385230335
3015 385319054 VACUUM BREAKER WITH SPRAY KIT 1 View part 385319054
3025 385311937 WATER SUPPLY HOSE - WHITE 1 View part 385311937
NS 385311719 MOUNTING ADAPTER KIT-WHITE 1 View part 385311719
NS 385311720 MOUNTING ADAPTER KIT-BONE 1 View part 385311720
NS 385311718 WATER LINE EXTENSION KIT 1 Reference only
3006 385316906 KIT, VACUUM BREAKER - WITHOUT SPRAY 1 View part 385316906
NS Foot Pedal FOOT PEDAL , NOT REPLACABLE 1 Reference only
View the reference parts diagram
Dometic 310 Series RV Toilet Exploded Parts Diagram
Reference diagram retained from this guide. Confirm the exact model, product number and any serial-number break before using a callout. Open the image to inspect the detail.

Compare other models in RV toilets and toilet parts.

Before you order

Does the family name guarantee fit?

No. Match the full model and original part number, then check configuration, dimensions and connections where relevant. Do not substitute a similar-looking component without confirmation.

Where do I find current prices and availability?

Open the linked product. This guide deliberately omits fixed prices and stock promises so a saved price or old stock count cannot mislead you.

What if the old number or diagram does not match?

Keep a clear photograph of the model label and the original component. Use the site’s help channel with those details before ordering; do not choose by RV make or model year alone.