dometic toilet seal
Worth a lookShows searches that convert (12.9% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible12.9%search→purchase rate — share of searches ending in a sale
Growth
Great+89.8%90-day search growth — must beat 0% to launch
Review moat
Great415.18avg incumbent reviews — the moat a new listing must climb
Returns
Great1.9%return rate — above 6% kills the launch gate
Price range
Good$6.09–$32.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.27avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Market size
Okay$128K$128K/yr · 75K searches
Competition
Bad86%top-5 click share — a locked-up shelf
Competition
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
36
Top-5 brand share
87%
Open market
7%
- Tecreddy26%
- Dometic21%
- RNTKAB17%
- TeegRoow16%
- NZRAQK7%
- Rakiyada5%
- Open — no brand owns it (3 brands, 7%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tecreddy RV Toilet Seal Replacement for Dometic 300 310 320 Toilet Seal Gasket Kit - Replace Part #385311658 2-Pack
Tecreddy$17.684.5★656 rev
Dometic Genuine OEM Flush Ball Seal Kit 385311658 | for 300 and 400 Series Toilets
Dometic$32.214.7★1,378 rev
RV Toilet Seal Flush Ball Seal Gasket Replacement for Dometic 300/310/320 - Upgraded 385311658 - Toilet Seal Parts to Solve The Leakage Problem 2-Pack
RNTKAB$8.584.2★408 rev
RV Toilet Seal Replacement 2-Pack for Dometic 300/310/320 Toilets High-Grade Flush Ball Seal Gasket Kit 385311658 - Durable Rubber Easy Installation Fix Leakage & Odor for Camper/Travel Trailers
TeegRoow$9.854.4★222 rev
RV Toilet Seal Flush Ball Seal Gasket Replacement 385311658 for Dometic 300/310/320 High-Grade Rubber Toilet Seal Parts Solve The Leakage Problem 2-Pack
NZRAQK$8.614.4★744 rev
Newest
by launch date
Rakiyada RV Toilet Seal for Dometic 300/310/320/400/410/420 Upgraded Thicker Rubber Flush Ball Seal Gasket Replacement 385311658 Fix Leakage & Odor Easy Install Camper Toilet Seal 2-Pack
Rakiyada$14.7323 rev
RV Toilet Seal Kit Replacement for Dometic 300 310 320 RV Toilet Parts Includes 385311652 Base Seal & 385311658 Flush Ball Seal with Mounting Hardware RV Toilet Replacement Parts for Camper Trailer
TeegRoow$14.356 rev
2 Pack RV Toilet Seal for Dometic 300/310/320 Toilets Leak-Proof & Odor-Free Flush Ball Seal Gasket Replacement 385311658 with Durable Rubber Easy Install Toilet Seal Parts for Camper Trailer
CenJows$6.0965 rev
Rakiyada RV Toilet Seal Kit Compatible with Dometic 300 310 320 400 410 420 RV Toilet Parts Replacement for 385311658 Toilet Flush Seal and 385311652 Toilet Base Seal
Rakiyada$14.5459 rev
RV Toilet Seal Replacement 2-Pack for Dometic 300/310/320 Toilets High-Grade Flush Ball Seal Gasket Kit 385311658 - Durable Rubber Easy Installation Fix Leakage & Odor for Camper/Travel Trailers
TeegRoow$9.85222 rev
Trending
90-day click momentumRV Toilet Seal Kit Replacement for Dometic 300 310 320 RV Toilet Parts Includes 385311652 Base Seal & 385311658 Flush Ball Seal with Mounting Hardware RV Toilet Replacement Parts for Camper Trailer
TeegRoow$14.354.1★
Rakiyada RV Toilet Seal for Dometic 300/310/320/400/410/420 Upgraded Thicker Rubber Flush Ball Seal Gasket Replacement 385311658 Fix Leakage & Odor Easy Install Camper Toilet Seal 2-Pack
Rakiyada$14.734.1★
RV Toilet Seal Replacement 2-Pack for Dometic 300/310/320 Toilets High-Grade Flush Ball Seal Gasket Kit 385311658 - Durable Rubber Easy Installation Fix Leakage & Odor for Camper/Travel Trailers
TeegRoow$9.854.4★
Rakiyada RV Toilet Seal Kit Compatible with Dometic 300 310 320 400 410 420 RV Toilet Parts Replacement for 385311658 Toilet Flush Seal and 385311652 Toilet Base Seal
Rakiyada$14.544.7★
2 Pack RV Toilet Seal for Dometic 300/310/320 Toilets Leak-Proof & Odor-Free Flush Ball Seal Gasket Replacement 385311658 with Durable Rubber Easy Install Toilet Seal Parts for Camper Trailer
CenJows$6.094.1★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +89.8% search growth over the last 90 days.Peak months: May, Jun, Nov, Dec · busiest ÷ quietest = 2.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The fit was accurate”
“It was are pretty easy to put on & works great”
“Does NOT leak”
“Good product for a good price”
“match the quality of the original perfectly”
“As advertised”
“Works well”
“Overall, an easy and inexpensive repair that can save you from replacing the entire toilet”
“Easy peasy”
“Very durable”
What buyers complain about
“Leak”
“does not seal”
“letts water seep thru”
“The rubber feels thicker”
“Bad quality”
“Are these expensive”
“Didnt fit our Dometic 310 or”
“Doesn't Fit a Dometic 310”
“They don't last forever”
“Installation can be a bit of a pain due to the angles”