rv toilet seal
Worth a lookShows demand growing +84.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Great+84.4%90-day search growth — must beat 0% to launch
Returns
Great1.5%return rate — above 6% kills the launch gate
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Review moat
Good544.44avg incumbent reviews — the moat a new listing must climb
Brand share
Good68%top-5 brand share — brands hold most of the demand
Price range
Good$3.99–$32.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good$12.39avg listing price — sweet spot $15–$100
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Market size
Okay$137K$137K/yr · 122K searches
Competition
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
59
Top-5 brand share
68%
Open market
26%
- TeegRoow27%
- NZRAQK21%
- Tecreddy7%
- Thetford7%
- Rakiyada6%
- RNTKAB6%
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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
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
RV Toilet Seal Lube and Conditioner - Toilet Seal Lubricant - 24 oz - Thetford 36663
Thetford$12.514.6★4,742 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
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
LousHard RV Toilet Seal Kit Replacement for Dometic 300 310 320 Toilets Includes Flush Ball Seal 385311658 & Base Gasket 385311652 with Mounting Hardware Fits Camper Motorhome and RV Toilets
LousHard$12.394 rev
RV Toilet Seal Replacement 2-Pack for Dometic 300/310/320 Toilets High-Grade Flush Ball Seal Gasket 385311658 Premium Rubber Toilet Parts to Fix Leakage & Odor for Camper Motorhome Travel Trailer
LousHard$6.924 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
RV Toilet Seal Replacement for Dometic 300/310/320 Toilets Flush Ball Seal Gasket Kit 385311658 Toilet Seal Parts for Camper/Travel Trailers-Durable Rubber Easy Install Fix Leaks & Odors 2-Pack
LFCYORQ$6.8236 rev
Trending
90-day click momentumRakiyada 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★
LousHard RV Toilet Seal Kit Replacement for Dometic 300 310 320 Toilets Includes Flush Ball Seal 385311658 & Base Gasket 385311652 with Mounting Hardware Fits Camper Motorhome and RV Toilets
LousHard$12.393.7★
RV Toilet Seal Replacement 2-Pack for Dometic 300/310/320 Toilets High-Grade Flush Ball Seal Gasket 385311658 Premium Rubber Toilet Parts to Fix Leakage & Odor for Camper Motorhome Travel Trailer
LousHard$6.925.0★
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$14.354.1★
RV Toilet Seal Replacement for Dometic 300/310/320 Toilets Flush Ball Seal Gasket Kit 385311658 Toilet Seal Parts for Camper/Travel Trailers-Durable Rubber Easy Install Fix Leaks & Odors 2-Pack
LFCYORQ$6.824.3★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +84.4% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 2.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit like a glove”
“It was are pretty easy to put on & works great”
“Excellent product”
“Good value”
“Does NOT leak”
“As advertised”
“Worked great for my toilet”
“Easy peasy”
“Overall, an easy and inexpensive repair that can save you from replacing the entire toilet”
“No more stinky smells”
What buyers complain about
“Leak”
“does not seal”
“water wouldnt stay in it”
“The seal is of a lesser quality than the OEM Seal”
“The rubber feels thicker”
“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”