Inline Fuel Filter
MaybeAn estimated 1.1% of orders come back. But shoppers spend an estimated $164K a year here, so Inline Fuel Filter is a Maybe.
- Flapen Score
- 61 / 100Top 8% of 7,287 Automotive niches · +12 vs the category median of 4961
- Market size
- $164K/yr153K searches / yr
- 90-day growth
- +19.6%search demand this quarter
- Competition
- 49%top-5 click share · 23 brands · 70 sellers
Flapen Score
Inline Fuel Filter against its category
The dotted line is the Automotive average. Past it, Inline Fuel Filter is stronger. Inside it, weaker.
Market
The Inline Fuel Filter market on Amazon at a glance
Shoppers on Amazon United States searched for Inline Fuel Filter 153K times last year and spent an estimated $164K. The top 5 brands take 59% of clicks. Demand peaks in Aug. Flapen scores it 61 out of 100, a Maybe.
01 · Demand
An estimated 7.2% of those searches ended in a purchase.
Shoppers searched for this 153K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.2% of those searches ended in a purchase. Searches in the last 90 days moved +19.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $164K a year.
- Searches, last 12 months
- 153K
- Growth, 90 days vs prior 90
- +19.6%
- Conversion, latest week
- 7.2%
- Market size, estimated
- $164Ka year
- Peak month
- August1.8× the quietest month
- Top search term
- inline fuel filter113K searches a year
02 · Price
A sale here is worth $14.95.
Listings sell for $14.95 on average, from $5.96 to $49.96. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 100 to 250 of them. At $14.95 that is $1K to $4K a year per listing.
- Average price
- $14.95under the $15 to $100 sweet spot
- Price range
- $5.96–$49.96
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $1K–$4K
- Returns
- 1.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.7% of listings are out of stock. The average listing ranks #100 within Filters. It carries 553 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 3.7%
- Average rank
- #100in Filters
- Average rating
- 4.51 starsAmazon United States average 4.42 stars
- Average reviews
- 553per listing
- Listings tracked
- 33
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 58 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 58 months
Products
Top Inline Fuel Filter products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
K&N 81-0300 Replacement Fuel Filter
- Price
- $9.21
- Rating
- 4.5/5
- Reviews
- 3,954
- Age
- 6y ago

CocoMocart 10 Pack 1/4 Inch Inline Fuel Filter for Kawasaki Briggs & Stratton Kohler Engines - Universal Replacement Gasoline Filters with Magnet 1/4 and 5/16 For John Deere
- Price
- $9.95
- Rating
- 4.4/5
- Reviews
- 2,127
- Age
- 9y ago

Snwoygr 10 PCS Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Third Generation Universal Replacement Fuel Filter for 1/4 IN and 5/16 IN
- Price
- $6.81
- Rating
- 4.4/5
- Reviews
- 612
- Age
- 1y ago

WIX Racing Filters Fuel Filter
- Price
- $6.28
- Rating
- 4.7/5
- Reviews
- 1,244
- Age
- 20y ago

WIX 33033 Universal In-Line Fuel Filter with 3/8 Clamp-On Inlet/Outlet Max Pressure 60-PSI
- Price
- $7.31
- Rating
- 4.8/5
- Reviews
- 1,477
- Age
- 20y ago
Trending
estimated 90-day click momentum
AM116304 Fuel Filter 25 050 22-S for John Deere Kohler 120-436 GY20709 For 1/4 and 5/16 Fuel Line Replaces 71-5960 120-436 GY20709 38666 149-2206-01 21541500 98021
- Price
- $6.22
- Rating
- 4.6/5
- Reviews
- 886
- Age
- 5y ago

TRHSIFF 10 PCS 1/4 Inch and 5/16 Inch Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Upgrade Universal Replacement Fuel Filter with 10 Clips
- Price
- $7.31
- Rating
- 4.4/5
- Reviews
- 96
- Age
- 8mo ago

FUEL FILTERS INDUSTRIAL HIGH PERFORMANCE UNIVERSAL INLINE GAS FUEL LINE 3/8 2 Pack
- Price
- $9.51
- Rating
- 4.5/5
- Reviews
- 225
- Age
- 2y ago

Quicksilver 879885Q Inline Fuel Filter for Mercury and Mariner Outboards
- Price
- $15.48
- Rating
- 4.8/5
- Reviews
- 2,113
- Age
- 15y ago

YAMAKATO 1/4 Inline Copper Fuel Filters for Dirt Mini Bike ATV Motorcycle UTV Snowmobile more with 1/4 fuel lines 2pcs with 2 clamps
- Price
- $6.95
- Rating
- 4.7/5
- Reviews
- 97
- Age
- 1y ago
Newest
by launch date
TRHSIFF 10 PCS 1/4 Inch and 5/16 Inch Gas Inline Fuel Filters with Magnet for Kawasaki Kohler John Deere Lawn Mower Small Engine Upgrade Universal Replacement Fuel Filter with 10 Clips
- Price
- $7.31
- Rating
- 4.4/5
- Reviews
- 96
- Age
- 8mo ago

EVIL ENERGY 3/8 Barb Billet Inline Fuel Filter 30 Micron Aluminum Black for Car EFI & Carb Fuel Systems Motorcycle and Boats
- Price
- $19.77
- Rating
- 4.5/5
- Reviews
- 107
- Age
- 1y ago

Inline Fuel Filter for Lawn Mower Small Engine Kohler John Deere Kawasaki - Gas Filter Replacement with High Flow Design (12-Pack)
- Price
- $8.33
- Rating
- 4.4/5
- Reviews
- 103
- Age
- 1y ago

Medoon 10 Micron Inline Fuel Filter with 6AN 8AN 10AN Adapter(6pcs) Barb 1/2 3/8 5/16 Fitting Adapter (6pcs) Bracket Clamp 50MM Universal 10 Micron Filter Element Replacement
- Price
- $35.38
- Rating
- 4.6/5
- Reviews
- 62
- Age
- 1y ago

YAMAKATO 1/4 Inline Copper Fuel Filters for Dirt Mini Bike ATV Motorcycle UTV Snowmobile more with 1/4 fuel lines 2pcs with 2 clamps
- Price
- $6.95
- Rating
- 4.7/5
- Reviews
- 97
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 49% of clicks. Leaders hold, but buyers still shop past them.
Brands
23 falling
Sellers
70
Est. top-5 brand share
59%
Top 20: 98%
Est. top-5 click share
49%
Top 20: 89%
Open market
34%
- Wix17%
- K&N13%
- CocoMocart13%
- Snwoygr9%
- Deflife7%
- Strongthium7%
Demand
Inline Fuel Filter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug · busiest ÷ quietest = 1.8×
Search terms
Top Inline Fuel Filter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- inline fuel filter113K/yr
- in line fuel filter25K/yr
- universal fuel filter10K/yr
- fuel line filter4K/yr
Reviews and returns
What reviews say buyers love and hate about Inline Fuel Filter
We read the reviews and the return reasons for every product selling here.
“Filter are junk”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Inline Fuel Filter questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









