Diesel Fuel Cap
MaybeProducts sell for $18.25 on average, inside the sweet spot. But shoppers spend an estimated $53K a year here, so Diesel Fuel Cap is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 7,287 Automotive niches · +1 vs the category median of 4950
- Market size
- $53K/yr53K searches / yr
- 90-day growth
- -7.8%search demand this quarter
- Competition
- 52%top-5 click share · 19 brands · 35 sellers
Flapen Score
Diesel Fuel Cap against its category
The dotted line is the Automotive average. Past it, Diesel Fuel Cap is stronger. Inside it, weaker.
Market
The Diesel Fuel Cap market on Amazon at a glance
Shoppers on Amazon United States searched for Diesel Fuel Cap 53K times last year and spent an estimated $53K. The top 5 brands take 62% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 5.5% of those searches ended in a purchase.
Shoppers searched for this 53K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.5% of those searches ended in a purchase. Searches in the last 90 days moved -7.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $53K a year.
- Searches, last 12 months
- 53K
- Growth, 90 days vs prior 90
- -7.8%
- Conversion, latest week
- 5.5%
- Market size, estimated
- $53Ka year
- Peak month
- January1.2× the quietest month
- Top search term
- diesel fuel cap30K searches a year
02 · Price
A sale here is worth $18.25.
Listings sell for $18.25 on average, from $7.48 to $121.86. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $18.25 that is $2K to $5K a year per listing.
- Average price
- $18.25inside the $15 to $100 sweet spot
- Price range
- $7.48–$121.86
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,076 within Caps. It carries 369 reviews at 4.45 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #1,076in Caps
- Average rating
- 4.45 starsAmazon United States average 4.42 stars
- Average reviews
- 369per listing
- Listings tracked
- 29
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 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 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top Diesel Fuel Cap 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
Diesel Gas Cap Diesel Fuel Cap for Ford FC1068 8C3Z-9030-C Replacement for 2008-2017 Ford F250 F350 F450 F550 Super Duty 6.4L 6.7L 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
- Price
- $9.01
- Rating
- 4.1/5
- Reviews
- 70
- Age
- 1y ago

YUESHAN 2pcs Fuel Fill Cap 6661114 Compatible for Bobcat A770 730 742 743 751 753 763 773 7753 863 873 883 963 S510 S530 S630 S750 T110 T140 T180 T190 T200 T250 T300 T320 T630 T650 T750 T770 T870
- Price
- $11.19
- Rating
- 4.9/5
- Reviews
- 44
- Age
- 10mo ago

Gates 31835D Diesel Only Fuel Tank Cap
- Price
- $11.95
- Rating
- 4.8/5
- Reviews
- 428
- Age
- 13y ago

Diesel Mens C-Seymon Multicolor Denim Baseball Cap Distressed Cotton Hat with Logo Adjustable Strap
- Price
- $121.86
- Rating
- 4.2/5
- Reviews
- 12
- Age
- 1y ago

Diesel Fuel Cap for Ram and GM 3.0L Duramax-Updated Larger Magnetic Aluminum Tank Gas Cap fit 2013-2018 Ram 1500 2500 3500 2019-2024 GM Pick-up Truck Accessories Replacement Eco Tanks Magnetic Green
- Price
- $10.05
- Rating
- 4.6/5
- Reviews
- 2,831
- Age
- 1y ago
Trending
estimated 90-day click momentum
Diesel Mens C-Seymon Multicolor Denim Baseball Cap Distressed Cotton Hat with Logo Adjustable Strap
- Price
- $121.86
- Rating
- 4.2/5
- Reviews
- 12
- Age
- 1y ago

YUESHAN 2pcs Fuel Fill Cap 6661114 Compatible for Bobcat A770 730 742 743 751 753 763 773 7753 863 873 883 963 S510 S530 S630 S750 T110 T140 T180 T190 T200 T250 T300 T320 T630 T650 T750 T770 T870
- Price
- $11.19
- Rating
- 4.9/5
- Reviews
- 44
- Age
- 10mo ago

FALVFUN Car Diesel Gas Cap Vehicle Diesel Fuel Tank Cap with Anti-Lost Rope OEM#8C3Z-9030-C Automotive Replacement Accessories Compatible with F250 F350 F450 F550 Super Duty
- Price
- $7.48
- Rating
- 2.8/5
- Reviews
- 25
- Age
- 9mo ago

Transfer Tank Cap Vented Diesel Fuel Cap Gas Venting Pressure Tank Lid for 2 Inch Base Diesel Fuel Fill Lid for Auxiliary/Storage Truck Tool Box
- Price
- $16.70
- Rating
- 4.7/5
- Reviews
- 237
- Age
- 2y ago

TINWID1919 Diesel Fuel Cap 2 1/4 for International Ford GMC Truck
- Price
- $23.32
- Rating
- 4.6/5
- Reviews
- 156
- Age
- 2y ago
Newest
by launch date
FALVFUN Car Diesel Gas Cap Vehicle Diesel Fuel Tank Cap with Anti-Lost Rope OEM#8C3Z-9030-C Automotive Replacement Accessories Compatible with F250 F350 F450 F550 Super Duty
- Price
- $7.48
- Rating
- 2.8/5
- Reviews
- 25
- Age
- 9mo ago

YUESHAN 2pcs Fuel Fill Cap 6661114 Compatible for Bobcat A770 730 742 743 751 753 763 773 7753 863 873 883 963 S510 S530 S630 S750 T110 T140 T180 T190 T200 T250 T300 T320 T630 T650 T750 T770 T870
- Price
- $11.19
- Rating
- 4.9/5
- Reviews
- 44
- Age
- 10mo ago

Diesel Gas Cap Diesel Fuel Cap For Ford Chevy Toyota Dodge Jeep GMC Buick Cadillac Lincoln Mercury Oldsmobile Pontiac Volvo F250 F350 F450 F550 E450 E550 Silverado 2500 3500 Express Suburban 10830D
- Price
- $9.66
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 1y ago

Diesel Gas Cap Diesel Fuel Cap for 2007-2021 Dodge Ram 2500 3500 4500 5500 2014-2016 Ram ProMaster 1500 2500 3500 Jeep 2007-2014 Grand Cherokee 2018-2022 Wrangler 2005-2006 Liberty 52013994AB
- Price
- $9.75
- Rating
- 4.3/5
- Reviews
- 28
- Age
- 1y ago

10830D Diesel Fuel Cap For Chevy Dodge Ford GMC Buick Cadillac Jeep Lincoln Mercury Oldsmobile Pontiac Volvo Toyota - Silverado 2500 3500 Express Suburban F250 F350 F450 F550 E450 E550 Savana Sierra
- Price
- $10.10
- Rating
- 4.5/5
- Reviews
- 26
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 52% of clicks. Leaders hold, but buyers still shop past them.
Brands
19 falling
Sellers
35
Est. top-5 brand share
62%
Top 20: 100%
Est. top-5 click share
52%
Top 20: 91%
Open market
33%
- Manymiba21%
- YUESHAN15%
- JOJOY LUX9%
- Gates9%
- Diesel8%
- TINWID19195%
Demand
Diesel Fuel Cap search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Diesel Fuel Cap search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- diesel fuel cap30K/yr
- diesel cap12K/yr
- diesel tank cap5K/yr
- diesel gas cap6K/yr
Reviews and returns
What reviews say buyers love and hate about Diesel Fuel Cap
We read the reviews and the return reasons for every product selling here.
“May not fit regardless of compatibility”
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.
20 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 Diesel Fuel Cap 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









