Valve Stem Caps
MaybeAn estimated 0.7% of orders come back. But prices span $3.32–$10.12, mostly outside the sweet spot, so Valve Stem Caps is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 7,287 Automotive niches · +1 vs the category median of 4950
- Market size
- $1.7M/yr4.0M searches / yr
- 90-day growth
- -2.9%search demand this quarter
- Competition
- 64%top-5 click share · 14 brands · 16 sellers
Flapen Score
Valve Stem Caps against its category
The dotted line is the Automotive average. Past it, Valve Stem Caps is stronger. Inside it, weaker.
Market
The Valve Stem Caps market on Amazon at a glance
Shoppers on Amazon United States searched for Valve Stem Caps 4.0M times last year and spent an estimated $1.7M. The top 5 brands take 75% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 7.6% of those searches ended in a purchase.
Shoppers searched for this 4.0M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.6% of those searches ended in a purchase. Searches in the last 90 days moved -2.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.7M a year.
- Searches, last 12 months
- 4.0M
- Growth, 90 days vs prior 90
- -2.9%
- Conversion, latest week
- 7.6%
- Market size, estimated
- $1.7Ma year
- Peak month
- October1.2× the quietest month
- Top search term
- valve stem caps1.1M searches a year
02 · Price
A sale here is worth $5.69.
Listings sell for $5.69 on average, from $3.32 to $10.12. Amazon reports units sold in ranges. This niche sold 300K to 400K a year. The average listing sells 15,000 to 20,000 of them. At $5.69 that is $85K to $114K a year per listing.
- Average price
- $5.69under the $15 to $100 sweet spot
- Price range
- $3.32–$10.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 300K–400K
- Units per listing a year
- 15,000–20,000
- Revenue per listing a year
- $85K–$114K
- Returns
- 0.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% 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 #15 within Tires & Wheels. It carries 8,705 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #15in Tires & Wheels
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 8,705per listing
- Listings tracked
- 17
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 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 35 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 35 months
Products
Top Valve Stem Caps 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 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
CKAuto Tire Valve Stem Caps Black 4 pcs/Pack Anodized Aluminum Tire Valve Cap Set Corrosion Resistant Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes
- Price
- $5.99
- Rating
- 4.7/5
- Reviews
- 35,360
- Age
- 9y ago

Tire Valve Stem Caps The Upgraded Version has a Sealing Ring for Car Motorbike Trucks Bike Bicycle Black (24)
- Price
- $3.81
- Rating
- 4.8/5
- Reviews
- 1,762
- Age
- 2y ago

Tire Valve Stem Cap Cover - (5 Pack) Tire Air Cap Metal with Plastic Liner Corrosion Resistant Leak-Proof American Flag for Car Truck Motorcycle Bike Black
- Price
- $6.71
- Rating
- 4.7/5
- Reviews
- 20,536
- Age
- 4y ago

CKAuto 50 Pack Tire Valve Caps Plastic Valve Stem Caps with O Rubber Seal Universal Stem Covers for Cars SUVs Bike and Bicycle Trucks Motorcycles Airtight Seal Dust Proof Black 5 Dollar Item
- Price
- $5.95
- Rating
- 4.8/5
- Reviews
- 3,977
- Age
- 5y ago

Outus 20 Pcs Tire Valve Stem Caps Car Tire Caps Plastic Universal Valve Stem Covers for Bike Bicycle Cars SUV Trucks Motorcycles (Black)
- Price
- $3.78
- Rating
- 4.7/5
- Reviews
- 9,108
- Age
- 9y ago
Trending
estimated 90-day click momentum
20 Pcs Glow in The Dark Tire Valve Caps Fluorescent Tire Valve Stem Caps Cool Car Present for Universal Decoration Accessories for Car SUV Bicycle Motorcycles Trucks (Blue)
- Price
- $7.16
- Rating
- 2.7/5
- Reviews
- 961
- Age
- 8mo ago

CKAuto Tire Valve Stem Caps Red 4 pcs/Pack Anodized Aluminum Tire Valve Cap Set Corrosion Resistant Universal Stem Covers for Cars Trucks Motorcycles SUVs and Bikes
- Price
- $6.87
- Rating
- 4.7/5
- Reviews
- 35,360
- Age
- 9y ago

Tire Valve Stem Caps - (4 Pack) Premium Metal Air Caps with Plastic Liner Durable Corrosion Resistant and Leak-Proof Universal Fit for Cars Trucks Motorcycles and Bikes - Black
- Price
- $6.15
- Rating
- 4.8/5
- Reviews
- 518
- Age
- 1y ago

4-Piece Black Anodized Aluminum-Plastic Composite Tire Valve Stem Caps with Integrated Plastic Sleeve Corrosion-Resistant and Universal Fit Suitable for Cars Trucks and Motorcycles(Black)
- Price
- $3.67
- Rating
- 4.7/5
- Reviews
- 689
- Age
- 2y ago

CKAuto 50 Pack Tire Valve Caps Plastic Valve Stem Caps with O Rubber Seal Universal Stem Covers for Cars SUVs Bike and Bicycle Trucks Motorcycles Airtight Seal Dust Proof Black 5 Dollar Item
- Price
- $5.95
- Rating
- 4.8/5
- Reviews
- 3,977
- Age
- 5y ago
Newest
by launch date
20 Pcs Glow in The Dark Tire Valve Caps Fluorescent Tire Valve Stem Caps Cool Car Present for Universal Decoration Accessories for Car SUV Bicycle Motorcycles Trucks (Blue)
- Price
- $7.16
- Rating
- 2.7/5
- Reviews
- 961
- Age
- 8mo ago

Prank Glow in The Dark Valve Stem Caps Prank Glow in The Dark Car Tire Caps Little Buddy Valve Cap Glowing Tire Valve Cap Luminous Tire Valve Stem 4 Pack (Glow in The Dark Pink)
- Price
- $10.12
- Rating
- 4.5/5
- Reviews
- 201
- Age
- 1y ago

Tire Valve Stem Caps - (4 Pack) Premium Metal Air Caps with Plastic Liner Durable Corrosion Resistant and Leak-Proof Universal Fit for Cars Trucks Motorcycles and Bikes - Black
- Price
- $6.15
- Rating
- 4.8/5
- Reviews
- 518
- Age
- 1y ago

Tire Valve Stem Caps The Upgraded Version has a Sealing Ring for Car Motorbike Trucks Bike Bicycle Black (24)
- Price
- $3.81
- Rating
- 4.8/5
- Reviews
- 1,762
- Age
- 2y ago

4-Piece Black Anodized Aluminum-Plastic Composite Tire Valve Stem Caps with Integrated Plastic Sleeve Corrosion-Resistant and Universal Fit Suitable for Cars Trucks and Motorcycles(Black)
- Price
- $3.67
- Rating
- 4.7/5
- Reviews
- 689
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 falling
Sellers
16
Est. top-5 brand share
75%
Top 20: 100%
Est. top-5 click share
64%
Top 20: 100%
Open market
20%
- CKAuto37%
- DENSET16%
- SAMIKIVA8%
- DECURCAR7%
- Outus7%
- JUSTTOP5%
Demand
Valve Stem Caps search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Valve Stem Caps search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- valve stem caps1.1M/yr
- tire caps656K/yr
- tire valve stem caps422K/yr
- tire valve caps633K/yr
- tire caps 4 pack183K/yr
- tire air cap117K/yr
- tire stem caps98K/yr
- car tire caps109K/yr
- tapones para llantas de carro110K/yr
- valve caps76K/yr
Reviews and returns
What reviews say buyers love and hate about Valve Stem Caps
We read the reviews and the return reasons for every product selling here.
“wrong color”
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.
15 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 Valve Stem Caps 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









