- Flapen Score
- 49 / 100Ranks 3,500 of 7,287 Automotive niches · on the category median49
- Market size
- $108K/yr40K searches / yr
- 90-day growth
- -0.4%search demand this quarter
- Competition
- 46%top-5 click share · 12 brands · 14 sellers
Flapen Score
Brake Chamber against its category
The dotted line is the Automotive average. Past it, Brake Chamber is stronger. Inside it, weaker.
Market
The Brake Chamber market on Amazon at a glance
Shoppers on Amazon United States searched for Brake Chamber 40K times last year and spent an estimated $108K. The top 5 brands take 91% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 2.6% of those searches ended in a purchase.
Shoppers searched for this 40K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.6% of those searches ended in a purchase. Searches in the last 90 days moved -0.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $108K a year.
- Searches, last 12 months
- 40K
- Growth, 90 days vs prior 90
- -0.4%
- Conversion, latest week
- 2.6%
- Market size, estimated
- $108Ka year
- Peak month
- April1.4× the quietest month
- Top search term
- brake chamber12K searches a year
02 · Price
A sale here is worth $105.94.
Listings sell for $105.94 on average, from $49.84 to $204.63. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $105.94 that is $0 to $11K a year per listing.
- Average price
- $105.94above the $15 to $100 sweet spot
- Price range
- $49.84–$204.63
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$11K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
94% of listings pay for placement with sponsored ads. 19% ship with Prime. On an average day, 6.1% of listings are out of stock. The average listing ranks #178 within Trailer Accessories. It carries 20 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 94%
- Prime listings
- 19%
- Out of stock, average day
- 6.1%
- Average rank
- #178in Trailer Accessories
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 20per listing
- Listings tracked
- 36
04 · Newcomers
0 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 8
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top Brake Chamber 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 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Torque 2 Pack of Type 30/30 Air Brake Chamber Sealed 2.5 Stroke Fully Threaded for semi Truck Trailer (Replaces Bendix 165255 K049898 NT3030STD120 802547 Haldex GC3030 GC3030P40 3030TS) (TR3030C)
- Price
- $105.45
- Rating
- 4.5/5
- Reviews
- 115
- Age
- 6y ago

Pair of Air Brake Chamber 30/30 Sealed 2.5 / 64 mm Stroke Fully Threaded for semi truck Replaces Bendix 165255 K049898 Haldex GC3030
- Price
- $93.87
- Rating
- 4.9/5
- Reviews
- 13
- Age
- 2y ago

telfair Pair of 3 Stroke 30/30 Air Brake Chambers with Type 3030 for Semi Trucks & Trailers (Fits Bendix NT3030ELS80 Haldex GC3030L)
- Price
- $110.71
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 1y ago

Torque Type 3030 3 Long Stroke Air Brake Chamber with Welded Clevis 2 Pack
- Price
- $130.56
- Rating
- 4.7/5
- Reviews
- 64
- Age
- 3y ago

telfair 2 Pack Sealed 30/30 Air Brake Chambers 2.5 Stroke Fully Threaded Compatible with Semi Trucks & Trailers (Fits Bendix 165255 K049898 Haldex GC3030 NT3030STD120 3030TS TR3030C)
- Price
- $108.74
- Rating
- 4.4/5
- Reviews
- 15
- Age
- 1y ago
Trending
estimated 90-day click momentum
GBK Pair of 2 Type 30/30 Long Stroke Air Brake Chamber T3030L 3 Extra Long Stroke 13 Fully Threaded Push Rod - Sealed Bottom Anti-Corrosion Design Replaces for Heavy Duty Truck & Trailer Axles
- Price
- $108.50
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago

AGORA TRUCK PARTS 2X Air Brake Chamber Service Type 20 Replaces Bendix K028225 800824 802990 801811 801812 Haldex SC20 125200101
- Price
- $49.84
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

Pair of 3030 Long Stroke (3030LS) Air Brake Chamber Replaces GC3030L 802541
- Price
- $121.89
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

PENSUN Pair of 2.5 Long Stroke 30/30 Air Brake Chambers Type 3030 for Semi Trucks & Trailers Replaces Bendix 165255 K049898 Haldex GC3030 3030TS
- Price
- $101.65
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 3mo ago

telfair Pair of 3 Stroke 30/30 Air Brake Chambers with Type 3030 for Semi Trucks & Trailers (Fits Bendix NT3030ELS80 Haldex GC3030L)
- Price
- $110.71
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 1y ago
Newest
by launch date
GBK Pair of 2 Type 30/30 Long Stroke Air Brake Chamber T3030L 3 Extra Long Stroke 13 Fully Threaded Push Rod - Sealed Bottom Anti-Corrosion Design Replaces for Heavy Duty Truck & Trailer Axles
- Price
- $108.50
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago

PENSUN Pair of 2.5 Long Stroke 30/30 Air Brake Chambers Type 3030 for Semi Trucks & Trailers Replaces Bendix 165255 K049898 Haldex GC3030 3030TS
- Price
- $101.65
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 3mo ago

AGORA TRUCK PARTS 2X Air Brake Chamber Service Type 20 Replaces Bendix K028225 800824 802990 801811 801812 Haldex SC20 125200101
- Price
- $49.84
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 4mo ago

MVP Truck Parts 2 Pcs 30/30 Air Brake Chamber with Welded Clevis Short Stroke 2.5 Sealed Type 3030 for semi Trucks Trailer Compatible with K129605 K067114 GC3030S4CW
- Price
- $114.70
- Rating
- 3.0/5
- Reviews
- 1
- Age
- 5mo ago

Pair of 3030 Long Stroke (3030LS) Air Brake Chamber Replaces GC3030L 802541
- Price
- $121.89
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 46% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 flat
Sellers
14
Est. top-5 brand share
91%
Top 20: 100%
Est. top-5 click share
46%
Top 20: 86%
Open market
6%
- Torque55%
- telfair15%
- Mytee Products8%
- AGORA TRUCK PARTS7%
- Flynsu6%
- GETOPAUTO3%
- Open — no brand owns it (6 brands, 6%)
Demand
Brake Chamber search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Brake Chamber search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- brake chamber12K/yr
- 3030 brake chamber8K/yr
- air brake chamber7K/yr
- 30/30 brake chamber7K/yr
- brake chamber 30/306K/yr
Reviews and returns
What reviews say buyers love and hate about Brake Chamber
We read the reviews and the return reasons for every product selling here.
“Was leaking”
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.
13 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 Brake Chamber 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









