Copper Nickel Brake Line 3/16
MaybeBuyers convert on 13.6% of searches. But the top 5 products take 83% of clicks, so Copper Nickel Brake Line 3/16 is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 7,287 Automotive niches · +1 vs the category median of 4950
- Market size
- $64K/yr20K searches / yr
- 90-day growth
- +35.8%search demand this quarter
- Competition
- 83%top-5 click share · 8 brands · 10 sellers
Flapen Score
Copper Nickel Brake Line 3/16 against its category
The dotted line is the Automotive average. Past it, Copper Nickel Brake Line 3/16 is stronger. Inside it, weaker.
Market
The Copper Nickel Brake Line 3/16 market on Amazon at a glance
Shoppers on Amazon United States searched for Copper Nickel Brake Line 3/16 20K times last year and spent an estimated $64K. The top 5 brands take 92% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 13.6% of those searches ended in a purchase.
Shoppers searched for this 20K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.6% of those searches ended in a purchase. Searches in the last 90 days moved +35.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $64K a year.
- Searches, last 12 months
- 20K
- Growth, 90 days vs prior 90
- +35.8%
- Conversion, latest week
- 13.6%
- Market size, estimated
- $64Ka year
- Peak month
- September1.5× the quietest month
- Top search term
- nicopp brake line 3/165K searches a year
02 · Price
A sale here is worth $23.81.
Listings sell for $23.81 on average, from $13.85 to $55.64. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 250 to 500 of them. At $23.81 that is $6K to $12K a year per listing.
- Average price
- $23.81inside the $15 to $100 sweet spot
- Price range
- $13.85–$55.64
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $6K–$12K
- Returns
- 1.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
90% 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 #67 within Brake System. It carries 1,071 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #67in Brake System
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 1,071per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Copper Nickel Brake Line 3/16 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
4LifetimeLines 3/16 x 25 ft Copper-Nickel Brake Line Replacement Kit Inverted Flare Fittings Included Hand-Bendable Tubing Coil Corrosion Resistant SAE & ISO Certified
- Price
- $31.12
- Rating
- 4.7/5
- Reviews
- 5,960
- Age
- 8y ago

4LIFETIMELINES Superior Non-Magnetic True Copper-Nickel Brake Line Tubing Coil Durable & Rust-Resistant 3/16 x 25 (.028 Wall Thickness) Premium Quality for Enhanced Vehicle Safety & Performance
- Price
- $23.31
- Rating
- 4.6/5
- Reviews
- 671
- Age
- 8y ago

2 Sets 3/16 Brake Line 25 ft Copper Nickel Tubing Stainless Steel Brake Line Clamps Repair Kit With 32 Fitting
- Price
- $26.50
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 1y ago

Genuine 3/16ODx25FT Copper Nickel Brake Line Replacement Kit with 16 Nuts & 4 Unions/Connector Non-Magnetic Copper Tubing with Fittings for Brake Systems Easy to bend Corrosion-Resistant
- Price
- $30.06
- Rating
- 4.7/5
- Reviews
- 51
- Age
- 1y ago

25 Ft. 3/16 OD Copper Nickel Brake Line Tubing Coil and Fitting Kit 25 Ft of 3/16 x 25
- Price
- $13.92
- Rating
- 4.2/5
- Reviews
- 204
- Age
- 5y ago
Trending
estimated 90-day click momentum
Upgraded Brake Line Tubing Kit 25 Ft. 3/16 OD Tubing Kit Flexible Copper Nickel Tube for hydraulic brakes Fuel Transmission System and 16 Inverted Flare Fittings
- Price
- $14.07
- Rating
- 4.6/5
- Reviews
- 20
- Age
- 1y ago
![4LIFETIMELINES Copper Nickel Brake Line Kit [2-Pack] 3/16 & 1/4 x 25 ft Tubing Coils with Fittings | Rust-Resistant CuNi Replacement Brake Lines | Easy Bend & Flare](https://m.media-amazon.com/images/I/51yREf2SlDL.jpg)
4LIFETIMELINES Copper Nickel Brake Line Kit [2-Pack] 3/16 & 1/4 x 25 ft Tubing Coils with Fittings | Rust-Resistant CuNi Replacement Brake Lines | Easy Bend & Flare
- Price
- $55.64
- Rating
- 4.6/5
- Reviews
- 797
- Age
- 6y ago

MuHize Upgraded Brake Line Tubing Kit - 25 Ft. of 3/16 Copper Coated Flexible Tube Roll 25 ft 3/16 (Includes 16 Fittings)
- Price
- $13.85
- Rating
- 4.6/5
- Reviews
- 2,473
- Age
- 6y ago

4LIFETIMELINES Superior Non-Magnetic True Copper-Nickel Brake Line Tubing Coil Durable & Rust-Resistant 3/16 x 25 (.028 Wall Thickness) Premium Quality for Enhanced Vehicle Safety & Performance
- Price
- $23.31
- Rating
- 4.6/5
- Reviews
- 671
- Age
- 8y ago

2 Sets 3/16 Brake Line 25 ft Copper Nickel Tubing Stainless Steel Brake Line Clamps Repair Kit With 32 Fitting
- Price
- $26.50
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 1y ago
Newest
by launch date
Genuine 3/16ODx25FT Copper Nickel Brake Line Replacement Kit with 16 Nuts & 4 Unions/Connector Non-Magnetic Copper Tubing with Fittings for Brake Systems Easy to bend Corrosion-Resistant
- Price
- $30.06
- Rating
- 4.7/5
- Reviews
- 51
- Age
- 1y ago

Copper Coated Brake Line 3/16 Coated Steel Brake Line Tubing Kit (3/16 x 25FT) with 16 Fittings & 4 Unions
- Price
- $15.31
- Rating
- 4.4/5
- Reviews
- 45
- Age
- 1y ago

Upgraded Brake Line Tubing Kit 25 Ft. 3/16 OD Tubing Kit Flexible Copper Nickel Tube for hydraulic brakes Fuel Transmission System and 16 Inverted Flare Fittings
- Price
- $14.07
- Rating
- 4.6/5
- Reviews
- 20
- Age
- 1y ago

2 Sets 3/16 Brake Line 25 ft Copper Nickel Tubing Stainless Steel Brake Line Clamps Repair Kit With 32 Fitting
- Price
- $26.50
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 1y ago

YAKEFLY 25 Ft. 3/16 Copper Nickel Brake Line Rustproof Brake Line Tubing Kit Flexible Copper Coated Brake Line Tubing Coil with 16 Inverted Flare Fittings for Hydraulic Fuel Transmission (Gold)
- Price
- $14.27
- Rating
- 4.5/5
- Reviews
- 419
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 83% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
10
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
5%
- 4LIFETIMELINES63%
- Haokixin9%
- TUBPRO9%
- Poweka7%
- Azuvis4%
- mznowsea3%
- Open — no brand owns it (2 brands, 5%)
Demand
Copper Nickel Brake Line 3/16 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Copper Nickel Brake Line 3/16 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nicopp brake line 3/165K/yr
- copper nickel brake line 3/167K/yr
- 3/16 copper nickel brake line5K/yr
- nickel copper brake line 3/163K/yr
Reviews and returns
What reviews say buyers love and hate about Copper Nickel Brake Line 3/16
We read the reviews and the return reasons for every product selling here.
“it will rust”
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.
17 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 Copper Nickel Brake Line 3/16 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









