3/8 Transmission Cooler Hose
FailShoppers spend an estimated $62K a year here, so 3/8 Transmission Cooler Hose is a Fail.
- Flapen Score
- 47 / 100Ranks 4,157 of 7,287 Automotive niches · −2 vs the category median of 4947
- Market size
- $62K/yr33K searches / yr
- 90-day growth
- +11.6%search demand this quarter
- Competition
- 65%top-5 click share · 11 brands · 23 sellers
Flapen Score
3/8 Transmission Cooler Hose against its category
The dotted line is the Automotive average. Past it, 3/8 Transmission Cooler Hose is stronger. Inside it, weaker.
Market
The 3/8 Transmission Cooler Hose market on Amazon at a glance
Shoppers on Amazon United States searched for 3/8 Transmission Cooler Hose 33K times last year and spent an estimated $62K. The top 5 brands take 89% of clicks. Demand peaks in Mar. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 10.2% of those searches ended in a purchase.
Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.2% of those searches ended in a purchase. Searches in the last 90 days moved +11.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $62K a year.
- Searches, last 12 months
- 33K
- Growth, 90 days vs prior 90
- +11.6%
- Conversion, latest week
- 10.2%
- Market size, estimated
- $62Ka year
- Peak month
- March1.6× the quietest month
- Top search term
- 3/8 transmission cooler hose14K searches a year
02 · Price
A sale here is worth $18.41.
Listings sell for $18.41 on average, from $8.41 to $32.09. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $18.41 that is $2K to $5K a year per listing.
- Average price
- $18.41inside the $15 to $100 sweet spot
- Price range
- $8.41–$32.09
- 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
- 1.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
91% 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 #210 within Belts, Hoses & Pulleys. It carries 636 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #210in Belts, Hoses & Pulleys
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 636per listing
- Listings tracked
- 22
04 · Newcomers
4 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 6
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top 3/8 Transmission Cooler Hose 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
EVIL ENERGY 3/8 Transmission Oil Cooler Hose 10FT 250PSI SAE J1532
- Price
- $30.06
- Rating
- 4.6/5
- Reviews
- 693
- Age
- 3y ago

EVIL ENERGY 3/8 Transmission Oil Cooler Hose 5FT 250PSI SAE J1532
- Price
- $19.72
- Rating
- 4.6/5
- Reviews
- 693
- Age
- 3y ago

3/8 Inch (10mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI for Automotive Fuel Systems Engines
- Price
- $10.42
- Rating
- 4.6/5
- Reviews
- 5,527
- Age
- 4y ago

EVIL ENERGY 3/8 Transmission Cooler Hose 5FT SAE J1532 250 PSI Power Steering Hose for Transmission Engine & Hydraulic Oil Cooling Systems
- Price
- $20.95
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 7mo ago

Boltigen 3/8 ID Transmission Oil Cooler Hose 10FT Transmission Cooler Line for Power Steering Hydraulic Systems 300PSI Power Steering Hose SAE J1532 (3/8-10FT)
- Price
- $22.25
- Rating
- 4.6/5
- Reviews
- 92
- Age
- 1y ago
Trending
estimated 90-day click momentum
3/8 Inch (10mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Tubing High Pressure 300PSI for Automotive Fuel Systems Engines and Gas Transmission Line
- Price
- $9.84
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 7mo ago

EVIL ENERGY 3/8 Fuel Hose Line 10FT NBR Rubber Push Lock Hose with 10 Clamps Straight SAE 30R7 300PSI
- Price
- $17.95
- Rating
- 4.5/5
- Reviews
- 10
- Age
- 3mo ago

3/8 Transmission Cooler Hose with Clamp 300PSI Transmission Oil Cooler Line SAE J1532 Standards for Power Steering Hydraulic Systems 10Ft
- Price
- $19.85
- Rating
- 4.2/5
- Reviews
- 4
- Age
- 5mo ago

EVIL ENERGY 3/8 Transmission Cooler Hose 5FT SAE J1532 250 PSI Power Steering Hose for Transmission Engine & Hydraulic Oil Cooling Systems
- Price
- $20.95
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 7mo ago

3/8 Transmission Oil Cooler Hose - J1532 Power Steering Hose 5 FT Ideal for Fuel Hydraulic and Power Steering Applications 300PSI High Pressure
- Price
- $12.89
- Rating
- 4.4/5
- Reviews
- 111
- Age
- 1y ago
Newest
by launch date
EVIL ENERGY 3/8 Fuel Hose Line 10FT NBR Rubber Push Lock Hose with 10 Clamps Straight SAE 30R7 300PSI
- Price
- $17.95
- Rating
- 4.5/5
- Reviews
- 10
- Age
- 3mo ago

3/8 Transmission Cooler Hose with Clamp 300PSI Transmission Oil Cooler Line SAE J1532 Standards for Power Steering Hydraulic Systems 10Ft
- Price
- $19.85
- Rating
- 4.2/5
- Reviews
- 4
- Age
- 5mo ago

3/8 Inch (10mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Tubing High Pressure 300PSI for Automotive Fuel Systems Engines and Gas Transmission Line
- Price
- $9.84
- Rating
- 4.4/5
- Reviews
- 41
- Age
- 7mo ago

EVIL ENERGY 3/8 Transmission Cooler Hose 5FT SAE J1532 250 PSI Power Steering Hose for Transmission Engine & Hydraulic Oil Cooling Systems
- Price
- $20.95
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 7mo ago

EVIL ENERGY 3/8 Transmission Cooler Hose 10FT SAE J1532 250 PSI Power Steering Hose for Transmission Engine & Hydraulic Oil Cooling Systems
- Price
- $32.09
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
23
Est. top-5 brand share
89%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 98%
Open market
8%
- EVIL ENERGY47%
- Boltigen16%
- dojobkinb15%
- Byredio7%
- Eunice4%
- CHOIMOON3%
- Open — no brand owns it (5 brands, 8%)
Demand
3/8 Transmission Cooler Hose search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar · busiest ÷ quietest = 1.6×
Search terms
Top 3/8 Transmission Cooler Hose search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 3/8 transmission cooler hose14K/yr
- 3/8 power steering hose8K/yr
- 3/8 transmission hose7K/yr
- 3/8 oil hose4K/yr
Reviews and returns
What reviews say buyers love and hate about 3/8 Transmission Cooler Hose
We read the reviews and the return reasons for every product selling here.
“Poor quality hose”
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 3/8 Transmission Cooler Hose 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









