transmission cooler lines
Worth a lookShows a sweet-spot price point ($56.32 avg), but soft demand (-18.3% this quarter) keeps it on the watch list.
Avg price
Great$56.32avg listing price — sweet spot $15–$100
Review moat
Great308.92avg incumbent reviews — the moat a new listing must climb
Competition
Great40%top-5 click share — an open shelf
Price range
Good$10.42–$139.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.8%return rate — above 6% kills the launch gate
Market size
Good$326K$326K/yr · 366K searches
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-18.3%90-day search growth — must beat 0% to launch
Competition
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.Brands
19 falling
Sellers
92
Top-5 brand share
78%
Open market
18%
- Dorman25%
- EVIL ENERGY18%
- Generic16%
- GM GENUINE PARTS11%
- A-Premium8%
- Four Seasons4%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 48 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
6AN 70 Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Transmission 4L80E TH350 TH400 4L60E 700R4 200-4R TR6060 Ford AOD 4R100 4R70W and C5 Stainless Steel Braided PTFE Hose
Generic$28.494.5★761 rev
EVIL ENERGY 6AN Fuel Line Kit Transmission Cooler Line Kit for 4L60E 4L65E AN6 Nylon Braided Fuel Line Hose Fitting Kit CPE 15FT
EVIL ENERGY$54.734.7★117 rev
Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly Compatible with Select Chrysler/Dodge/Ram Models
Dorman$45.204.6★697 rev
EVIL ENERGY 3/8 Transmission Oil Cooler Hose 5FT 250PSI SAE J1532
EVIL ENERGY$19.724.6★693 rev
Automatic Transmission Oil Cooler Hose 53015
Four Seasons$16.754.6★689 rev
Newest
by launch date
Engine Oil Cooler Hose Assembly Compatible with Chevrolet Silverado For GMC Sierra YUKON replace # 84828848 625-209 625209 5801032 20828695
MYFANDOOR$59.483 rev
Dorman 724-048 Automatic Transmission Oil Cooler Hose Assembly Compatible with Select Chrysler/Dodge Models
Dorman$91.551 rev
EVIL ENERGY 6AN PTFE Fuel Line Kit 52 Transmission Fluid Oil Cooler Hose Line kit 4.3FT for 4L60 4L60E 4L65E AN6 Stainless Steel Braided PTFE Fuel Hose Kit for 4L80E TH350 TH400 700R4 Ford C6
EVIL ENERGY$51.997 rev
Dorman 724-029 Transmission Oil Cooler Pressure and Return Line Compatible with Select Dodge Models Universal Fit
Dorman$139.191 rev
GM Genuine Parts 85724972 Engine Oil Cooler Hose
GM GENUINE PARTS$119.8917 rev
Trending
90-day click momentumDorman 724-029 Transmission Oil Cooler Pressure and Return Line Compatible with Select Dodge Models Universal Fit
Dorman$139.195.0★
GM Genuine Parts 84791853 Engine Oil Cooler Hose
GM GENUINE PARTS$85.984.5★
6AN 52 Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Ford GMC Buick Cadillac Cars and Trucks Stainless Steel Braided PTFE Hose
Generic$28.284.5★
GM Genuine Parts 15809053 Automatic Transmission Auxiliary Fluid Cooler Upper Line
GM GENUINE PARTS$39.204.6★
Engine Oil Cooler Hose Assembly Compatible with Chevrolet Silverado For GMC Sierra YUKON replace # 84828848 625-209 625209 5801032 20828695
MYFANDOOR$59.482.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.3% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Fit great”
“exactly what I needed”
“Great value for the money”
“Worked like they were supposed to”
“Easy to assemble as well”
“They work great and dont leak and where pretty easy to install and I think it had more power and it definitely shifted better”
“good cheap fuel line”
“They are very durable”
“Simple to replace”
What buyers complain about
“Didn't fit”
“Leaking everywhere”
“Bad quality”
“Broke instantly after install”
“False advertising not -6AN size”
“Split apart after 100 miles of use in my vehicle”
“Won't fit 5.4V 3V”
“Cheap material”
“they didnt snap into the tranny bc they were too thick”
“Cost me a couple grand for a transmission because the hose rated for transmission fluid blew out”