transmission cooler
Worth a lookShows a $1.2M/yr market, but prices mostly outside the sweet spot ($24.26–$495.93) keeps it on the watch list.
Market size
Great$1.2M$1.2M/yr · 893K searches
Review moat
Great398.31avg incumbent reviews — the moat a new listing must climb
Avg price
Great$89.91avg listing price — sweet spot $15–$100
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.7%return rate — above 5% kills the launch gate
Growth
Okay+6.3%90-day search growth — must beat 0% to launch
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Price range
Bad$24.26–$495.93cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, transmission cooler is a $1.2M/yr Amazon United States market (893K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
transmission cooler market data
- Units sold / yr
- 15K–20K
- avg 250–500/product
- Revenue / yr
- $1.3M–$1.8M
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #148
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
20 falling
Sellers
109
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
48%
Top 20: 84%
Open market
23%
- EVIL ENERGY32%
- Hayden Automotive20%
- Mishimoto11%
- Lucky Seven7%
- Dorman4%
- YITHSWAY3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +6.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top transmission cooler search terms
- transmission cooler376K/yr
- oil cooler243K/yr
- trans cooler61K/yr
- transmission oil cooler58K/yr
- hayden transmission cooler17K/yr
- transmission cooler kit20K/yr
- oil cooler kit28K/yr
- enfriador de aceite de transmisin18K/yr
- 4l60e transmission cooler kit7K/yr
- heavy duty transmission cooler12K/yr
Top transmission cooler products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EVIL ENERGY 5/16 Transmission Oil Cooler 6 Pass Tube and Fin Cooler Kit Universal Aluminium Black
EVIL ENERGY$39.454.6★1,076 rev
Hayden Automotive 678 Universal Rapid-Cool 9.5 x 11 Add-On Transmission Cooler Not for Direct Replacement of the OE Cooler
Hayden Automotive$52.624.7★1,968 rev
Mishimoto MMTC-SP-13N Universal 13-Row Stacked Plate Transmission Cooler Kit 22.85 x 7.10 x 1.25 Core 40 000 GVW
Mishimoto$160.274.7★149 rev
40k Transmission Oil Cooler LPD47391 Heavy Duty 40 000 GVW Max Low Pressure Drop Compatible with Tru-Cool Includes Mounting Hardware-Ideal for Heavy Vehicles 40 000 GVW transmission cooler (Silver)
Lucky Seven$67.204.0★200 rev
EVIL ENERGY 30 Row Oil Cooler 10AN Stacked Plate Transmission Engine Cooler Universal British Radiator Aluminium Black
EVIL ENERGY$115.534.4★442 rev
Newest
by launch date
Enignelooc Transmission Oil Cooler Shroud Fan Tru-Cool 40 000 40k GVW Low-Pressure Dr LPD47391
Enignelooc$191.811 rev
Transmission Oil Cooler Kit Aluminium alloy Radiator with 5/16 Tube and Hose Mounting Kit(Black) (4 Pass)
VelaStrides$24.2685 rev
EVIL ENERGY 19 Row Oil Cooler Kit 10AN Transmission Engine Cooler British Radiator Universal Aluminium Black
EVIL ENERGY$113.39257 rev
FILTERUP Upgrade 10 Pass Aluminium Transmission Oil Cooler 5/16 Universal 10 Rows Tube And Fin Cooler Kit Engine With Hose Mounting Black
FILTERUP$38.4986 rev
FILTERUP 8 Pass Aluminium Transmission Oil Cooler 5/16 Universal 8 Rows Tube and Fin Cooler Kit engine with Hose Mounting Silver
FILTERUP$31.55150 rev
Trending
90-day click momentumEnignelooc Transmission Oil Cooler Shroud Fan Tru-Cool 40 000 40k GVW Low-Pressure Dr LPD47391
Enignelooc$191.815.0★
Hayden Automotive 687 Rapid-Cool Plate and Fin Transmission Cooler
Hayden Automotive$69.074.6★
FILTERUP Upgrade 10 Pass Aluminium Transmission Oil Cooler 5/16 Universal 10 Rows Tube And Fin Cooler Kit Engine With Hose Mounting Black
FILTERUP$38.494.4★
EVIL ENERGY 5/16 Transmission Oil Cooler 4 Pass Tube and Fin Cooler Kit Universal Aluminium Black
EVIL ENERGY$30.424.6★
EVIL ENERGY 10 Row Oil Cooler 10AN Stacked Plate Transmission Engine Cooler Universal British Radiator Aluminium Black
EVIL ENERGY$56.864.4★
What buyers say about transmission cooler
What buyers praise and complain about, mined from review topics.What buyers love
“Good price lasting quality”
“Fit great”
“The install was very straight forward”
“Much cheaper”
“Cooler works fine”
“Solved my transmission problems”
“Exceeded expectations in every way”
“Works good and does not leak anymore”
“Very durable as it has held up for months to over 2 years now”
“Build quality feels solid”
What buyers complain about
“Leaking again”
“Didn't fit”
“the second one looks like it never seen quality control”
“No installation instructions were provided”
“got a coolant leak”
“part not working”
“expensive”
“Beware of mounting difficulties”
“Poor quality sensors—neither of them worked”
“Failed immediately”
Top return reasons
Common questions
- Is transmission cooler profitable to sell on Amazon United States?
- The niche generates $1.2M/yr across 36 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.3%. Flapen's verdict: Worth a look (51/100).
- How competitive is the transmission cooler niche?
- 20 brands and 109 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in transmission cooler?
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 3.7%.
- When does demand for transmission cooler peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the transmission cooler niche?
- Listings span $24.26–$495.93; the average listing price is $89.91 (sweet spot $15–$100). The average incumbent carries 398 reviews — the moat a new listing must climb.