40 series torque converter
Worth a look54/10040 series torque converter shows beatable incumbent ratings (3.9★), but a small market ($93K/yr) keeps it on the watch list.
Market/yr
$93K
Growth (1y)
+271.6%
Products
29
Brands
23
was 29 a year ago
Sellers
26
Price range
$49.97–$192.04
Returns
5.0%
Rating
3.9★
Worth a look
Scored 54/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +271.6% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: May · busiest ÷ quietest = 1.6×
Competition
- JNDO26%
- BLACKHORSE-RACING13%
- Vital All-Terrain11%
- waltyotur4%
- GENRICS4%
- Jeremywell4%
- Other (17 brands)38%
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them. 23 brands and 26 sellers compete here.
Brands
23 falling
was 29 a year ago
Sellers
26
Top 5 brand share
58%
Product shelf
All 29 tracked products in this niche.
JNDO 40 Series Torque Converter Kit with 1 Bore Driver 3/4 Driven Fit for 8hp-16hp engines Predator 420cc Comet 209133A Manco 2432 Go Kart Kit
JNDO
$192.043.7★62 reviews
BLACKHORSE-RACING 1 Go Kart Torque Converter CVT Comet Clutch Go Kart Clutch Replaces Comet 219554A 203814A TAV2 30-75 Yerf Dog Manco Mini Bike 10T #40/41 Chain
BLACKHORSE-RACING
$70.493.8★139 reviews
Go Kart Cart Torque Converter Kit 40 Series Clutch Pulley Driver Driven 8-18 HP
Vital All-Terrain
$157.983.9★75 reviews
Torque Converter Kit 40 Series for Predator 301cc 420cc Engine Custom Go Kart
Vital All-Terrain
$137.813.4★4 reviews
BLACKHORSE-RACING 40 Series 1 BORE GO Kart CVT Torque Converter Driver Clutch FIT Comet 40/44 + 3/4 Driven Clutch Comet Kit + Belt 203785
BLACKHORSE-RACING
$88.884.2★81 reviews
Go Kart Torque Converter Kit 40 Series Clutch Pulley Driver Driven 8 to 16HP Engines Clutch Pulley Driver Driven Replacement for Predator 420cc GX 340 390 Manco
waltyotur
$152.322.7★3 reviews
GENRICS Go Kart 40 Series Torque Converter Kit 8HP-16HP Engines Clutch Pulley Driver Driven Replacement for Predator 420cc GX 340/390 Manco
GENRICS
$175.314.4★7 reviews
Jeremywell 40 Series Torque Converter Kit Clutch Pulley 1 Driver 7/8 Driven 8 to 16HP Belt replaces Comet 40D Series Torq-A-Verter models 209133A 209133 209139A 209139 209151A 209151 and Manco 2432
Jeremywell
$95.324.1★243 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great build quality”
“Easy install works good”
“was th best priced on the Amazon mart 10-10”
“Worked great”
“Fit was perfect”
“Exactly as ordered”
“It feels smoother”
“material is very impressive for the price”
“I think youd have one of the best torque converters out there”
“Its strong enough for a big block”
What buyers complain about
“Bad quality”
“Doesnt fit without modification or adaption”
“Wanted to put it together on my day off now have to wait another week”
“Bad after a couple months”
“And does NOT come with the right sized bolt”
“The description says it fits all engines with a 1 shaft, but it does not fit a 420cc engine”
“bad design”
“as hard I tried I couldn't do it”
“Broken parts”
“Constantly rattling parts inside”
Top return reasons
- Size-Overall44%
- Compatibility-Overall17%
- Advertised Vs Actual Product8%
- Defective Material/Parts7%
- Functionality-Overall7%
- Mounting5%
- Mechanism Issues3%
- Assembly/Installation2%
- Motor Issues1%
- Product Condition1%