---
title: "Power Steering Stop Leak — $137K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/power-steering-stop-leak"
last_updated: "2026-08-06T00:51:56.600Z"
locale: en
meta:
description: "Niche score 41/100 · $137K/yr market · 69K searches/yr · $12.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $137K/yr market · 69K searches/yr · $12.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Power Steering Stop Leak — $137K/yr Amazon US Niche (2026) - Flapen"
---
# **power steering stop leak**
**Skip it**
A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.
Market size 30Growth 20Conversion 98Competition 10Returns 96Price range 39Avg price 54Brand share 16Review moat 28Quality gap 43
**Conversion**
**Incredible****16.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$12.46**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$5.41–$21.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$137K**
$137K/yr · 69K searches
**Review moat**
**Okay****3,698.9**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-9.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, power steering stop leak is a $137K/yr Amazon United States market (69K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 41/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **power steering stop leak market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$125K–$156K**
- units × avg price
- **Conversion rate**
- **16.0%**
- **Avg BSR**
- **#12**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **127 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**132**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**4%**
- Lucas Oil53% - Bar's Leaks25% - BlueDevil Products7% - Prestone5% - Valvoline3% - Permatex3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.
1K750Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/automotive/power-steering-stop-leak/trend)
## **Top power steering stop leak search terms**
- **power steering stop leak**21K/yr-11.7%13.0% conv. - **lucas power steering stop leak**18K/yr-4.0%19.7% conv. - **power steering fluid stop leak**17K/yr-12.1%11.6% conv. - **power steering leak stop**4K/yr-3.5%16.4% conv. - **stop leak power steering fluid**3K/yr-17.0%14.3% conv. - **power steering stop leak sealant**4K/yr-22.3%12.8% conv. - **lucas oil power steering stop leak**2K/yr+6.6%24.8% conv. [**All search terms **](https://flapen.com/research/us/automotive/power-steering-stop-leak/search-terms)
## **Top power steering stop leak 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.
0%10%$14K20%$27K30%$41K40%$55K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lucas Oil 12 Oz. Power Steering Leak-Stopper Fluid - 1 Each**Lucas Oil**$12.83**4.5★2,730 rev](https://www.amazon.com/dp/B000ARPVNO) [2**Lucas Oil LUC10011**Lucas Oil**$19.26**4.6★2,481 rev](https://www.amazon.com/dp/B0014E36KM) [3**Bars Leaks High Mileage Power Steering Repair-It 16.9 oz**Bar's Leaks**$12.01**4.3★2,827 rev](https://www.amazon.com/dp/B000930N0U) [4**BlueDevil Products Power Steering Fluid w/Stop Leak - 1 Quart**BlueDevil Products**$11.56**4.7★330 rev](https://www.amazon.com/dp/B0CK95YHFG) [5**Prestone AS262 Power Steering Fluid with Stop Leak 50 000 Miles 12 oz.**Prestone**$5.41**4.7★2,150 rev](https://www.amazon.com/dp/B000FW62R8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Permatex 30303 Power Steering - Stop Leak 12 fl oz Effectively Stops Power Steering System Leaks While Revitalizing Seals and O-Rings**Permatex**$12.26**34 rev2y ago](https://www.amazon.com/dp/B0CWJ4K4XX) [**BlueDevil Products Power Steering Fluid w/Stop Leak - 1 Quart**BlueDevil Products**$11.56**330 rev2y ago](https://www.amazon.com/dp/B0CK95YHFG) [**LIQUI Moly Power Steering Oil Leak Stop | 35 ml | Oil additive | SKU: 1099**Liqui Moly**$14.04**3,252 rev12y ago](https://www.amazon.com/dp/B00HL2M6KC) [**Bars Leaks 1630 Power Steering Stop Leak - 11 oz Grey**Bar's Leaks**$6.03**1,339 rev14y ago](https://www.amazon.com/dp/B007863N26) [**Vavoline MaxLife PS and SL Power Steering Fluid with Stops Leaks Prevents Wear Foaming and Oxidation for Meets GM 1050017 Chrysler 5931 Ford M2C195-A 32oz**Valvoline**$10.21**37 rev15y ago](https://www.amazon.com/dp/B003VSKQ34)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vavoline MaxLife PS and SL Power Steering Fluid with Stops Leaks Prevents Wear Foaming and Oxidation for Meets GM 1050017 Chrysler 5931 Ford M2C195-A 32oz**Valvoline**$10.21**4.7★**▲ 166%**](https://www.amazon.com/dp/B003VSKQ34) [**LIQUI Moly Power Steering Oil Leak Stop | 35 ml | Oil additive | SKU: 1099**Liqui Moly**$14.04**4.2★**▲ 110%**](https://www.amazon.com/dp/B00HL2M6KC) [**Permatex 30303 Power Steering - Stop Leak 12 fl oz Effectively Stops Power Steering System Leaks While Revitalizing Seals and O-Rings**Permatex**$12.26**4.3★**▲ 33%**](https://www.amazon.com/dp/B0CWJ4K4XX) [**BlueDevil Products Power Steering Fluid w/Stop Leak - 1 Quart**BlueDevil Products**$11.56**4.7★**▲ 16%**](https://www.amazon.com/dp/B0CK95YHFG) [**Lucas Oil 12 Oz. Power Steering Leak-Stopper Fluid - 1 Each**Lucas Oil**$12.83**4.5★**▲ 16%**](https://www.amazon.com/dp/B000ARPVNO)
**~~View all trending →~~**
## **What buyers say about power steering stop leak**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Leak-Proof**35%
*“it is no longer leaking”*
**Quality-Overall**16%
*“Great product great company”*
**Value For Money**9%
*“Good value”*
**Advertised Vs Actual Product**8%
*“Works as advertised”*
**Efficiency**8%
*“helps a worn seal do it's job again”*
**Ease Of Use**4%
*“Easy to use”*
**Maintenance And Repair**2%
*“Saved me from hours of work to fix it”*
**Lubrication**1%
*“The best, most effective oil sealer on the market hands down”*
**Thickness**1%
*“It was a nice blend of thickness to add to my power steering reservoir”*
**Fuel Efficiency**1%
*“My fuel mileage increased from 35 mpg to 42”*
### **What buyers complain about **
**Leak-Proof**51%
*“Made the leak worst”*
**Functionality-Overall**10%
*“it did not work in my case”*
**Value For Money**9%
*“Expensive part should you have to replace it”*
**Maintenance And Repair**3%
*“I was dreading the repair bill”*
**Advertised Vs Actual Product**2%
*“It did not work as they claims”*
**Lubrication**1%
*“It's a solvent”*
**Noise Level**1%
*“Noises when away”*
**Durability**1%
*“disappointed lasted just a year it would appear”*
**Material Quality**1%
*“Not synthetic”*
**Thickness**1%
*“Very thin liquid”*
### **Top return reasons **
**Compatibility-Overall**34%
**Leak-Proof**25%
**Value For Money**10%
**Functionality-Overall**10%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**3%
**Product Condition**3%
**Maintenance And Repair**3%
**Size-Overall**1%
**Color**1%
## **Common questions**
- **Is power steering stop leak profitable to sell on Amazon United States?**
- The niche generates $137K/yr across 10 tracked products. 90-day search growth is -9.5%. Flapen's verdict: Skip it (41/100).
- **How competitive is the power steering stop leak niche?**
- 8 brands and 132 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in power steering stop leak?**
- Top complaints mined from reviews: Leak-Proof, Functionality-Overall, Value For Money. The return rate is 0.7%.
- **When does demand for power steering stop leak peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the power steering stop leak niche?**
- Listings span $5.41–$21.01; the average listing price is $12.46 (sweet spot $15–$100). The average incumbent carries 3,699 reviews — the moat a new listing must climb.
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