---
title: "Stihl Ts420 Parts — $158K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/stihl-ts420-parts"
last_updated: "2026-08-10T12:20:05.255Z"
locale: en
meta:
description: "Niche score 63/100 · $158K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $158K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Stihl Ts420 Parts — $158K/yr Amazon US Niche (2026) - Flapen"
---
# **stihl ts420 parts**
**Worth a look**
Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 33Growth 34Conversion 68Competition 79Returns 97Price range 7Avg price 90Brand share 92Review moat 95Quality gap 62
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****94.53**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Great****43%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$57.71**
avg listing price — sweet spot $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Conversion**
**Good****6.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+7.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$158K**
$158K/yr · 44K searches
**Price range**
**Bad****$8.14–$1144.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, stihl ts420 parts is a $158K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 43% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **stihl ts420 parts market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$144K–$173K**
- units × avg price
- **Conversion rate**
- **6.2%**
- **Avg BSR**
- **#1,175**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**26 **▼falling
**Sellers**
**54**
**Top-5 brand share**
**43%**
Top 20: 96%
**Top-5 click share**
**36%**
Top 20: 79%
**Open market**
**51%**
- Hipa13% - WanQin9% - Farmertec8% - Butom7% - Hippotech6% - Mikatesi6%
## **Demand & seasonality**
Weekly Amazon search volume, last 69 weeks — +7.2% search growth over the last 90 days.
1K600Spike '25Black Friday '25Holiday '25Spike '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/stihl-ts420-parts/trend)
## **Top stihl ts420 parts search terms**
- **stihl ts420 parts**13K/yr+9.3%3.9% conv. - **stihl 420 concrete saw parts**10K/yr-15.9%5.7% conv. - **stihl ts 420 parts**5K/yr+24.2%4.0% conv. - **stihl concrete saw ts420 parts**5K/yr+32.4%3.2% conv. - **stihl ts420**6K/yr+2.2%3.5% conv. - **stihl concrete saw parts**5K/yr+20.1%1.7% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/stihl-ts420-parts/search-terms)
## **Top stihl ts420 parts 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%3%$5K6%$9K9%$14K12%$19K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hipa Air Filter for STHIL TS420 TS500I TS410 TS410Z TS420Z Concrete Cut Off Saw 4238 140 4401 with Primer Bulb Fuel Tune Up Kit**Hipa**$17.38**4.6★373 rev](https://www.amazon.com/dp/B01LZ5TDUK) [2**Farmertec Cylinder Shroud Top Handle Cover Compatible with Stihl TS410 TS420 Concrete Cut Off Saw 4238 080 1610**Farmertec**$46.96**4.6★92 rev](https://www.amazon.com/dp/B07VGRXYHW) [3**Recoil Starter Assembly for Stihl Chainsaw TS410 TS420 Concrete Cut-Off Saw 4238-190-0300 (1 PACK)**WanQin**$19.43**4.5★349 rev](https://www.amazon.com/dp/B07V4L8SHS) [4**Butom TS420 TS410 Carburetor for STIHL TS 420 TS410Z TS420Z Concrete Cut-Off Saw 4238 120 0600 C1Q-S118 Carb with Filter Maintenance Kit**Butom**$28.91**4.4★231 rev](https://www.amazon.com/dp/B07B9XDDK3) [5**Hippotech Recoil Starter Assembly with Air Filter Tune Up Kit Compatible with Stihl TS410 TS420 TS480i TS500i Concrete Cut-Off Saws Replace OEM 4238 190 0300 4238 140 4401**Hippotech**$25.12**4.4★151 rev](https://www.amazon.com/dp/B0BYDLNQXW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ryzljss 3 Packs Recoil Starter Assembly Compatible with Stihl TS410 TS420 TS480i TS500i Concrete Cut Off Saws Compatible with 4238-190-0404 4238-190-0300**Ryzljss**$45.94**13 rev1y ago](https://www.amazon.com/dp/B0FFSM4PB4) [**youjupazi TS420 TS410 Carburetor Kit with Air Filter Stop Switch Maintenance Kit for Stihl TS410Z TS420Z Concrete Cut-Off Saw C1Q-S118 C1Q-S118D Replaces Parts 4238 120 0600 4238-120-0600 Carb**youjupazi**$30.37**1 rev1y ago](https://www.amazon.com/dp/B0FFGH7NKJ) [**Panari 4238 400 1301 Ignition Coil Module Magneto for Sti-hl TS410 TS420 Concrete Cut-Off Saw**Panari**$17.17**8 rev1y ago](https://www.amazon.com/dp/B0DMVY6HYL) [**Auoiian Exhaust Muffler Gasket Kit for Stihl TS410 TS420 Concrete Saw Cooling Plate Replacement Enhance Performance and Reduce Noise Stihl Concrete Saw ts420 ts410 Parts Durable & Easy Replace**Auoiian**$23.21**24 rev1y ago](https://www.amazon.com/dp/B0DLL8ZLCL) [**Lushview TS420 TS410 Air Filter for STHIL 420 Concrete Saw Parts TS500I TS410Z TS420Z Cut Off Saw Replace 4238 140 4401 4238-141-0300-B with Primer Bulb Fuel Filter**Lushview**$15.45**20 rev1y ago](https://www.amazon.com/dp/B0DK33Q9R4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ryzljss 3 Packs Recoil Starter Assembly Compatible with Stihl TS410 TS420 TS480i TS500i Concrete Cut Off Saws Compatible with 4238-190-0404 4238-190-0300**Ryzljss**$45.94**4.6★**▲ 205%**](https://www.amazon.com/dp/B0FFSM4PB4) [**Lushview TS420 TS410 Air Filter for STHIL 420 Concrete Saw Parts TS500I TS410Z TS420Z Cut Off Saw Replace 4238 140 4401 4238-141-0300-B with Primer Bulb Fuel Filter**Lushview**$15.45**4.6★**▲ 95%**](https://www.amazon.com/dp/B0DK33Q9R4) [**Hippotech Recoil Starter Assembly with Air Filter Tune Up Kit Compatible with Stihl TS410 TS420 TS480i TS500i Concrete Cut-Off Saws Replace OEM 4238 190 0300 4238 140 4401**Hippotech**$25.12**4.4★**▲ 54%**](https://www.amazon.com/dp/B0BYDLNQXW) [**Mikatesi 4238 020 1202 TS410 TS420 Cylinder Kit with 4238 430 0500 Stop Switch with Wires for Stihl TS410 TS420 TS 410 420 Cut-Off Saw 50mm**Mikatesi**$53.74**4.7★**▲ 38%**](https://www.amazon.com/dp/B0BWLKCC7N) [**Butom TS420 TS410 Carburetor for STIHL TS 420 TS410Z TS420Z Concrete Cut-Off Saw 4238 120 0600 C1Q-S118 Carb with Filter Maintenance Kit**Butom**$28.91**4.4★**▲ 35%**](https://www.amazon.com/dp/B07B9XDDK3)
**~~View all trending →~~**
## **What buyers say about stihl ts420 parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**34%
*“Fit perfectly”*
**Quality-Overall**22%
*“Extremely well built”*
**Value For Money**13%
*“Worth every penny”*
**Advertised Vs Actual Product**12%
*“As described”*
**Ease Of Use**12%
*“EASY”*
**Blower**4%
*“Perfect fit on MY BR-350 Back Pack Blower Will Buy Again”*
**Efficiency**2%
*“Worked well”*
**Strength**2%
*“Extremely well built”*
### **What buyers complain about **
**Durability**40%
*“Not a good product put it in my saw ran it for five minutes and it blew up”*
**Size-Overall**20%
*“Doesnt fit”*
**Quality-Overall**20%
*“Garbage product/seller”*
**Functionality-Overall**20%
*“Returned did not work for me”*
### **Top return reasons **
**Size-Overall**40%
**Functionality-Overall**19%
**Defective Material/Parts**7%
**Advertised Vs Actual Product**7%
**Fuel Efficiency**4%
**Assembly/Installation**3%
**Compatibility-Overall**3%
**Value For Money**3%
**Connectivity-Overall**2%
**Leak-Proof**2%
## **Common questions**
- **Is stihl ts420 parts profitable to sell on Amazon United States?**
- The niche generates $158K/yr across 40 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +7.2%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the stihl ts420 parts niche?**
- 26 brands and 54 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 43% of demand.
- **What do buyers complain about in stihl ts420 parts?**
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 0.6%.
- **When does demand for stihl ts420 parts peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the stihl ts420 parts niche?**
- Listings span $8.14–$1144.79; the average listing price is $57.71 (sweet spot $15–$100). The average incumbent carries 95 reviews — the moat a new listing must climb.
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