---
title: "King Kutter Parts — $94K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/king-kutter-parts"
last_updated: "2026-08-05T21:54:48.598Z"
locale: en
meta:
description: "Niche score 61/100 · $94K/yr market · 27K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $94K/yr market · 27K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "King Kutter Parts — $94K/yr Amazon US Niche (2026) - Flapen"
---
# **king kutter parts**
**Worth a look**
Shows demand growing +146.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 23Growth 96Conversion 23Competition 77Returns 89Price range 3Avg price 48Brand share 81Review moat 96Quality gap 52
**Growth**
**Incredible****+146.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Incredible****81.46**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****54%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$188.21**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****$94K**
$94K/yr · 27K searches
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$10.14–$2977.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, king kutter parts is a $94K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Apr–May–Jun–Jul–Aug–Sep. Verdict: Worth a look — 61/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **king kutter parts market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$94K–$141K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#9,482**
- **Page quality**
- **0%**
- **Prime**
- **54%**
- **Sponsored**
- **70%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**25 **—flat
**Sellers**
**29**
**Top-5 brand share**
**54%**
Top 20: 96%
**Top-5 click share**
**38%**
Top 20: 80%
**Open market**
**40%**
- King Kutter16% - Reliable Aftermarket Parts13% - Earthtec9% - Reliable Aftermarket Parts Our Name Says It All8% - HD Switch8% - GEATaaT6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +146.2% search growth over the last 90 days.
1K750Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 5.5×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/king-kutter-parts/trend)
## **Top king kutter parts search terms**
- **king kutter finish mower parts**10K/yr+396.3%3.5% conv. - **king kutter parts**11K/yr+100.7%0.7% conv. - **king kutter**6K/yr+50.4%0.1% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/king-kutter-parts/search-terms)
## **Top king kutter 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%$3K6%$6K9%$8K12%$11K1101001K10K 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**Earthtec 167148 Belt Replacement for King KUTTER 167148 for County LINE RFM-72 RFM72 6 Machines RFM-72**Earthtec**$30.84**4.3★121 rev](https://www.amazon.com/dp/B07DNJWRW6) [2**Complete King Kutter Finish Mower Wheel Assembly Fits from 4 - 7 cut mowers**King Kutter**$66.98**4.4★122 rev](https://www.amazon.com/dp/B01L9U9G7M) [3**HD Switch 3 Pack 502310 LH Thread Blade Bolt Grade 10.9 Upgrade fits King Kutter Country Line 555009 502303 502300 502301 155009 156026 5022310 21-023 167133 502313 FM5 FM6 CL075 FM48 FM60 FM72 RFM**HD Switch**$10.14**4.6★86 rev](https://www.amazon.com/dp/B08WCPFHQP) [4**Spindle Assembly Fits King Kutter 4 5 6 Mowers 502303 Left Hand Thread**Reliable Aftermarket Parts Our Name Says It All**$66.03**4.3★33 rev](https://www.amazon.com/dp/B09S5LSCPM) [5**Three (3) Spindles 502303 Fits King Kutter Finish Mowers RFM-48 RFM-60 RFM-72**Reliable Aftermarket Parts**$146.25**3.8★17 rev](https://www.amazon.com/dp/B0CCK83DXT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**167148 Mower Deck Belt for King Kutter & County Line RFM-72 6 Finish Mower | 5/8 x 151 Replacement Deck Belt | Compatible with RFM-72 RFM72 6-Foot Rotary Finish Mowers**GEATaaT**$24.90**188 rev9mo ago](https://www.amazon.com/dp/B0FS5CP21P) [**Belt Springs Compatible with King Kutter Finish Mower Parts #502027 Belt Tension Springs FM Replacement for King Kutter 5 6 7 ft. Finish Mower-2pcs**Gvvycc**$10.28**1 rev10mo ago](https://www.amazon.com/dp/B0FQP6DDD8) [**Self-Aligning Bearing & Seal Kit Fits for King Kutter RTG/TG/TG-G Tillers (48-84) - Replaces 902019 & 505017 | LZXQYMX Durable Replacement**LZXQYMX**$34.59**2 rev11mo ago](https://www.amazon.com/dp/B0FGHK5H9B) [**AIYOYOLIFE V-Belt Deck Belt Mower Belt Compatible with King Kutter 5 Finish Mower FM60 RFM-60 Replace#: 167133**AIYOYOLIFE**$33.60**7 rev11mo ago](https://www.amazon.com/dp/B0FHPXCX4L) [**164090 Idler Pulley Compatible with King Kutter RFM Series 4 5 and 6 Finish Mower (4 Pack)**GEATaaT**$54.83**17 rev1y ago](https://www.amazon.com/dp/B0FGDDZGQC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**EPR Spindle Assembly for King Kutter 502303 RFM-48 RFM-60 RFM-72**EPR Distribution**$60.61**4.6★**▲ 115%**](https://www.amazon.com/dp/B097523PYW) [**Three (3) Pack of Replacement Blade Spindles 502303 Fits King Kutter Finish**Reliable Aftermarket Parts**$148.44**4.0★**▲ 93%**](https://www.amazon.com/dp/B0D2145H5M) [**167148 Mower Deck Belt for King Kutter & County Line RFM-72 6 Finish Mower | 5/8 x 151 Replacement Deck Belt | Compatible with RFM-72 RFM72 6-Foot Rotary Finish Mowers**GEATaaT**$24.90**4.5★**▲ 72%**](https://www.amazon.com/dp/B0FS5CP21P) [**164090 Idler Pulley Compatible with King Kutter RFM Series 4 5 and 6 Finish Mower (4 Pack)**GEATaaT**$54.83**4.6★**▲ 70%**](https://www.amazon.com/dp/B0FGDDZGQC) [**Belt Springs Compatible with King Kutter Finish Mower Parts #502027 Belt Tension Springs FM Replacement for King Kutter 5 6 7 ft. Finish Mower-2pcs**Gvvycc**$10.28**5.0★**▲ 54%**](https://www.amazon.com/dp/B0FQP6DDD8)
**~~View all trending →~~**
## **What buyers say about king kutter parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“Correct fit”*
**Value For Money**15%
*“Good price”*
**Quality-Overall**11%
*“good quality”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Strength**4%
*“The spindles are very heavy duty”*
**Grip**4%
*“Holding up well to hard use”*
**Wheel Quality**4%
*“The wheels have held up for one season”*
**Material Quality**4%
*“Well made, decent material”*
**Efficiency**2%
*“Worked good”*
**Correct Contents**2%
*“great bundle,good parts”*
### **What buyers complain about **
**Size-Overall**30%
*“Very small”*
**Quality-Overall**12%
*“I think this belt is junk”*
**Durability**12%
*“Belt broke on RFM-72 King Kutter 15min into first use”*
**Cutting/Trimming**7%
*“The cutting edge is shorter, the lift angle behind the cutting edge, which lifts the grass and helps discharge it, is flatter, and in the description it read These blades are precisely 24 1/16 long”*
**Thickness**7%
*“fast shipped,blades are thinner than originals and bend easily”*
**Mounting**7%
*“pulley on the left has no bevel on the bottom”*
**Functionality-Overall**3%
*“that didnt work”*
**Strength**3%
*“easily bent”*
**Assembly/Installation**3%
*“bent shortly after installed”*
**Shape/Style**3%
*“Shaft diameter and style are not exactly like that on my King Kutter XB 4 foot rotary cutter”*
### **Top return reasons **
**Size-Overall**76%
**Durability**5%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Compatibility-Overall**3%
**Assembly/Installation**3%
**Mounting**3%
**Maintenance And Repair**3%
**Functionality-Overall**3%
**Shape/Style**2%
## **Common questions**
- **Is king kutter parts profitable to sell on Amazon United States?**
- The niche generates $94K/yr across 37 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +146.2%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the king kutter parts niche?**
- 25 brands and 29 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 54% of demand.
- **What do buyers complain about in king kutter parts?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.3%.
- **When does demand for king kutter parts peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug–Sep; the busiest month runs 5.5× the quietest.
- **What does it cost to enter the king kutter parts niche?**
- Listings span $10.14–$2977.43; the average listing price is $188.21 (sweet spot $15–$100). The average incumbent carries 81 reviews — the moat a new listing must climb.
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