---
title: "John Deere D140 Parts — $55K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/john-deere-d140-parts"
last_updated: "2026-08-10T16:41:27.894Z"
locale: en
meta:
description: "Niche score 50/100 · $55K/yr market · 37K searches/yr · $18.19 avg price. A small market ($55K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $55K/yr market · 37K searches/yr · $18.19 avg price. A small market ($55K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "John Deere D140 Parts — $55K/yr Amazon US Niche (2026) - Flapen"
---
# **john deere d140 parts**
**Worth a look**
Shows low returns (0.4%), but a small market ($55K/yr) keeps it on the watch list.
Market size 14Growth 68Conversion 80Competition 34Returns 98Price range 82Avg price 83Brand share 14Review moat 67Quality gap 14
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.19**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.47–$59.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.2%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+49.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****811.14**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****$55K**
$55K/yr · 37K searches
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, john deere d140 parts is a $55K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Apr–May–Oct. Verdict: Worth a look — 50/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **john deere d140 parts market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$73K–$91K**
- units × avg price
- **Conversion rate**
- **8.2%**
- **Avg BSR**
- **#464**
- **Page quality**
- **0%**
- **Prime**
- **64%**
- **Sponsored**
- **41%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **97 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▲rising
**Sellers**
**53**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 98%
**Open market**
**3%**
- Honda58% - STP18% - KINDZA9% - Valvoline5% - Single Cylinder Repair4% - Generic2% - Open — no brand owns it (3 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +49.3% search growth over the last 90 days.
2K1KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Oct · busiest ÷ quietest = 5.9×
[**Open Trend **](https://flapen.com/research/us/automotive/john-deere-d140-parts/trend)
## **Top john deere d140 parts search terms**
- **honda lawn mower oil**14K/yr+80.6%9.5% conv. - **honda mower oil**6K/yr+74.2%9.5% conv. - **4 stroke oil**8K/yr+22.3%5.1% conv. - **honda lawnmower oil**4K/yr+95.0%10.1% conv. - **generator oil 10w30**5K/yr-25.6%4.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/john-deere-d140-parts/search-terms)
## **Top john deere d140 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%5%$3K10%$5K15%$8K20%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz**STP**$11.00**4.8★3,439 rev](https://www.amazon.com/dp/B07SD97NW4) [2**Honda Lawn Mower Tune Up Kit for GCV160 GCV170 GCV190LA GCV200 GC190 & GC160 Engine - Kit Includes 17211-Z8B-901 Air Filter 98079-55846 Spark Plug and 08213-10W30 12oz Bottle of 10W-30 Motor Oil**Honda**$23.51**4.8★131 rev](https://www.amazon.com/dp/B0F23C9M7J) [3**Honda 08213-10W30 Oil - 12 oz**Honda**$9.47**4.8★1,833 rev](https://www.amazon.com/dp/B010VPK4SQ) [4**HONDA MOTOR OIL 10W30 QT (PACK OF 2)**Honda**$23.04**4.8★3,314 rev](https://www.amazon.com/dp/B01H2FWWSI) [5**Honda Power Equipment 10W-30 Motor Oil 1-Qt. Bottle**Honda**$13.42**4.8★1,034 rev](https://www.amazon.com/dp/B0073W3SD4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Genuine OEM SAE 10W30 Power Equipment Oil 08213-10W30 For Honda Small Engines Lawn Mowers Generators (1)**Generic**$12.92**7 rev7mo ago](https://www.amazon.com/dp/B0G3TVGYX6) [**Lawnmower Tune Up Kit for Honda HRB216 HRN216 HRR216 HRX217 Mowers GC160 GCV160 GC190 GCV190 GS190 Engines Genuine OEM**Single Cylinder Repair**$23.92**10 rev11mo ago](https://www.amazon.com/dp/B0FJBP9PL5) [**Genuine Honda Lawn Mower Tune Up Kit Fits all HRN216 Models Includes 17211-Z8B-901 Air Filter 98079-55846 Spark Plug 10W30 12oz Engine Oil 72531-VR8-M00 72511-VR8-M00 Lower and Upper Blade**Single Cylinder Repair**$59.50**9 rev11mo ago](https://www.amazon.com/dp/B0FHL2CZ81) [**Honda Lawn Mower Tune Up Kit for GCV160 GCV170 GCV190LA GCV200 GC190 & GC160 Engine - Kit Includes 17211-Z8B-901 Air Filter 98079-55846 Spark Plug and 08213-10W30 12oz Bottle of 10W-30 Motor Oil**Honda**$23.51**131 rev1y ago](https://www.amazon.com/dp/B0F23C9M7J) [**KINDZA Genuine Tune up kit for Honda GCV135 GC160 GCV160 GCV190 GC135 Lawn Mower HRR216 HRC216 HRT216 HRX217 F220 WN20 w/Motor Oil Genuine 17211-ZL8-023 Air Filter Spark Plug 98079-55846**KINDZA**$22.89**103 rev1y ago](https://www.amazon.com/dp/B0DV4YCVX7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GENUINE TUNE UP KIT FOR HONDA GCV160 GCV170 GCV190LA GCV200 GC190 GC160 GC190 LAWN MOWER HRR216 HRS216 HRX217 HRX217K2 EB2800I EG2800I MOTOR OIL GENUINE AIR FILTER 17211-Z8B-901 SPARK PLUG 98079-55846**KINDZA**$24.73**4.8★**▲ 99%**](https://www.amazon.com/dp/B0DV4XKLD9) [**Genuine Honda Lawn Mower Tune Up Kit Fits all HRN216 Models Includes 17211-Z8B-901 Air Filter 98079-55846 Spark Plug 10W30 12oz Engine Oil 72531-VR8-M00 72511-VR8-M00 Lower and Upper Blade**Single Cylinder Repair**$59.50**4.8★**▲ 97%**](https://www.amazon.com/dp/B0FHL2CZ81) [**Honda 08213-10W30 Oil - 12 oz (2 Pack)**Honda**$13.78**4.8★**▲ 69%**](https://www.amazon.com/dp/B083WPQ3N1) [**Valvoline 4-Stroke Motorcycle 10W-40 Motor Oil 1 Quart**Valvoline**$6.47**4.8★**▲ 61%**](https://www.amazon.com/dp/B00C70TMLE) [**Genuine OEM SAE 10W30 Power Equipment Oil 08213-10W30 For Honda Small Engines Lawn Mowers Generators (1)**Generic**$12.92**4.8★**▲ 48%**](https://www.amazon.com/dp/B0G3TVGYX6)
**~~View all trending →~~**
## **What buyers say about john deere d140 parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“A quality oil from a trusted brand”*
**Lubrication**16%
*“Good lubricant”*
**Advertised Vs Actual Product**14%
*“As advertised”*
**Value For Money**13%
*“a reasonable price”*
**Assembly/Installation**6%
*“Delivered fast, and installed even faster”*
**Size-Overall**5%
*“It was perfect fit”*
**Motor Power**4%
*“My Engine loves it”*
**Ease Of Use**4%
*“Easy to use”*
**Efficiency**2%
*“Put it in my lawn mower ran great”*
**Correct Contents**2%
*“Includes all items indicated”*
### **What buyers complain about **
**Value For Money**21%
*“Could be a little bit cheaper on the price”*
**Size-Overall**15%
*“Too small amount”*
**Leak-Proof**8%
*“It came damaged and leaking oil”*
**Motor Issues**8%
*“wanted Valvoline for the engine”*
**Durability**4%
*“filter barely lasted a half season”*
**Filtration**4%
*“filter barely lasted a half season”*
**Heating**4%
*“Before, it would stop as soon as it started, which was very troublesome, especially when it was cold”*
**Defective Material/Parts**4%
*“hard to find parts”*
### **Top return reasons **
**Value For Money**19%
**Compatibility-Overall**18%
**Leak-Proof**15%
**Lubrication**13%
**Advertised Vs Actual Product**8%
**Size-Overall**6%
**Defective Material/Parts**5%
**Functionality-Overall**4%
**Motor Issues**2%
**Product Condition**1%
## **Common questions**
- **Is john deere d140 parts profitable to sell on Amazon United States?**
- The niche generates $55K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +49.3%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the john deere d140 parts niche?**
- 9 brands and 53 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in john deere d140 parts?**
- Top complaints mined from reviews: Value For Money, Size-Overall, Leak-Proof. The return rate is 0.4%.
- **When does demand for john deere d140 parts peak?**
- Demand peaks in Apr–May–Oct; the busiest month runs 5.9× the quietest.
- **What does it cost to enter the john deere d140 parts niche?**
- Listings span $6.47–$59.50; the average listing price is $18.19 (sweet spot $15–$100). The average incumbent carries 811 reviews — the moat a new listing must climb.
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