---
title: "Rear Axle — $137K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/rear-axle"
last_updated: "2026-08-05T18:31:10.846Z"
locale: en
meta:
description: "Niche score 44/100 · $137K/yr market · 86K searches/yr · $153.89 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $137K/yr market · 86K searches/yr · $153.89 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rear Axle — $137K/yr Amazon US Niche (2026) - Flapen"
---
# **rear axle**
**Skip it**
High returns (10.4%) — this niche doesn't clear our bar today.
Market size 30Growth 25Conversion 13Competition 90Returns 6Price range 14Avg price 57Brand share 34Review moat 89Quality gap 91
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Competition**
**Great****25%**
top-5 click share — an open shelf
**Review moat**
**Great****219.2**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$153.89**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$137K**
$137K/yr · 86K searches
**Growth**
**Bad****-1.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$39.98–$463.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****10.4%**
return rate — above 5% kills the launch gate
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, rear axle is a $137K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 44/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rear axle market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$154K–$192K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#923**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **59%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **181 days**
## **Competition & brand share**
Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.
**Brands**
**15 **▼falling
**Sellers**
**83**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**25%**
Top 20: 60%
**Open market**
**13%**
- Dorman39% - A-Premium21% - Spicer11% - USA Standard Gear9% - TRQ4% - Ten Factory3% - Open — no brand owns it (9 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.0% search growth over the last 90 days.
2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/automotive/rear-axle/trend)
## **Top rear axle search terms**
- **rear axle**53K/yr-2.3%0.2% conv. - **rear axle shaft**28K/yr+2.5%0.2% conv. - **automotive replacement axle shafts**5K/yr-7.3%0.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/rear-axle/search-terms)
## **Top rear axle 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%4%$5K8%$11K12%$16K16%$22K110100 Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**A-Premium Rear Axle Shaft Assembly with Axle Bearing and Seal Compatible with Jeep Wrangler 2007-2011 3.8L Wrangler 2012-2018 3.6L Wrangler JK 2018 3.6L Rear Left or Right Replace# 68003272AA**A-Premium**$163.83**4.1★96 rev](https://www.amazon.com/dp/B0C1SPPG4W) [2**Dorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$96.21**5.0★2 rev](https://www.amazon.com/dp/B0FBS8HF84) [3**Dorman 630-146A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$120.97**0.0★0 rev](https://www.amazon.com/dp/B0FBSB8P5D) [4**Spicer SVL 2023686-7 Rear Axle Shaft for Ford**Spicer**$89.60**4.1★21 rev](https://www.amazon.com/dp/B00JS09KYK) [5**Dorman 630-325 Drive Axle Shaft Compatible with Select Cadillac / Chevrolet / GMC Models**Dorman**$238.99**4.1★22 rev](https://www.amazon.com/dp/B00C24TTOK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$96.21**2 rev1y ago](https://www.amazon.com/dp/B0FBS8HF84) [**Dorman 630-146A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$120.97**0 rev1y ago](https://www.amazon.com/dp/B0FBSB8P5D) [**Dorman 630-413A Rear Drive Axle Shaft Compatible with Select Ford/Lincoln/Mercury Models**Dorman**$113.31**4 rev1y ago](https://www.amazon.com/dp/B0FBSC5RYX) [**Dorman 630-324A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$127.04**0 rev1y ago](https://www.amazon.com/dp/B0FBSBQ381) [**A-Premium Rear Left Driver Side Axle Shaft Assembly With Bearing and Seal Compatible with Jeep Wrangler JK 2007-2018 Rubicon and Unlimited Rubicon Only For Dana Super 44 Rear Axle 32 Splines**A-Premium**$210.64**4 rev1y ago](https://www.amazon.com/dp/B0DQWNDC85)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**A-Premium CV Axle Shaft Assembly Compatible with Subaru Legacy 2005 2006 2008 2009 H4 2.5L Naturally Aspirated Outback 2005 2006 2009 H4 2.5L H6 3.0L Automatic Transmission Only Rear Left or Right**A-Premium**$60.76**3.4★**▲ 164%**](https://www.amazon.com/dp/B09R3VPVNZ) [**Rear Axle Kit Fits GM 8.5/8.6 Diff 30 Spline 6 Lug LH 33.6 Long**USA Standard Gear**$97.61**0.0★**▲ 156%**](https://www.amazon.com/dp/B0B35QDJM5) [**Rear Axle Kit Fits Ford 8.8 Diff 28 Spline w/ABS 32-7/16 Long 2.25 Bearing**USA Standard Gear**$83.70**3.1★**▲ 107%**](https://www.amazon.com/dp/B0B35PS9W6) [**Dorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models**Dorman**$96.21**5.0★**▲ 102%**](https://www.amazon.com/dp/B0FBS8HF84) [**A-Premium Pair (2) Rear Driver and Passenger Side CV Axle Shaft Assembly Compatible with INFINITI G25 2011-2012 G35 Sedan 2007-2008 G37 Sedan 2009-2013 Q40 2015 & Nissan 370Z 2009-2020**A-Premium**$194.66**4.7★**▲ 94%**](https://www.amazon.com/dp/B0DJXRFY9X)
**~~View all trending →~~**
## **What buyers say about rear axle**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**40%
*“This is a perfect fit”*
**Quality-Overall**22%
*“Fair price for good quality part”*
**Value For Money**12%
*“Fair price”*
**Correct Contents**7%
*“Came with everything needed”*
**Rusts/Corrodes**7%
*“Make sure to grease both sides of ends to avoid rust other then that enjoy your new part*** 5stars”*
**Assembly/Installation**5%
*“Putting the studs in were not hard either”*
**Advertised Vs Actual Product**3%
*“As advertised and more”*
**Leak-Proof**2%
*“I have no leaks like others are saying that it produces”*
### **What buyers complain about **
**Size-Overall**31%
*“The wheel studs do not fit”*
**Durability**15%
*“May not last”*
**Leak-Proof**12%
*“Seal is leaking only 3 days after installation”*
**Quality-Overall**8%
*“The quality is very poor”*
**Advertised Vs Actual Product**8%
*“False info not a rear axle for a 2005 outback”*
**Compatibility-Overall**8%
*“Do not fit 2025 Polaris sportsman 450 ho”*
**Wheel Quality**4%
*“The wheel studs do not fit”*
**Maintenance And Repair**4%
*“They need to replace it”*
**Heating**4%
*“Bad heat treatment”*
**Design-Overall**2%
*“it is not designed properly”*
### **Top return reasons **
**Size-Overall**38%
**Defective Material/Parts**14%
**Advertised Vs Actual Product**13%
**Compatibility-Overall**12%
**Assembly/Installation**8%
**Functionality-Overall**3%
**Thickness**2%
**Leak-Proof**2%
**Quality-Overall**1%
**Width**1%
## **Common questions**
- **Is rear axle profitable to sell on Amazon United States?**
- The niche generates $137K/yr across 56 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.0%. Flapen's verdict: Skip it (44/100).
- **How competitive is the rear axle niche?**
- 15 brands and 83 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in rear axle?**
- Top complaints mined from reviews: Size-Overall, Durability, Leak-Proof. The return rate is 10.4% — above our launch gate.
- **When does demand for rear axle peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the rear axle niche?**
- Listings span $39.98–$463.77; the average listing price is $153.89 (sweet spot $15–$100). The average incumbent carries 219 reviews — the moat a new listing must climb.
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