rear axle
Skip itHigh returns (10.4%) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Competition
Great25%top-5 click share — an open shelf
Review moat
Great219.2avg incumbent reviews — the moat a new listing must climb
Avg price
Good$153.89avg listing price — sweet spot $15–$100
Brand share
Okay85%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–$463.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Returns
Bad10.4%return rate — above 5% kills the launch gate
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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
Top rear axle search terms
- rear axle53K/yr
- rear axle shaft28K/yr
- automotive replacement axle shafts5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$163.834.1★96 rev
Dorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$96.215.0★2 rev
Dorman 630-146A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$120.970.0★0 rev
Spicer SVL 2023686-7 Rear Axle Shaft for Ford
Spicer$89.604.1★21 rev
Dorman 630-325 Drive Axle Shaft Compatible with Select Cadillac / Chevrolet / GMC Models
Dorman$238.994.1★22 rev
Newest
by launch dateDorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$96.212 rev
Dorman 630-146A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$120.970 rev
Dorman 630-413A Rear Drive Axle Shaft Compatible with Select Ford/Lincoln/Mercury Models
Dorman$113.314 rev
Dorman 630-324A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$127.040 rev
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$210.644 rev
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$60.763.4★
Rear Axle Kit Fits GM 8.5/8.6 Diff 30 Spline 6 Lug LH 33.6 Long
USA Standard Gear$97.610.0★
Rear Axle Kit Fits Ford 8.8 Diff 28 Spline w/ABS 32-7/16 Long 2.25 Bearing
USA Standard Gear$83.703.1★
Dorman 630-120A Rear Drive Axle Shaft Compatible with Select Cadillac/Chevrolet/GMC Models
Dorman$96.215.0★
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$194.664.7★
What buyers say about rear axle
What buyers praise and complain about, mined from review topics.What buyers love
“This is a perfect fit”
“Fair price for good quality part”
“Fair price”
“Came with everything needed”
“Make sure to grease both sides of ends to avoid rust other then that enjoy your new part***** 5stars”
“Putting the studs in were not hard either”
“As advertised and more”
“I have no leaks like others are saying that it produces”
What buyers complain about
“The wheel studs do not fit”
“May not last”
“Seal is leaking only 3 days after installation”
“The quality is very poor”
“False info not a rear axle for a 2005 outback”
“Do not fit 2025 Polaris sportsman 450 ho”
“The wheel studs do not fit”
“They need to replace it”
“Bad heat treatment”
“it is not designed properly”
Top return reasons
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.