trailing arm
Worth a lookShows a fragmented shelf (top 5 take 7% of clicks), but weak search conversion (1.0%) keeps it on the watch list.
Competition
Incredible7%top-5 click share — an open shelf
Brand share
Great55%top-5 brand share — no brand owns this niche
Review moat
Good546.95avg incumbent reviews — the moat a new listing must climb
Avg price
Good$102.70avg listing price — sweet spot $15–$100
Market size
Good$333K$333K/yr · 318K searches
Returns
Okay3.8%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-1.7%90-day search growth — must beat 0% to launch
Price range
Bad$8.54–$498.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, trailing arm is a $333K/yr Amazon United States market (318K searches/yr). The top 5 brands hold 55% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
trailing arm market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $411K–$514K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #3,328
- Page quality
- 0%
- Prime
- 76%
- Sponsored
- 73%
- Out of stock
- 3.0%
- Avg brand age
- 47 months
- Avg seller age
- 166 days
Competition & brand share
Clicks spread well past the top 5 (7% combined) — an open shelf where new products get seen.Brands
68 falling
Sellers
151
Top-5 brand share
55%
Top 20: 84%
Top-5 click share
7%
Top 20: 19%
Open market
53%
- TRQ13%
- A-Premium11%
- Detroit Axle9%
- maXpeedingrods5%
- Dorman5%
- MOOG4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top trailing arm search terms
- rear control arm107K/yr
- rear lower control arm76K/yr
- rear control arm kit42K/yr
- rear control arms29K/yr
- suspensin trasera24K/yr
- rear suspension parts12K/yr
- rear lower control arm kit9K/yr
- rear end suspension kit9K/yr
- complete rear suspension kit4K/yr
- rear suspension kit complete3K/yr
Top trailing arm 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
Dorman 522-005 Rear Lower Rearward Suspension Control Arm Compatible with Select Infiniti/Nissan Models
Dorman$45.684.6★53 rev

6 PCS Rear Suspension Kit for Jeep Compass Patriot 2007-2017 for Dodge Caliber 2007-2012 Rear Lower Control Arms + Upper Lateral Arms + Lower Rearward Lateral Toe Arms K641226 K641868 K641281
Autsurles$83.804.5★47 rev

TRQ Rear Suspension Kit 8 Piece with New Body Style for Chevrolet
TRQ$158.344.9★27 rev

maXpeedingrods 2Pcs Rear Aluminum Lower Control Arms w/Poly Bushings for Honda Civic 1988-1995 Acura Integra 1990-2001 CRX Del Sol Rear Suspension Kit
maXpeedingrods$55.854.5★62 rev

maXpeedingrods Rear Control Arms Kit for Ford Mustang Mercury Capri 1979-2004 Cobras 1993-1998 4/6/8 Cyl. 4 Pc
maXpeedingrods$103.134.5★47 rev
Newest
by launch date
Detroit Axle - 4pc Rear Suspension Kit for Nissan Armada Pathfinder Pathfinder Armada INFINITI QX56 2 Lower Forward Control Arms with Ball Joint 2 Stabilizer Sway Bar End Links Replacement
Detroit Axle$169.951,963 rev

A-Premium 2 x Rear Lower Control Arms with Bushing Compatible with Ford Explorer 2011-2019 Taurus 2010-2019 Flex Police Interceptor Sedan Utility Special Service Police Sedan & Lincoln MKS MKT
A-Premium$130.565 rev

TRQ Rear Lower Rearward 2 Piece Control Arm Driver & Passenger Side Set for Explorer Flex MKS MKT Police Interceptor Special Service Police Sedan Taurus CMS40187 522-797 CP1533
TRQ$128.121,482 rev

A-Premium 2 x Rear Rearward Lower Control Arm with Bushing Compatible with Subaru & Toyota & Scion - 2009-2024 - Outback Forester Impreza Crosstrek Legacy XV Crosstrek BRZ WRX WRX STI 86 FR-S
A-Premium$80.138 rev

A-Premium 2 x Rear Lower Rearward Control Arm with Bushing Compatible with Nissan Pathfinder 2005-2012 Armada 2006-2015 & Infiniti QX56 2007-2010
A-Premium$117.1318 rev
Trending
90-day click momentum
Detroit Axle - 4pc Rear Suspension Kit for Nissan Armada Pathfinder Pathfinder Armada INFINITI QX56 2 Lower Forward Control Arms with Ball Joint 2 Stabilizer Sway Bar End Links Replacement
Detroit Axle$169.954.5★

Detroit Axle - 2 Rear Lower Control Arms for 2005-2023 Chrysler 300 2006-2023 Dodge Charger 2008-2023 Challenger Pair Control Arms Replacement
Detroit Axle$109.034.5★

TRQ Rear Lower Rearward 2 Piece Control Arm Driver & Passenger Side Set for Explorer Flex MKS MKT Police Interceptor Special Service Police Sedan Taurus CMS40187 522-797 CP1533
TRQ$128.124.6★

Metrix Premium Chassis Parts - 2 PC Rear Lower Forward Control Arm Kit Fits 09-10 Dodge Journey 08-10 Avenger 07-10 Chrysler Cirrus (Mexico) 07-10 Sebring Replacement RK641853 Made in Europe
METRIX PREMIUM CHASSIS PARTS$36.224.8★

Detroit Axle - Rear Upper Control Arms Kit for 2011-2018 Ford Explorer 2010-2018 Taurus Flex 2 Rear Upper Control Arms Assembly 2 Sway Bars 2012 2013 2014 2015 2016 2017 Replacement
Detroit Axle$160.224.5★
What buyers say about trailing arm
What buyers praise and complain about, mined from review topics.What buyers love
“Direct fit”
“The build quality seems solid”
“Cant beat the price”
“install installed nicely”
“Product is as advertised”
“Perfect complete kit”
“Work great”
“seems durable”
“it is adjustable”
“Smooth ride”
What buyers complain about
“it doesn't fit”
“these probably aren't the quality most drivers of these car models need”
“making these not compatible at all”
“yet the part broke”
“parking brake mount”
“so don't expect these to last forever”
“Never had an opportunity to install these”
“Rusty”
“Rubber stop”
“They also feel very cheap aluminum”
Top return reasons
Common questions
- Is trailing arm profitable to sell on Amazon United States?
- The niche generates $333K/yr across 355 tracked products. 3 of 45 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Worth a look (51/100).
- How competitive is the trailing arm niche?
- 68 brands and 151 sellers compete. The top 5 products take 7% of clicks and top 5 brands hold 55% of demand.
- What do buyers complain about in trailing arm?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Compatibility-Overall. The return rate is 3.8%.
- When does demand for trailing arm peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the trailing arm niche?
- Listings span $8.54–$498.43; the average listing price is $102.70 (sweet spot $15–$100). The average incumbent carries 547 reviews — the moat a new listing must climb.