Is coil spring spacer profitable to sell on Amazon United States?

The niche generates $72K/yr across 34 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +11.0%. Flapen's verdict: Worth a look (55/100).

How competitive is the coil spring spacer niche?

24 brands and 51 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in coil spring spacer?

Top complaints mined from reviews: Size-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 5.5% — above our launch gate.

When does demand for coil spring spacer peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the coil spring spacer niche?

Listings span $7.26–$52.60; the average listing price is $19.52 (sweet spot $15–$100). The average incumbent carries 138 reviews — the moat a new listing must climb.

coil spring spacer

Worth a look

Shows a thin review moat (138 avg reviews), but a small market ($72K/yr) keeps it on the watch list.

Review moat

Great137.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$19.52

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great$7.26–$52.60

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Great39%

top-5 click share — an open shelf

Brand share

Great60%

top-5 brand share — no brand owns this niche

Conversion

Okay3.4%

search→purchase rate — share of searches ending in a sale

Growth

Okay+11.0%

90-day search growth — must beat 0% to launch

Returns

Bad5.5%

return rate — above 5% kills the launch gate

Market size

Bad$72K

$72K/yr · 107K searches

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, coil spring spacer is a $72K/yr Amazon United States market (107K searches/yr). The top 5 brands hold 60% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

coil spring spacer market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $59K–$78K; units × avg price
Conversion rate: 3.4%
Avg BSR: #1,756
Page quality: 0%
Prime: 97%
Sponsored: 65%
Out of stock: 0.0%
Avg brand age: 52 months
Avg seller age: 175 days

Competition & brand share

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

Brands

24 falling

Sellers

Top-5 brand share

60%

Top 20: 97%

Top-5 click share

39%

Top 20: 87%

Open market

35%

Stacool17%
Figpade14%
Salior13%
WINTOWIN10%
Mr. Gasket6%
KIFIDAN5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top coil spring spacer search terms

coil spring spacer52K/yr +7.8%2.9% conv.
coil spring spacers15K/yr +35.2%3.1% conv.
coil spring booster11K/yr +24.5%2.7% conv.
spring spacers8K/yr -0.5%3.2% conv.
rear coil spring spacer5K/yr +11.9%1.0% conv.
shock spacers5K/yr +7.8%1.1% conv.
coil spacers5K/yr -2.4%2.3% conv.
spring spacers for cars5K/yr -3.8%3.3% conv.

All search terms

Top coil spring spacer 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.

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

4PCS Rubber Coil Spring Spacers Heavy Duty Front Coil Spring Booster Kit for 1 to 1.5 Coil Spring Lift Universal Rubber Lift Blocks Car Accessories for Most Cars Trucks SUVs (4PCS)

Stacool$8.014.2★278 rev

2PCS Coil Spring Spacer for 5-5.5 Inch Car Enhance Spring Rate Heavy-Duty Coil Spring Booster of Vibration Damping Thick Rubber Washers Universal Coil Spring Spacers for Car Accessories

Salior$15.594.2★179 rev

8PCS Coil Spring Spacer Lifts Spring 1 to 1.5 Heavy Duty Rubber Coil Spring Booster Enhances Front and Rear Springs Rate Universal Coil Spring Spacers Car Accessories for Coil Springs (8PCS)

Figpade$12.804.3★48 rev

Mr. Gasket - 1282 Coil Spring Boosters- Twist-Ins-4

Mr. Gasket$24.414.2★175 rev

2PCS Heavy Duty Coil Spring Spacers B Type Universal Rear Coil Springs Spacer for Enhancing Spring Rate with 1.45-1.65 Spacing Professional Automotive Rear Springs Booster

Figpade$15.844.3★58 rev

Newest

by launch date

2PCS Front/Rear Coil Spring Spacers for Cars with Ties Heavy Duty Car Coil Spring Booster for 1.45-1.65 Springs Spacing Essential Spacers for Car Coils Springs

TSIEBRV$14.875 rev

6mo ago

2PCS Upgraded Front & Rear Coil Spring Spacers for Cars with Ties Shock Absorbing Car Coil Spring Booster Fits Spacing 1.45-1.65 Heavy Duty Spacers for Coils Springs Car Accessories

Purthog$14.9915 rev

7mo ago

YTFRL 8 PCS Car Coil Spring Spacers Heavy Duty Rubber Spring Spacers for 1 to 1.5 Coil Springs Lift Universal Front Springs Booster Lift Blocks for Most Cars SUVs Trucks RVs

YTFRL$12.0010 rev

12mo ago

6PCS Universal Heavy-Duty Rubber Coil Spring Spacers for 1-1.5 Spring Spacing Enhances Spring Rate & Reduces Vibration Coil Spring Lift Spacer for Jeep Wrangler for Toyota Tacoma Truck SUV

ZOSANY$23.683 rev

1y ago

2PCS Heavy Duty Coil Spring Spacers B Type Universal Rear Coil Springs Spacer for Enhancing Spring Rate with 1.45-1.65 Spacing Professional Automotive Rear Springs Booster

Figpade$15.8458 rev

1y ago

What buyers say about coil spring spacer

What buyers praise and complain about, mined from review topics.

What buyers love

Assembly/Installation18%

“Not too bad of an install”

Size-Overall14%

“Fits good and works as advertised”

Quality-Overall13%

“Improved Ride Quality”

Value For Money12%

“Good price”

Advertised Vs Actual Product10%

“As advertised”

Efficiency9%

“Works Great”

Ease Of Use4%

“It is a simple”

Durability3%

“Very durable”

Material Quality3%

“The material feels like the upgraded polyurethane bushings”

Functionality-Overall3%

“These are great if your supension is sagging”

What buyers complain about

Size-Overall19%

“Bolts are too short”

Functionality-Overall16%

“Didn't work”

Compatibility-Overall10%

“Rating based more on compatibility issue than product quality”

Assembly/Installation6%

“Very frustrating and difficult to install properly the way you think they should”

Value For Money4%

“they're very expensive”

Durability4%

“Crumbled and broke up in 1 day”

Advertised Vs Actual Product4%

“Poor description, bought it for my wifes Elantra and on Amazon it said it fits the car”

Ease Of Use4%

“cant be used”

Maintenance And Repair3%

“Too much modification needed”

Hard Feel3%

“Too hard”

Top return reasons

Size-Overall59%

Compatibility-Overall12%

Advertised Vs Actual Product8%

Functionality-Overall4%

Assembly/Installation3%

Defective Material/Parts2%

Material Quality2%

Value For Money1%

Quality-Overall1%

Width1%

Common questions

Is coil spring spacer profitable to sell on Amazon United States?: The niche generates $72K/yr across 34 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +11.0%. Flapen's verdict: Worth a look (55/100).
How competitive is the coil spring spacer niche?: 24 brands and 51 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in coil spring spacer?: Top complaints mined from reviews: Size-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 5.5% — above our launch gate.
When does demand for coil spring spacer peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the coil spring spacer niche?: Listings span $7.26–$52.60; the average listing price is $19.52 (sweet spot $15–$100). The average incumbent carries 138 reviews — the moat a new listing must climb.