---
title: "Aluminum Trailer Fenders — $7K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/aluminum-trailer-fenders"
last_updated: "2026-08-09T16:23:28.868Z"
locale: en
meta:
  description: "Niche score 42/100 · $7K/yr market · 39K searches/yr · $133.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 42/100 · $7K/yr market · 39K searches/yr · $133.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Aluminum Trailer Fenders — $7K/yr Amazon US Niche (2026) - Flapen"
---

# **aluminum trailer fenders**

**Skip it**

A small market ($7K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 52Conversion 2Competition 68Returns 57Price range 13Avg price 64Brand share 30Review moat 90Quality gap 60

**Review moat**

**Great****202.68**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****44%**

top-5 click share — leaders hold, buyers still browse

**Avg price**

**Good****$133.54**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Returns**

**Good****2.7%**

return rate — above 5% kills the launch gate

**Growth**

**Good****+23.8%**

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

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Price range**

**Bad****$57.12–$375.24**

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

**Market size**

**Bad****$7K**

$7K/yr · 39K searches

**Conversion**

**Bad****0.1%**

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

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, aluminum trailer fenders is a $7K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Aug. Verdict: Skip it — 42/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **aluminum trailer fenders market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**250–500**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$33K–$67K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#111**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**53%**</dd>

<dt>**Sponsored**</dt><dd>**74%**</dd>

<dt>**Out of stock**</dt><dd>**6.3%**</dd>

<dt>**Avg brand age**</dt><dd>**56 months**</dd>

<dt>**Avg seller age**</dt><dd>**185 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**14 **▼falling

**Sellers**

**19**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**44%**

Top 20: 85%

**Open market**

**10%**

- Tie Down28% - JY PERFORMANCE15% - RecPro15% - HECASA15% - ECOTRIC14% - Tough Grade3% - Open — no brand owns it (8 brands, 10%)

## **Demand & seasonality**

Weekly Amazon search volume, last 88 weeks — +23.8% search growth over the last 90 days.

1K600Spike '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Aug · busiest ÷ quietest = 1.9×

[**Open Trend **](https://flapen.com/research/us/automotive/aluminum-trailer-fenders/trend)

## **Top aluminum trailer fenders search terms**

- **aluminum trailer fenders**17K/yr+22.9%1.0% conv. - **diamond plate trailer fenders**8K/yr+30.1%0.4% conv. - **enclosed trailer fenders**5K/yr+39.4%0.8% conv. - **enclosed trailer fender**5K/yr-2.1%1.2% conv. - **aluminum trailer fender**4K/yr+32.8%1.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/aluminum-trailer-fenders/search-terms)

## **Top aluminum trailer fenders 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%$2718%$54212%$81416%$1K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Square Trailer Fenders Single Axle for 14-16 Wheels Fits Utility Boat Cargo Trailers 16 Gauge Diamond Plate Steel 32x13x9 Heavy Duty](https://m.media-amazon.com/images/I/41U6DK5Ar9L.jpg)**Square Trailer Fenders Single Axle for 14-16 Wheels Fits Utility Boat Cargo Trailers 16 Gauge Diamond Plate Steel 32x13x9 Heavy Duty**JY PERFORMANCE**$79.96**4.2★149 rev](https://www.amazon.com/dp/B0FD861G6S) [2![ECOTRIC 2Pcs Tandem Trailer Fender Double Axle Compatible with 13-15 Inch Wheels Teardrop Pair Enclosed Trailers 66.5 x 9 x 18.37 - Cold Rolled Steel](https://m.media-amazon.com/images/I/41uQ1uA3l2L.jpg)**ECOTRIC 2Pcs Tandem Trailer Fender Double Axle Compatible with 13-15 Inch Wheels Teardrop Pair Enclosed Trailers 66.5 x 9 x 18.37 - Cold Rolled Steel**ECOTRIC**$168.14**4.4★249 rev](https://www.amazon.com/dp/B087M18YPY) [3![RecPro 10 x 72 x 20 Aluminum Tandem Fender | Diamond Plate](https://m.media-amazon.com/images/I/31sZJf34TXL.jpg)**RecPro 10 x 72 x 20 Aluminum Tandem Fender | Diamond Plate**RecPro**$173.16**4.5★78 rev](https://www.amazon.com/dp/B0DT4XR718) [4![Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels (Requires 14.88 Overall Tire Diameter) 33.74 L x 9 W x 14.88 H (2 Fenders)](https://m.media-amazon.com/images/I/41bFYdSqo0L.jpg)**Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels (Requires 14.88 Overall Tire Diameter) 33.74 L x 9 W x 14.88 H (2 Fenders)**Tie Down**$117.74**4.5★437 rev](https://www.amazon.com/dp/B0CRSNT56S) [5![Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels (Requires 14.88 Overall Tire Diameter) 33.74 L x 9 W x 14.88 H (1 Fender)](https://m.media-amazon.com/images/I/31AlMbOResL.jpg)**Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels (Requires 14.88 Overall Tire Diameter) 33.74 L x 9 W x 14.88 H (1 Fender)**Tie Down**$57.65**4.5★437 rev](https://www.amazon.com/dp/B00EVIN5OU)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ALMULOO Aluminum Diamond Plate Tandem Axles Trailer Fenders Universal Compatible with Most 14 15 16 Tires Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer 1 Pcs Silvery](https://m.media-amazon.com/images/I/21ra++oc8PL.jpg)**ALMULOO Aluminum Diamond Plate Tandem Axles Trailer Fenders Universal Compatible with Most 14 15 16 Tires Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer 1 Pcs Silvery**ALMULOO**$157.06**2 rev5mo ago](https://www.amazon.com/dp/B0GJRQ2S9P) [![HECASA 2 Pack Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery](https://m.media-amazon.com/images/I/31Xb9xqXFgL.jpg)**HECASA 2 Pack Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery**HECASA**$193.13**3 rev6mo ago](https://www.amazon.com/dp/B0GCZGH1B7) [![ECOTRIC Pair Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery](https://m.media-amazon.com/images/I/31ARcSxcV1L.jpg)**ECOTRIC Pair Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery**ECOTRIC**$203.74**2 rev6mo ago](https://www.amazon.com/dp/B0GCZN2YP6) [![HECASA Diamond Plate Round Single Axle Trailer Fender Universal Fits Most 13-15 Tires Aluminium Silvery 2PCS 31.48 L x 9.11 W x 15.24 H](https://m.media-amazon.com/images/I/41MP8Lyf8HL.jpg)**HECASA Diamond Plate Round Single Axle Trailer Fender Universal Fits Most 13-15 Tires Aluminium Silvery 2PCS 31.48 L x 9.11 W x 15.24 H**HECASA**$99.19**4 rev6mo ago](https://www.amazon.com/dp/B0G6YMM6V4) [![Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels 31.48 L x 8 W x 13.12 H (2 Fenders)](https://m.media-amazon.com/images/I/41NTdLsimRL.jpg)**Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels 31.48 L x 8 W x 13.12 H (2 Fenders)**Tie Down**$100.63**437 rev10mo ago](https://www.amazon.com/dp/B0FQ81TVZV)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels 31.48 L x 8 W x 13.12 H (2 Fenders)](https://m.media-amazon.com/images/I/41NTdLsimRL.jpg)**Tie Down Trailer Fenders Single Axle Diamond Plated Made in USA Aluminum Trailer Fender for 13-16 Wheels 31.48 L x 8 W x 13.12 H (2 Fenders)**Tie Down**$100.63**4.5★**▲ 152%**](https://www.amazon.com/dp/B0FQ81TVZV) [![HECASA Single Axle Trailer Fenders W/Fender Backs Fits 14 to 16 Wheels - 32 x 9 x 15 Replacement for Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer Steel Round (2Pcs)](https://m.media-amazon.com/images/I/31DZajtbn1L.jpg)**HECASA Single Axle Trailer Fenders W/Fender Backs Fits 14 to 16 Wheels - 32 x 9 x 15 Replacement for Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer Steel Round (2Pcs)**HECASA**$88.54**4.6★**▲ 116%**](https://www.amazon.com/dp/B08NFRJ9Z1) [![Tie Down | 15 Wheel - Trailer Fenders Single Axle - Smooth Aluminum - Made in USA Trailer Fender - Utility Trailer 36 Long 9 Wide 18 Tall (2 Fenders)](https://m.media-amazon.com/images/I/31wUvlS+T9L.jpg)**Tie Down | 15 Wheel - Trailer Fenders Single Axle - Smooth Aluminum - Made in USA Trailer Fender - Utility Trailer 36 Long 9 Wide 18 Tall (2 Fenders)**Tie Down**$111.60**4.4★**▲ 114%**](https://www.amazon.com/dp/B0D98QFPSR) [![Flat Square Smooth Aluminum Cargo Trailer Fender 34 L x 17.25 H x 10 W 1 Pack Heavy-Duty](https://m.media-amazon.com/images/I/21gFQqZCiQL.jpg)**Flat Square Smooth Aluminum Cargo Trailer Fender 34 L x 17.25 H x 10 W 1 Pack Heavy-Duty**CTW**$81.19**3.9★**▲ 89%**](https://www.amazon.com/dp/B0BGT6951L) [![ALMULOO Aluminum Diamond Plate Tandem Axles Trailer Fenders Universal Compatible with Most 14 15 16 Tires Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer 1 Pcs Silvery](https://m.media-amazon.com/images/I/21ra++oc8PL.jpg)**ALMULOO Aluminum Diamond Plate Tandem Axles Trailer Fenders Universal Compatible with Most 14 15 16 Tires Car Hauler Trailer Cargo Trailer Utility Trailer Landscape Trailer 1 Pcs Silvery**ALMULOO**$157.06**3.0★**▲ 87%**](https://www.amazon.com/dp/B0GJRQ2S9P)

**~~View all trending →~~**

## **What buyers say about aluminum trailer fenders**

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

### **What buyers love **

**Size-Overall**20%

*“Good fit”*

**Quality-Overall**17%

*“Overall nice fenders”*

**Value For Money**11%

*“Good value”*

**Advertised Vs Actual Product**8%

*“Exactly as described”*

**Strength**4%

*“well built”*

**Weight Heavy**4%

*“Heavy duty”*

**Assembly/Installation**4%

*“Easy installation”*

**Rusts/Corrodes**3%

*“perfect solution to replace rusted out fenders”*

**Design-Overall**3%

*“Looks and works great”*

**Material Quality**3%

*“Better material than I expected”*

### **What buyers complain about **

**Rusts/Corrodes**10%

*“Rusted in a Couple Days”*

**Advertised Vs Actual Product**10%

*“Not at all as advertised”*

**Size-Overall**9%

*“was shorter than i thought”*

**Thickness**7%

*“These new ones are thicker sheet metal than the stock ones that came with the King”*

**Metal Quality**6%

*“not the best metal”*

**Strength**5%

*“they would wobble like crazy”*

**Quality-Overall**5%

*“Junk quality”*

**Mounting**4%

*“I also would have liked a little more flange to mount it with”*

**Flexibility**3%

*“Can stand on the fenders with no flex at all without support bars”*

**Thin**2%

*“They are very thin”*

### **Top return reasons **

**Size-Overall**58%

**Width**7%

**Compatibility-Overall**5%

**Advertised Vs Actual Product**5%

**Rusts/Corrodes**3%

**Mounting**3%

**Assembly/Installation**2%

**Defective Material/Parts**2%

**Quality-Overall**2%

**Thin**2%

## **Common questions**

<dl>

<dt>**Is aluminum trailer fenders profitable to sell on Amazon United States?**</dt><dd>The niche generates $7K/yr across 34 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is +23.8%. Flapen's verdict: Skip it (42/100).</dd>

<dt>**How competitive is the aluminum trailer fenders niche?**</dt><dd>14 brands and 19 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in aluminum trailer fenders?**</dt><dd>Top complaints mined from reviews: Rusts/Corrodes, Advertised Vs Actual Product, Size-Overall. The return rate is 2.7%.</dd>

<dt>**When does demand for aluminum trailer fenders peak?**</dt><dd>Demand peaks in Aug; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the aluminum trailer fenders niche?**</dt><dd>Listings span $57.12–$375.24; the average listing price is $133.54 (sweet spot $15–$100). The average incumbent carries 203 reviews — the moat a new listing must climb.</dd>

</dl>

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