aluminum trailer fenders
Skip itA small market ($7K/yr) — this niche doesn't clear our bar today.
Review moat
Great202.68avg incumbent reviews — the moat a new listing must climb
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Avg price
Good$133.54avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.7%return rate — above 5% kills the launch gate
Growth
Good+23.8%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Price range
Bad$57.12–$375.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$7K$7K/yr · 39K searches
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
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
aluminum trailer fenders market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $33K–$67K
- units × avg price
- Conversion rate
- 0.1%
- Avg BSR
- #111
- Page quality
- 0%
- Prime
- 53%
- Sponsored
- 74%
- Out of stock
- 6.3%
- Avg brand age
- 56 months
- Avg seller age
- 185 days
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.Peak months: Aug · busiest ÷ quietest = 1.9×
Top aluminum trailer fenders search terms
- aluminum trailer fenders17K/yr
- diamond plate trailer fenders8K/yr
- enclosed trailer fenders5K/yr
- enclosed trailer fender5K/yr
- aluminum trailer fender4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Square Trailer Fenders Single Axle for 14-16 Wheels Fits Utility Boat Cargo Trailers 16 Gauge Diamond Plate Steel 32x13x9 Heavy Duty
JY PERFORMANCE$79.964.2★149 rev

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$168.144.4★249 rev

RecPro 10 x 72 x 20 Aluminum Tandem Fender | Diamond Plate
RecPro$173.164.5★78 rev

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$117.744.5★437 rev

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$57.654.5★437 rev
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
ALMULOO$157.062 rev

HECASA 2 Pack Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery
HECASA$193.133 rev

ECOTRIC Pair Diamond Plate Tandem Aluminum Teardrop Tread Plate Cargo Trailer Fenders Universal Fits Most 14 15 16 Tires Silvery
ECOTRIC$203.742 rev

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$99.194 rev

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$100.63437 rev
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)
Tie Down$100.634.5★

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$88.544.6★

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$111.604.4★

Flat Square Smooth Aluminum Cargo Trailer Fender 34 L x 17.25 H x 10 W 1 Pack Heavy-Duty
CTW$81.193.9★

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$157.063.0★
What buyers say about aluminum trailer fenders
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“Overall nice fenders”
“Good value”
“Exactly as described”
“well built”
“Heavy duty”
“Easy installation”
“perfect solution to replace rusted out fenders”
“Looks and works great”
“Better material than I expected”
What buyers complain about
“Rusted in a Couple Days”
“Not at all as advertised”
“was shorter than i thought”
“These new ones are thicker sheet metal than the stock ones that came with the King”
“not the best metal”
“they would wobble like crazy”
“Junk quality”
“I also would have liked a little more flange to mount it with”
“Can stand on the fenders with no flex at all without support bars”
“They are very thin”
Top return reasons
Common questions
- Is aluminum trailer fenders profitable to sell on Amazon United States?
- 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).
- How competitive is the aluminum trailer fenders niche?
- 14 brands and 19 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in aluminum trailer fenders?
- Top complaints mined from reviews: Rusts/Corrodes, Advertised Vs Actual Product, Size-Overall. The return rate is 2.7%.
- When does demand for aluminum trailer fenders peak?
- Demand peaks in Aug; the busiest month runs 1.9× the quietest.
- What does it cost to enter the aluminum trailer fenders niche?
- 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.