quarter fenders for semi truck
Worth a lookShows a thin review moat (50 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible50.27avg incumbent reviews — the moat a new listing must climb
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Returns
Great1.2%return rate — above 6% kills the launch gate
Competition
Great31%top-5 click share — an open shelf
Brand share
Great56%top-5 brand share — no brand owns this niche
Market size
Good$475K$475K/yr · 126K searches
Avg price
Okay$257.30avg listing price — sweet spot $15–$100
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-16.7%90-day search growth — must beat 0% to launch
Price range
Bad$60.47–$1234.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.Brands
27 falling
Sellers
48
Top-5 brand share
56%
Open market
38%
- Gelacie15%
- Trux Accessories13%
- TBOZZ12%
- BA Products9%
- BST BSSP7%
- GaeaAuto7%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 55 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Trux Poly Half Fenders - Pair Black Item Number TFEN-H39
Trux Accessories$252.764.0★13 rev
Gelacie 30 x 24 Quarter Fenders for Semi Trucks Compatible with Freightliner Peterbilt Kenworth Volvo Mack 304 Stainless Steel Mirror-Finished Fenders Right & Left
Gelacie$146.334.5★71 rev
Stainless Steel Quarter Fender Set (24x24) Semi Truck in pair. With mounting tube.
TBOZZ$127.874.2★258 rev
TRUX Single Axle Poly Fenders - Pair Black
Trux Accessories$236.824.2★9 rev
SHINJEW Pair Black Poly Quarter Fenders Set for Semi Truck 24 x 24 Freightliner Kenworth Peterbilt with Hardware Heavy Duty Plastic Mud Flaps Kit
SHINJEW$72.884.6★78 rev
Newest
by launch date
24 X 24 Stainless Steel Quarter Fenders for Semi Truck Universal Fit Quarter Fender Set of 2 with Single Bolt Mount Brackets & Support Tube Fit for Freightliner Peterbilt Kenworth
Dream Apparel$124.802 rev
BST BSSP Pair 430 Stainless Steel 60 in Half Fenders Universal for Peterbilt Freightliner Kenworth Volvo Western Star Truck Heavy Duty w/Rolled Edge Polished Overall Right & Left Sides
BST BSSP$685.331 rev
MIAOKUI 24 x 24 Stainless Steel Quarter Fenders for Semi Trucks Fenders with Mounting Hardware
MIAOKUI$108.681 rev
GaeaAuto 24x34 Stainless Steel Quarter Fender Set Mud Flap Hangers fit for Semi Trucks Trailers 2 Pack
GaeaAuto$229.45116 rev
Adjustable Universal Center 1/2 Fender Mounting Bracket - Left Driver & Right Passenger Side Pair Compatible with Peterbilt Kenworth Mack Freightliner Volvo & Most Semi Trucks (2 Pack)
Draviple$140.661 rev
Trending
90-day click momentum24 X 24 Stainless Steel Quarter Fenders for Semi Truck Universal Fit Quarter Fender Set of 2 with Single Bolt Mount Brackets & Support Tube Fit for Freightliner Peterbilt Kenworth
Dream Apparel$124.803.5★
BST BSSP Pair 430 Stainless Steel 60 in Half Fenders Universal for Peterbilt Freightliner Kenworth Volvo Western Star Truck Heavy Duty w/Rolled Edge Polished Overall Right & Left Sides
BST BSSP$685.331.0★
MIAOKUI 24 x 24 Stainless Steel Quarter Fenders for Semi Trucks Fenders with Mounting Hardware
MIAOKUI$108.685.0★
Adjustable Universal Center 1/2 Fender Mounting Bracket - Left Driver & Right Passenger Side Pair Compatible with Peterbilt Kenworth Mack Freightliner Volvo & Most Semi Trucks (2 Pack)
Draviple$140.661.0★
Stainless Steel Quarter Fender 24 x 29inch for Semi Truck All Weather Resistance Universal Fit | 1.5mm Thickness | Easy Bolt-On Installation 1 Set (Triangle)
Yorovent$165.003.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -16.7% search growth over the last 90 days.Peak months: Mar, May · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality easy to assemble”
“Fits Perfect”
“Definitely worth it”
“easy to piece together”
“durable”
“As expected”
“good for now perfect fit with all hardware included good price”
“Good and easy”
“materials are light weight”
“Solidly built”
What buyers complain about
“Hardware is poor quality”
“Cracked”
“Had to buy longer bolts”
“Breaks easily”
“Deceptive pictures”
“Material dont last”
“Does not fit correctly”
“flaking rust”
“Assembly required”
“No instructions”