Trailer U Bolts
MaybeThe average product has only 67 reviews. But shoppers spend an estimated $63K a year here, so Trailer U Bolts is a Maybe.
- Flapen Score
- 55 / 100Top 23% of 7,287 Automotive niches · +6 vs the category median of 4955
- Market size
- $63K/yr57K searches / yr
- 90-day growth
- +24.0%search demand this quarter
- Competition
- 30%top-5 click share · 24 brands · 43 sellers
Flapen Score
Trailer U Bolts against its category
The dotted line is the Automotive average. Past it, Trailer U Bolts is stronger. Inside it, weaker.
Market
The Trailer U Bolts market on Amazon at a glance
Shoppers on Amazon United States searched for Trailer U Bolts 57K times last year and spent an estimated $63K. The top 5 brands take 72% of clicks. Demand peaks in Apr–May–Aug. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 3.3% of those searches ended in a purchase.
Shoppers searched for this 57K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.3% of those searches ended in a purchase. Searches in the last 90 days moved +24.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $63K a year.
- Searches, last 12 months
- 57K
- Growth, 90 days vs prior 90
- +24.0%
- Conversion, latest week
- 3.3%
- Market size, estimated
- $63Ka year
- Peak month
- April2.3× the quietest month
- Top search term
- trailer u bolts11K searches a year
02 · Price
A sale here is worth $34.27.
Listings sell for $34.27 on average, from $20.28 to $97.94. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $34.27 that is $0 to $3K a year per listing.
- Average price
- $34.27inside the $15 to $100 sweet spot
- Price range
- $20.28–$97.94
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 4.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #178 within Transmission & Drive Train. It carries 67 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 100%
- Out of stock, average day
- 2.9%
- Average rank
- #178in Transmission & Drive Train
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 67per listing
- Listings tracked
- 63
04 · Newcomers
1 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Trailer U Bolts products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Dorman 929-724 Rear Leaf Spring Axle U-Bolt Kit Compatible with Select Cadillac/Chevrolet/GMC Models
- Price
- $33.14
- Rating
- 4.7/5
- Reviews
- 61
- Age
- 2y ago

SPARKWHIZ Trailer U Bolt Kit 5-1/2 inch U Bolt for 3 500 lb Trailer Axle 2-3/8 Round Axle 1/2 Diameter 2 Thread Pitch
- Price
- $25.39
- Rating
- 4.8/5
- Reviews
- 220
- Age
- 3y ago

SPARKWHIZ Trailer U Bolt Kit 7 inch for 5 200-7 000 lb Trailer Axle 3 Round Axle 1/2 Diameter 2 Thread Pitch 2 Pack
- Price
- $44.67
- Rating
- 4.3/5
- Reviews
- 184
- Age
- 3y ago

Trailer U Bolt Kit for 5200-7000lbs 3 Round Axle Heavy Duty Trailer Axle U Bolts 7 Long 1/2 Diameter 2 Thread Pitch by MCCKLE
- Price
- $28.10
- Rating
- 4.3/5
- Reviews
- 113
- Age
- 2y ago

Dorman 929-723 Rear Leaf Spring Axle U-Bolt Kit Compatible with Select Cadillac/Chevrolet/GMC Models
- Price
- $25.45
- Rating
- 4.5/5
- Reviews
- 55
- Age
- 2y ago
Trending
estimated 90-day click momentum
A.A Square U Bolt with Hardware for Boat Trailer Galvanized Steel 1/2 Diameter x 3-1/16 x 4-5/16 for 3x3 Beam (4 Pack)
- Price
- $24.60
- Rating
- 4.7/5
- Reviews
- 134
- Age
- 2y ago

Racewill U Bolt Kit for Boat Trailer Axle Leaf Springs U Bolts 2 inch Wide for 2x2 Axle - 4 3/4 Long
- Price
- $24.52
- Rating
- 4.2/5
- Reviews
- 216
- Age
- 3y ago

Trailer U Bolt Kit 5-1/2 Trailer Axle U Bolts for 3500 lbs 2-3/8 Round Axle 1/2 Diameter 2 Thread Pitch by MCCKLE (2 Pack)
- Price
- $42.85
- Rating
- 4.6/5
- Reviews
- 86
- Age
- 2y ago

Square U-Bolt Kit for Boat Trailer Mounting Axle Leaf Springs Zinc(4 U-Bolt + 2 Plate) Heavy Duty Square U-Bolts with Nuts and Frame Plate for Trailer Automobiles Trailer 2 W x 5 L
- Price
- $25.19
- Rating
- 4.5/5
- Reviews
- 154
- Age
- 2y ago

SPARKWHIZ Trailer U Bolt Kit 5-1/2 inch U Bolt for 3 500 lb Trailer Axle 2-3/8 Round Axle 1/2 Diameter 2 Thread Pitch 2 Pack
- Price
- $43.17
- Rating
- 4.8/5
- Reviews
- 220
- Age
- 3y ago
Newest
by launch date
Fudatong 2PCs Square U-Bolt Kit for Boat Trailer Axle Leaf Springs Trailer Leaf Spring U Bolts for 2x2 Axle 4-3/4 Long 2 Pack
- Price
- $20.28
- Rating
- 4.7/5
- Reviews
- 74
- Age
- 1y ago

Trailer U Bolt Kit 5-1/2 Trailer Axle U Bolts for 3500 lbs 2-3/8 Round Axle 1/2 Diameter 2 Thread Pitch by MCCKLE
- Price
- $24.50
- Rating
- 4.6/5
- Reviews
- 86
- Age
- 1y ago

iiLentes 15592585 15592586 Rear Suspension Leaf Spring Axle U-bolt Plate and U bolts 2.5 Wide Leaf Springs 8.75 Long For 1988-1998 Chevy GMC Tahoe Yukon C1500 K1500
- Price
- $81.58
- Rating
- 4.6/5
- Reviews
- 80
- Age
- 2y ago

Trailer U Bolt Kit 5-1/2 Trailer Axle U Bolts for 3500 lbs 2-3/8 Round Axle 1/2 Diameter 2 Thread Pitch by MCCKLE (2 Pack)
- Price
- $42.85
- Rating
- 4.6/5
- Reviews
- 86
- Age
- 2y ago

Trailer U Bolt Kit for 5200-7000lbs 3 Round Axle Heavy Duty Trailer Axle U Bolts 7 Long 1/2 Diameter 2 Thread Pitch by MCCKLE
- Price
- $28.10
- Rating
- 4.3/5
- Reviews
- 113
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 30% of clicks, no more. An open shelf where new products get seen.
Brands
24 falling
Sellers
43
Est. top-5 brand share
72%
Top 20: 98%
Est. top-5 click share
30%
Top 20: 66%
Open market
26%
- Dorman30%
- SPARKWHIZ20%
- MCCKLE12%
- BST BSSP5%
- Racewill4%
- iiLentes3%
Demand
Trailer U Bolts search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Aug · busiest ÷ quietest = 2.3×
Search terms
Top Trailer U Bolts search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- trailer u bolts11K/yr
- leaf spring u bolts10K/yr
- trailer axle u bolts7K/yr
- u bolts for leaf springs7K/yr
- chevy rear axle u bolts9K/yr
- axle u bolts5K/yr
- leaf spring u bolt kit4K/yr
- trailer u bolt kit4K/yr
Reviews and returns
What reviews say buyers love and hate about Trailer U Bolts
We read the reviews and the return reasons for every product selling here.
“Too small”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Trailer U Bolts questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









