wheel cylinder
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great209.16avg incumbent reviews — the moat a new listing must climb
Avg price
Great$19.45avg listing price — sweet spot $15–$100
Price range
Great$7.86–$39.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay5.1%return rate — above 6% kills the launch gate
Growth
Okay+4.0%90-day search growth — must beat 0% to launch
Market size
Okay$113K$113K/yr · 174K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
4 falling
Sellers
61
Top-5 brand share
100%
Open market
0%
- Dorman53%
- A-Premium35%
- ACDelco11%
- Dynamic Friction Company1%
- Open — no brand owns it (0%)
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 49 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dorman W37862 Rear Drum Brake Wheel Cylinder Compatible with Select Models
Dorman$10.644.6★529 rev
Dorman W59241 Drum Brake Wheel Cylinder Compatible with Select Models
Dorman$10.274.7★722 rev
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Select Chevy & GMC Models - Tahoe Yukon Suburban 1500 Blazer C1500 C2500 K1500 K1500 Suburban C10 C15 C10/C15/C1500 Pickup 2-PC Set
A-Premium$26.954.6★118 rev
Dorman W59240 Drum Brake Wheel Cylinder Compatible with Select Models
Dorman$10.594.7★676 rev
Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models
Dorman$13.484.6★397 rev
Newest
by launch date
A-Premium Rear Driver and Passenger Drum Brake Wheel Cylinder Compatible with Select Honda Models - Civic 2006-2015 Fit 2009-2019 Insight 2010-2014 2-PC Set - Replace# 43300SNAA01 43300T5RA01
A-Premium$35.0159 rev
A-Premium Rear Driver and Passenger Drum Brake Wheel Cylinder Compatible with Select Chevrolet and GMC Models - Silverado 1500 Sierra 1500 2009 2010 2011 2012 2013 2-PC Set
A-Premium$35.4051 rev
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Jeep Ford Dodge Mercury Plymouth Nash Hudson & AMC Models - Grand Cherokee Wrangler Mustang Durango Wagoneer Montego PB300 2 PC
A-Premium$28.7955 rev
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet and GMC Models - Silverado 1500 2005-2008 Silverado 1500 Classic 2007 Sierra 1500 2005-2008 Sierra 1500 Classic 2-PC Set
A-Premium$32.6240 rev
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Chevrolet and GMC Models - Silverado 1500 2006-2008 Silverado 1500 HD 2005-2006 Sierra 1500 Classic Sierra 1500 HD Classic 2-PC Set
A-Premium$39.7550 rev
Trending
90-day click momentum
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet Buick Oldsmobile and Pontiac Models - Malibu Camaro Chevelle El Camino Gran Sport Skylark Cutlass Firebird 2-PC Set
A-Premium$22.284.8★
A-Premium Rear Driver and Passenger Drum Brake Wheel Cylinder Compatible with Select Buick Chevrolet GMC Oldsmobile and Pontiac Models - Malibu Camaro Regal Century El Camino 2-PC Set
A-Premium$23.784.3★
A-Premium Rear Drum Brake Wheel Cylinder Compatible with Select Dodge Chevrolet Ford GMC AMC International Harvester Jeep Lincoln Mercury and Plymouth Models - F-150 F-250 E-150 Ram 1500
A-Premium$28.394.6★
A-Premium Rear Driver & Passenger Drum Brake Wheel Cylinder Compatible with Select Ford Mazda Models - Ranger 1984-1986 1990-1994 Bronco II 1984-1986 B2300 B3000 B4000 1994-1996 2-PC Set
A-Premium$20.054.7★
A-Premium Rear Driver and Passenger Drum Brake Wheel Cylinder Compatible with Select Honda Models - Civic 2006-2015 Fit 2009-2019 Insight 2010-2014 2-PC Set - Replace# 43300SNAA01 43300T5RA01
A-Premium$35.014.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Correct fit”
“Good Quality”
“the price is cheap”
“Works like it should”
“Worked great”
“Easy install”
“Fixed my leaking wheel cylinders”
“Everything I ever got from them is still working”
“Easy”
“Like new”
What buyers complain about
“These parts aren't for a ranger with 10 inch drums”
“Junk”
“one is already leaking”
“Brake parts”
“The problem is with the mounting hardware”
“Not fit 1999 GMC Suburban C1500”
“Not for the car informed”
“Carrying in with the install & assembly, and one wheel cylinder just started to leak brake fluid past the lip/cup seal & dust boot, unto my brand new brake shoes”
“At least not an easy one”
“that is thin”