Proportioning Valve
MaybeThe average product has only 89 reviews. But an estimated 5.6% of orders come back, so Proportioning Valve is a Maybe.
- Flapen Score
- 55 / 100Top 23% of 7,287 Automotive niches · +6 vs the category median of 4955
- Market size
- $137K/yr80K searches / yr
- 90-day growth
- +11.8%search demand this quarter
- Competition
- 50%top-5 click share · 25 brands · 110 sellers
Flapen Score
Proportioning Valve against its category
The dotted line is the Automotive average. Past it, Proportioning Valve is stronger. Inside it, weaker.
Market
The Proportioning Valve market on Amazon at a glance
Shoppers on Amazon United States searched for Proportioning Valve 80K times last year and spent an estimated $137K. The top 5 brands take 65% of clicks. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 4.0% of those searches ended in a purchase.
Shoppers searched for this 80K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.0% of those searches ended in a purchase. Searches in the last 90 days moved +11.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $137K a year.
- Searches, last 12 months
- 80K
- Growth, 90 days vs prior 90
- +11.8%
- Conversion, latest week
- 4.0%
- Market size, estimated
- $137Ka year
- Peak month
- September1.3× the quietest month
- Top search term
- brake proportioning valve35K searches a year
02 · Price
A sale here is worth $42.78.
Listings sell for $42.78 on average, from $6.95 to $131.81. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At $42.78 that is $0 to $4K a year per listing.
- Average price
- $42.78inside the $15 to $100 sweet spot
- Price range
- $6.95–$131.81
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 5.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 1.3% of listings are out of stock. The average listing ranks #77 within Brake System. It carries 89 reviews at 4.12 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 94%
- Out of stock, average day
- 1.3%
- Average rank
- #77in Brake System
- Average rating
- 4.12 starsAmazon United States average 4.42 stars
- Average reviews
- 89per listing
- Listings tracked
- 35
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Proportioning Valve 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
PV2 Brass Proportioning Valve Disc/Drum Disc Front Drum Rear Brake 172-1353 PV71 Fit for GM Street Rod Classic Car & Truck
- Price
- $39.60
- Rating
- 4.5/5
- Reviews
- 696
- Age
- 6y ago

Wilwood 260-8419 Adjustable Proportioning Valve Knob Silver
- Price
- $47.80
- Rating
- 4.6/5
- Reviews
- 357
- Age
- 18y ago

Wilwood 4444/30 260-11179 Proportioning Valve
- Price
- $100.24
- Rating
- 4.5/5
- Reviews
- 412
- Age
- 16y ago

POWERWORKS PV4 Brake Proportioning Valve Disc/Disc Brake System Combination Valve
- Price
- $39.54
- Rating
- 4.5/5
- Reviews
- 303
- Age
- 5y ago

AISHAN Universal Combination Proportioning Valve for Connecting Valve 260-13190 260-11179 and Master Cylinder Complete Mounting Bracket Kit Compatible with Wilwood Style & Adjustable Knob
- Price
- $44.69
- Rating
- 2.9/5
- Reviews
- 17
- Age
- 3y ago
Trending
estimated 90-day click momentum
260-13190 Universal Combination Brake Proportioning Valve & Mounting Bracket & Adjustable Knob | Fit for Wilwood master cylinders 260-8555 260-8556 260-9439 260-12900 260-13375 | OE 260-11179
- Price
- $39.49
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6mo ago

DUZFOREI 1/8NPT Brake Proportional Valve Replacement for 150PSI1200PSI Pressure Range Brake Proportioning Valve for Car Brake Adjustment
- Price
- $23.35
- Rating
- 3.5/5
- Reviews
- 8
- Age
- 1y ago

PV2 Brass Combination Proportioning Valve For Disc/Drum Disc Front Drum Rear Brake 172-1353 PV71 25509419 Replacement For GM Chevy Chevrolet Ford Classic Car & Truck
- Price
- $38.61
- Rating
- 4.5/5
- Reviews
- 40
- Age
- 4y ago

172-1361 PV4 Brass Brake Proportioning Valve Disc/Disc Brakes Kits For Chevy Mopar 4 Wheel Disc Brakes Trucks
- Price
- $47.68
- Rating
- 4.2/5
- Reviews
- 9
- Age
- 1y ago

Wilwood Engineering 260-12627 Adjacent Proportioning Valve Knob Style (M10 x 1.0 BF inlet)
- Price
- $53.64
- Rating
- 4.6/5
- Reviews
- 231
- Age
- 11y ago
Newest
by launch date
260-13190 Universal Combination Brake Proportioning Valve & Mounting Bracket & Adjustable Knob | Fit for Wilwood master cylinders 260-8555 260-8556 260-9439 260-12900 260-13375 | OE 260-11179
- Price
- $39.49
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6mo ago

RUIANOMG 172-1353 PV2 Brass Proportioning Valve Disc/Drum Disc Front Drum Rear Brake Kit Replacement For Chevy Buick Trucks
- Price
- $52.98
- Rating
- 4.3/5
- Reviews
- 12
- Age
- 1y ago

Universal Combination Proportioning Valve and Mounting Bracket Lines Kit with Adjustable Knob Fit for Wilwood Style Universal Brake Proportioning Valve 260-13190 260-11179
- Price
- $33.75
- Rating
- 2.7/5
- Reviews
- 3
- Age
- 1y ago

Femibon PV2 Brass Disc/Drum Disc Front Drum Rear Brake Proportioning Valve & Mount Bracket Connector Kit Compatible with for Chevy Buick Classic Car & Truck Replace part 172-1353
- Price
- $51.43
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 1y ago

DUZFOREI 1/8NPT Brake Proportional Valve Replacement for 150PSI1200PSI Pressure Range Brake Proportioning Valve for Car Brake Adjustment
- Price
- $23.35
- Rating
- 3.5/5
- Reviews
- 8
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.
Brands
25 rising
Sellers
110
Est. top-5 brand share
65%
Top 20: 97%
Est. top-5 click share
50%
Top 20: 86%
Open market
32%
- Wilwood29%
- POWERWORKS22%
- AISHAN6%
- Nakkaa4%
- LDMINDA4%
- DUZFOREI3%
Demand
Proportioning Valve search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Proportioning Valve search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- brake proportioning valve35K/yr
- proportioning valve26K/yr
- adjustable proportioning valve8K/yr
- gm proportioning valve6K/yr
- adjustable brake proportioning valve5K/yr
Reviews and returns
What reviews say buyers love and hate about Proportioning Valve
We read the reviews and the return reasons for every product selling here.
“Leaked out of every orifice”
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.
17 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 Proportioning Valve 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









