Manual Transmission Fluid
FailThe products selling today already average 4.8★, so Manual Transmission Fluid is a Fail.
- Flapen Score
- 43 / 100Ranks 5,360 of 7,287 Automotive niches · −6 vs the category median of 4943
- Market size
- $178K/yr71K searches / yr
- 90-day growth
- +9.2%search demand this quarter
- Competition
- 80%top-5 click share · 8 brands · 95 sellers
Flapen Score
Manual Transmission Fluid against its category
The dotted line is the Automotive average. Past it, Manual Transmission Fluid is stronger. Inside it, weaker.
Market
The Manual Transmission Fluid market on Amazon at a glance
Shoppers on Amazon United States searched for Manual Transmission Fluid 71K times last year and spent an estimated $178K. The top 5 brands take 95% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 5.8% of those searches ended in a purchase.
Shoppers searched for this 71K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.8% of those searches ended in a purchase. Searches in the last 90 days moved +9.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $178K a year.
- Searches, last 12 months
- 71K
- Growth, 90 days vs prior 90
- +9.2%
- Conversion, latest week
- 5.8%
- Market size, estimated
- $178Ka year
- Peak month
- October1.5× the quietest month
- Top search term
- manual transmission fluid23K searches a year
02 · Price
A sale here is worth $43.20.
Listings sell for $43.20 on average, from $9.51 to $100.84. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At $43.20 that is $22K to $32K a year per listing.
- Average price
- $43.20inside the $15 to $100 sweet spot
- Price range
- $9.51–$100.84
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $22K–$32K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
64% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #165 within Oils & Fluids. It carries 1,324 reviews at 4.81 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 64%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #165in Oils & Fluids
- Average rating
- 4.81 starsAmazon United States average 4.42 stars
- Average reviews
- 1,324per listing
- Listings tracked
- 14
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 66 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 66 months
Products
Top Manual Transmission Fluid 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
Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID 1 Quart (32 Ounces)
- Price
- $19.81
- Rating
- 4.8/5
- Reviews
- 1,890
- Age
- 16y ago

Valvoline Synchromesh Manual Transmission Fluid 1 Quart
- Price
- $9.51
- Rating
- 4.8/5
- Reviews
- 815
- Age
- 9y ago

Royal Purple 01512 Set of 4 Synchromax Manual Transmission Fluid 1-Quart Bottles
- Price
- $69.76
- Rating
- 4.8/5
- Reviews
- 248
- Age
- 8y ago

Honda Fluid 08798-9031 Manual Transmission Fluid - 1 Quart
- Price
- $15.55
- Rating
- 4.8/5
- Reviews
- 2,024
- Age
- 17y ago

Transmission Fluid 32oz 350 deg. FP
- Price
- $17.09
- Rating
- 4.8/5
- Reviews
- 139
- Age
- 22y ago
Trending
estimated 90-day click momentum
Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (2 Pack)
- Price
- $42.15
- Rating
- 4.9/5
- Reviews
- 5,032
- Age
- 11y ago

Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)
- Price
- $72.98
- Rating
- 4.8/5
- Reviews
- 432
- Age
- 16y ago

Royal Purple 01512 Synchromax Manual Transmission Fluid - 1 Quart (Pack of 6)
- Price
- $98.58
- Rating
- 4.8/5
- Reviews
- 1,890
- Age
- 14y ago

Royal Purple 06512 Synchromax Manual Trans Fluid Case 6 Quart 1 Pack
- Price
- $100.84
- Rating
- 4.8/5
- Reviews
- 119
- Age
- 14y ago

Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID 1 Quart (32 Ounces)
- Price
- $19.81
- Rating
- 4.8/5
- Reviews
- 1,890
- Age
- 16y ago
Newest
by launch date
Royal Purple 01512 Synchromax Manual Transmission Fluid Pack of 2 Quarts
- Price
- $39.24
- Rating
- 4.9/5
- Reviews
- 81
- Age
- 6y ago

Royal Purple 01512 Set of 4 Synchromax Manual Transmission Fluid 1-Quart Bottles
- Price
- $69.76
- Rating
- 4.8/5
- Reviews
- 248
- Age
- 8y ago

Royal Purple 01512 Set of 3 Synchromax Manual Transmission Fluid 1-Quart Bottles
- Price
- $51.99
- Rating
- 4.8/5
- Reviews
- 107
- Age
- 8y ago

Valvoline Synchromesh Manual Transmission Fluid 1 Quart
- Price
- $9.51
- Rating
- 4.8/5
- Reviews
- 815
- Age
- 9y ago

Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (2 Pack)
- Price
- $42.15
- Rating
- 4.9/5
- Reviews
- 5,032
- Age
- 11y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 80% of clicks. A locked shelf that new listings rarely crack.
Brands
8 flat
Sellers
95
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
80%
Top 20: 100%
Open market
3%
- Royal Purple54%
- Valvoline29%
- ACDelco5%
- Honda4%
- Pennzoil4%
- Red Line2%
- Open — no brand owns it (2 brands, 3%)
Demand
Manual Transmission Fluid search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Manual Transmission Fluid search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- manual transmission fluid23K/yr
- royal purple synchromax12K/yr
- synchromesh transmission fluid5K/yr
- synchromesh6K/yr
- amsoil synchromesh5K/yr
- synchromesh manual transmission fluid8K/yr
- amsoil manual transmission fluid6K/yr
- royal purple synchromax manual transmission fluid5K/yr
- amsoil synchromesh manual transmission fluid3K/yr
Reviews and returns
What reviews say buyers love and hate about Manual Transmission Fluid
We read the reviews and the return reasons for every product selling here.
“And I'm assuming that someone had added extra gear oil”
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 Manual Transmission Fluid 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









