Gearbox Oil
FailShoppers spend an estimated $32K a year here, so Gearbox Oil is a Fail.
- Flapen Score
- 47 / 100Ranks 452 of 811 Automotive niches · −2 vs the category median of 4947
- Market size
- £32K/yr53K searches / yr
- 90-day growth
- -2.1%search demand this quarter
- Competition
- 41%top-5 click share · 11 brands · 44 sellers
Flapen Score
Gearbox Oil against its category
The dotted line is the Automotive average. Past it, Gearbox Oil is stronger. Inside it, weaker.
Market
The Gearbox Oil market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Gearbox Oil 53K times last year and spent an estimated £32K. The top 5 brands take 82% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 4.2% of those searches ended in a purchase.
Shoppers searched for this 53K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.2% of those searches ended in a purchase. Searches in the last 90 days moved -2.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £32K a year.
- Searches, last 12 months
- 53K
- Growth, 90 days vs prior 90
- -2.1%
- Conversion, latest week
- 4.2%
- Market size, estimated
- £32Ka year
- Top search term
- gearbox oil26K searches a year
02 · Price
A sale here is worth £14.44.
Listings sell for £14.44 on average, from £5.57 to £48.32. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At £14.44 that is £0 to £1K a year per listing.
- Average price
- £14.44under the $15 to $100 sweet spot
- Price range
- £5.57–£48.32
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£1K
- Returns
- 1.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
56% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #64 within Oils & Fluids. It carries 366 reviews at 4.76 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 56%
- Prime listings
- 95%
- Out of stock, average day
- 0.0%
- Average rank
- #64in Oils & Fluids
- Average rating
- 4.76 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 366per listing
- Listings tracked
- 39
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 93 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 93 months
Products
Top Gearbox Oil 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Castrol Transmax Manual EP 80W 1L
- Price
- £5.57
- Rating
- 4.7/5
- Reviews
- 60
- Age
- 3y ago

Castrol Transmax Manual FE 75W 1L
- Price
- £12.67
- Rating
- 4.8/5
- Reviews
- 87
- Age
- 3y ago

Comma GO41L EP80W-90 1L GL4 Gear Oil
- Price
- £7.41
- Rating
- 4.7/5
- Reviews
- 464
- Age
- 16y ago

febi bilstein 21829 Gear Oil SAE 75W (GL-4) pack of one (Package may vary)
- Price
- £10.77
- Rating
- 4.8/5
- Reviews
- 525
- Age
- 13y ago

Castrol Transmax Manual Transaxle Fluid 75W-90 1L
- Price
- £11.58
- Rating
- 4.8/5
- Reviews
- 292
- Age
- 3y ago
Trending
estimated 90-day click momentum
Carlube Driveline 75W-80 Fully Synthetic Manual Transmission Fluid - 5L
- Price
- £22.58
- Rating
- 4.9/5
- Reviews
- 25
- Age
- 6y ago

Castrol Transmax Axle EPX 80W-90 5L
- Price
- £21.14
- Rating
- 4.8/5
- Reviews
- 153
- Age
- 3y ago

Castrol Transmax Manual EP 80W 1L
- Price
- £5.57
- Rating
- 4.7/5
- Reviews
- 60
- Age
- 3y ago

Carlube Gear Oil EP 80W-90 Multipurpose 1L - Heavy Duty Lubricant with Extreme Pressure Additives
- Price
- £7.64
- Rating
- 4.6/5
- Reviews
- 134
- Age
- 12y ago

ELF Tranself NFX SAE 75W Transmission Fluid Gear Oil - API GL-4 - Approved by MB-235.17 RENAULT DBx/JXX/NDK1/NDX/PXX/SX/TLX - 1L
- Price
- £13.62
- Rating
- 4.7/5
- Reviews
- 65
- Age
- 4y ago
Newest
by launch date
TotalEnergies TRAXIUM DUAL 9 FE Synthetic 75W90 Transmission Oil API GL-4/5 MT-1 SAE J2360-1 Liter
- Price
- £13.78
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 2y ago

Castrol Transmax Manual EP 80W 1L
- Price
- £5.57
- Rating
- 4.7/5
- Reviews
- 60
- Age
- 3y ago

Castrol Transmax Manual FE 75W 1L
- Price
- £12.67
- Rating
- 4.8/5
- Reviews
- 87
- Age
- 3y ago

Castrol Transmax Manual Transaxle Fluid 75W-90 1L
- Price
- £11.58
- Rating
- 4.8/5
- Reviews
- 292
- Age
- 3y ago

Castrol Transmax Manual Multivehicle 75W-90 1L
- Price
- £13.26
- Rating
- 4.8/5
- Reviews
- 188
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 flat
Sellers
44
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
41%
Top 20: 79%
Open market
14%
- Castrol36%
- Comma15%
- febi bilstein14%
- Liqui Moly12%
- Carlube5%
- TotalEnergies5%
- Open — no brand owns it (5 brands, 14%)
Demand
Gearbox Oil search demand
Weekly searches over the year. Pick a range.
Search terms
Top Gearbox Oil search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- gearbox oil26K/yr
- gear oil9K/yr
- transmission oil8K/yr
- 75w80 gearbox oil6K/yr
- gear box oil4K/yr
Reviews and returns
What reviews say buyers love and hate about Gearbox Oil
We read the reviews and the return reasons for every product selling here.
“Little more expensive than some alternatives”
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.
19 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 Gearbox Oil 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









