Gearbox Oil
a small market ($32K/yr) — Gearbox Oil doesn't clear our bar today.
Flapen Score
Ranks 452 of 811 Automotive niches · −2 vs the category median of 49
Is Gearbox Oil profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Gearbox Oil is a £32K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 47/100.
Gearbox Oil: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -2.1% over the last 90 days and 4.2% of searches end in a purchase.
£32K
revenue / yr
Who owns the niche?
The top 5 brands hold 82% of demand, so 18% of the market is open.
18%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.8★ — the gap to enter on.
0/100
page quality · 39 products
Top Gearbox Oil products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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: brands, sellers & click share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
Brands
11 flat
Sellers
44
Top-5 brand share
82%
Top 20: 100%
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%)
Gearbox Oil demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top Gearbox Oil search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- gearbox oil26K/yr
- gear oil9K/yr
- transmission oil8K/yr
- 75w80 gearbox oil6K/yr
- gear box oil4K/yr
What reviews say buyers love and hate about Gearbox Oil
What buyers mention most, as a share of all reviews.
What buyers love
96% of reviews“Good quality”
“reasonable price”
“Does the job”
“Good oil & quite easy to pour out”
“it's unbelievable how smooth it is”
What buyers complain about
88% of reviews“Little more expensive than some alternatives”
“probably neglected gearbox oil services”
“Not compatible with my car”
“Brought as sold”
“squeeze nozzle was hard work due to fill hole location”
Gearbox Oil return rate & reasons
Why buyers send it back, as a share of all return requests.
1.2%
Return rate
13%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Gearbox Oil questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









