harley transmission oil
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$48.94avg listing price — sweet spot $15–$100
Review moat
Good1,027.48avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Price range
Good$13.19–$160.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+27.6%90-day search growth — must beat 0% to launch
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Market size
Okay$191K$191K/yr · 73K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad99%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, harley transmission oil is a $191K/yr Amazon United States market (73K searches/yr). The top 5 brands hold 99% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
harley transmission oil market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $245K–$294K
- units × avg price
- Conversion rate
- 5.3%
- Avg BSR
- #451
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 52%
- Out of stock
- 0.0%
- Avg brand age
- 89 months
- Avg seller age
- 144 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
6 falling
Sellers
124
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
52%
Top 20: 89%
Open market
0%
- Red Line57%
- Bel-Ray34%
- Twisted Choppers3%
- Lucas Oil3%
- 360 Twin2%
- Maxima1%
Demand
Weekly Amazon search volume, last 44 weeks — +27.6% search growth over the last 90 days.Top harley transmission oil search terms
- redline oil31K/yr
- harley transmission oil7K/yr
- red line oil8K/yr
- belray 20w50 motorcycle oil6K/yr
- bel ray 20w50 v-twin motorcycle oil5K/yr
- harley davidson transmission oil3K/yr
- redline transmission fluid6K/yr
- redline transmission oil for harley davidson4K/yr
- harley davidson transmission fluid3K/yr
Top harley transmission oil products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Red Line 42804 Full Synthetic Gear Oil V-Twin Transmission Oil with Shockproof - 1 Quart
Red Line$23.084.9★1,903 rev
Bel-Ray Big Twin Transmission Oil Liter 96900-BT1QB
Bel-Ray$13.194.8★756 rev
Bel-Ray V-Twin SAE 20W-50 Mineral Engine Oil | 4 Liter | SKU: 96905-BT4
Bel-Ray$33.234.8★272 rev
Red Line 90226 20W50 Powersport Motor Oil V-Twin - 1 Powerpack Kit
Red Line$148.294.8★2,583 rev
Bel-Ray 96910-BT4 Motor Oils 20W-50 4 Liter
Bel-Ray$39.244.8★238 rev
Newest
by launch date
Bel-Ray Synthetic 3-Hole Complete Oil Change Kit Compatible with Harley-Davidson Big Twin and Sportster 1984-Up 1984-2017 Harley Twin Cam & Evolution Chrome Oil Filter
Twisted Choppers$122.1812 rev
Red Line 42804 V-Twin Transmission Oil with Shockproof - 4 Quarts
Red Line$84.211,903 rev
360 Twin 80W-90 High-Performance Transmission Lubricant for V-Twin Motorcycles Premium Gear Oil for Harley-Davidson Superior Wear Protection & Smooth Shifting
360 Twin$13.82121 rev
Red Line 50604 MT-LV 70W/75W GL-4 High-Performance Full Synthetic Gear Oil Lubricant for Manual Transmissions & Transaxles - 1 Quart
Red Line$22.97485 rev
Red Line 90226 Big Twin 20w50 Power Pack Oil Package with K&N High Performance Oil Filter (Complete Kit Black Filter)
Red Line$160.99513 rev
Trending
90-day click momentum
Bel-Ray 96900-BT1 Big-Twin Transmission Oil - 85W140-1L.
Bel-Ray$19.914.7★
Red Line 90226 Big Twin 20w50 Power Pack Oil Package with K&N High Performance Oil Filter (Complete Kit Black Filter)
Red Line$160.994.7★
Lucas Oil 10791 Synthetic SAE 75W-140 V-Twin Gear Oil - 1 Quart
Lucas Oil$19.854.7★
Red Line 50604 MT-LV 70W/75W GL-4 High-Performance Full Synthetic Gear Oil Lubricant for Manual Transmissions & Transaxles - 1 Quart
Red Line$22.974.7★
Bel-Ray Big Twin Transmission Oil Liter 96900-BT1QB
Bel-Ray$13.194.8★
What buyers say about harley transmission oil
What buyers praise and complain about, mined from review topics.What buyers love
“good quality, good price, fast shipping”
“Great lubrication”
“Works well”
“Worth buying”
“Better fuel economy”
“As advertised”
“Cleans good”
“Exactly What I Ordered And So Convenient”
“I read from others that it made the transmission quiet down”
“this one hands down is the smoothest”
What buyers complain about
“Not worth the price”
“Was running a bit louder”
“one of the containers was leaking oil”
“NOT COMPLETE as advertised”
“The oil filter that it came with was not the correct size”
“It does NOT lubricate the bearings well at all”
“Unsure how effective it is”
“Seemed thinner than original”
“Its slippery”
“Hard to find, not cheap”
Top return reasons
Common questions
- Is harley transmission oil profitable to sell on Amazon United States?
- The niche generates $191K/yr across 29 tracked products. 90-day search growth is +27.6%. Flapen's verdict: Worth a look (50/100).
- How competitive is the harley transmission oil niche?
- 6 brands and 124 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in harley transmission oil?
- Top complaints mined from reviews: Value For Money, Noise Level, Leak-Proof. The return rate is 0.5%.
- What does it cost to enter the harley transmission oil niche?
- Listings span $13.19–$160.99; the average listing price is $48.94 (sweet spot $15–$100). The average incumbent carries 1,027 reviews — the moat a new listing must climb.