rear differential gasket
Skip itA small market ($70K/yr) — this niche doesn't clear our bar today.
Review moat
Great320.88avg incumbent reviews — the moat a new listing must climb
Price range
Good$5.38–$38.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$14.16avg listing price — sweet spot $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Returns
Okay4.5%return rate — above 6% kills the launch gate
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Growth
Bad-3.9%90-day search growth — must beat 0% to launch
Market size
Bad$70K$70K/yr · 144K searches
Competition
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
70
Top-5 brand share
85%
Open market
10%
- Fel-Pro51%
- BEONEO11%
- GRANDI10%
- Eponcia8%
- GM GENUINE PARTS6%
- A-Premium5%
- Open — no brand owns it (6 brands, 10%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 32 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FEL-PRO RDS 55028-1 Axle Housing Cover Gasket for Chevrolet Silverado 1500
Fel-Pro$5.394.7★3,176 rev
GRANDI 1 PC LLR-D044 Differential Cover Gasket Transmission Gaskets Replacement for Dana 44 Axles Drivetrain Sealing Compatible with 1963-1991 Jeep Cherokee Wagoneer (Red)
GRANDI$12.554.1★32 rev
Eponcia Rear Differential Gasket Front Differential Gasket High Temperature Resistant Transmission Core Rubber Leak-Proof Coated Cover gaskets Compatible with J-eep Ford GMC Axle Dana 60 70 50
Eponcia$11.893.4★15 rev
FEL-PRO RDS 55341 Axle Housing Cover Gasket for Ford F-150
Fel-Pro$8.864.7★1,190 rev
GM Genuine Parts 15860607 Rear Axle Housing Cover Gasket
GM GENUINE PARTS$26.634.7★247 rev
Newest
by launch date
vocsvok 15807693 Rear Differential Cover Gasket Compatible with 8.5 & 8.625 Ring Gear Fits 1998-2010 GM Chevy GMC Cadillac Models Replacement for 697-706
vocsvok$17.300 rev
Yidcidu Car Differential Cover Gasket Grease Storage Cabinet Sealing Gasket Compatible with JP FORD GMC Axle Dana 60 50 70 (Red)
Yidcidu$10.760 rev
Motarithl Rear Axle Housing Cover Gasket Differential Seal Compatible with 2014-2025 Chevrolet Silverado 1500 GMC Sierra 1500 2015-2020 Yukon XL Cadillac Escalade ESV Replaces 22943110 85720902
Motarithl$17.811 rev
Eponcia Rear Differential Gasket Front Differential Gasket High Temperature Resistant Transmission Core Rubber Leak-Proof Coated Cover gaskets Compatible with J-eep Ford GMC Axle Dana 60 70 50
Eponcia$11.8915 rev
For d Sterling 10.25 & 10.5 Differential Cover Gasket F-150 F-250 F-350 Super Duty Heritage Excursion E-350 Econoline Club Wagon 1990 1991 1992 1993 1994 1995 1996-2020;Lincoln Mark LT 2006 2007 2008.
BEONEO$22.6616 rev
Trending
90-day click momentumMotarithl Rear Axle Housing Cover Gasket Differential Seal Compatible with 2014-2025 Chevrolet Silverado 1500 GMC Sierra 1500 2015-2020 Yukon XL Cadillac Escalade ESV Replaces 22943110 85720902
Motarithl$17.814.0★
vocsvok 15807693 Rear Differential Cover Gasket Compatible with 8.5 & 8.625 Ring Gear Fits 1998-2010 GM Chevy GMC Cadillac Models Replacement for 697-706
vocsvok$17.300.0★
Yidcidu Car Differential Cover Gasket Grease Storage Cabinet Sealing Gasket Compatible with JP FORD GMC Axle Dana 60 50 70 (Red)
Yidcidu$10.760.0★
Eponcia Rear Differential Gasket Front Differential Gasket High Temperature Resistant Transmission Core Rubber Leak-Proof Coated Cover gaskets Compatible with J-eep Ford GMC Axle Dana 60 70 50
Eponcia$11.893.4★
For d Sterling 10.25 & 10.5 Differential Cover Gasket F-150 F-250 F-350 Super Duty Heritage Excursion E-350 Econoline Club Wagon 1990 1991 1992 1993 1994 1995 1996-2020;Lincoln Mark LT 2006 2007 2008.
BEONEO$22.664.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Good quality gasket”
“No leaks”
“As advertised”
“What I really like is how much cleaner the install is”
“Was well worth it”
“The material feels durable”
“Worked perfectly”
“Cleaned the surface well”
“Durable”
What buyers complain about
“Did not fit my 14 bolt diff”
“Did not fit my 04 f150”
“Leaked”
“This is not a quality gasket spend the extra few dollars”
“I didnt want to risk the bolts that came with since they were 8.8 strength”
“I didnt trust the magnet to be strong enough not to move by not glueing it down”
“Part didn't fit vehicle it says”
“It said it would fit my 09 Nissan Frontier but it did not. Didnt fit my 09 Nissan Frontier.”
“Said it would work and it didn't”
“I'm 64 and it's just not how I prefer to do repairs”