5.3 ls gasket kit
Skip itSoft demand (-24.2% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible85.67avg incumbent reviews — the moat a new listing must climb
Returns
Great1.4%return rate — above 6% kills the launch gate
Avg price
Great$93.72avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Market size
Okay$140K$140K/yr · 56K searches
Price range
Okay$62.52–$193.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad70%top-5 click share — a locked-up shelf
Growth
Bad-24.2%90-day search growth — must beat 0% to launch
Competition
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
50
Top-5 brand share
85%
Open market
11%
- AUTOBABA51%
- Fel-Pro12%
- ZONFANT9%
- Armker7%
- EAUTOR6%
- HAYIAUTO4%
- Open — no brand owns it (4 brands, 11%)
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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
5.3 4.8 MLS Full Cylinder Head Engine Gasket Kit Compatible with 2002-2011 Chevy Silverado Tahoe Avalanche Express Suburban GMC Sierra Savana Yukon Buick Escalade 4.8L 5.3L V8
AUTOBABA$82.684.4★96 rev
AUTOBABA GEN 3 III LS Gasket Set Kit & LS Head Gaskets Compatible with 1999-2010 GM Chevy Silverado GMC Sierra 1500 2500 Engine LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L Replace# 12558178 12551933 12611384
AUTOBABA$62.694.2★99 rev
FEL-PRO 260-1880 Engine Gasket Set for Chevrolet Silverado 1500
Fel-Pro$193.514.4★38 rev
LS Engine Gasket Kit Bulk Wholesale Fits GM Chevrolet Repair Shop
EAUTOR$70.264.5★39 rev
GEN 3 III New LS Gasket Set Kit and LS9 Head Gaskets Compatible with Chevy GMC Vehicle Silverado Sierra LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L LS Engine Gasket Kit Replace#12551933 12558178 12611384
ZONFANT$62.524.4★57 rev
Newest
by launch date
KAFKOF MLS Head Gasket Kit Compatible with 2002-2011 Chevy Silverado Tahoe Avalanche Express Suburban GMC Sierra Savana Yukon Envoy Buick Cadillac Isuzu 4.8L 5.3L V8. Replace CS9284 HS26191PT
kafkof$78.0919 rev
LS 5.3 Gasket Set & MLS Head Gaskets Fits 4.8L 5.3L 5.7L LS1 LS6 LM7 L59 LR4 Gen 3 V8 Engines Compatible with Chevy GMC Cadillac Buick Models Replace# 12589226 12558178 12612350
Armker$67.8034 rev
Full Cylinder 5.3 Head Gasket Set Compatible with 2005-2014 Chevy Silverado 1500 Tahoe Avalanche Express Suburban for GMC Sierra Savana Yukon Envoy Escalade 5.3L LM7 L59 V8 Engine HS26191PT-1 CS9284
Armker$79.4740 rev
5.3 Full Cylinder Head Gasket Kit with ES72220 Bolts Compatible with 2007-2013 Buick Chevy Silverado Suburban Tahoe GMC Savana Sierra Yukon 5.3L Engine
AUTOBABA$101.1161 rev
5.3 4.8 MLS Full Cylinder Head Engine Gasket Kit Compatible with 2002-2011 Chevy Silverado Tahoe Avalanche Express Suburban GMC Sierra Savana Yukon Buick Escalade 4.8L 5.3L V8
AUTOBABA$82.6896 rev
Trending
90-day click momentum
GEN 3 5.3 LS Gasket Set 6.0 Head Gasket Kit Compatible with 1999-2010 GM Chevrolet 4.8L/5.3L/5.7L/6.0L LS1 LS6 LQ4 LQ9 Engine Replace# 12633904 12558177 BTR73450
Gledewen$64.674.5★
KAFKOF MLS Head Gasket Kit Compatible with 2002-2011 Chevy Silverado Tahoe Avalanche Express Suburban GMC Sierra Savana Yukon Envoy Buick Cadillac Isuzu 4.8L 5.3L V8. Replace CS9284 HS26191PT
kafkof$78.094.7★
FEL-PRO 260-1880 Engine Gasket Set for Chevrolet Silverado 1500
Fel-Pro$193.514.4★
FEL-PRO CS 9284 Engine Conversion Gasket Set for Chevrolet Silverado 1500
Fel-Pro$133.724.9★
GEN 3 III New LS Gasket Set Kit and LS9 Head Gaskets Compatible with Chevy GMC Vehicle Silverado Sierra LS1 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0L LS Engine Gasket Kit Replace#12551933 12558178 12611384
ZONFANT$62.524.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.2% search growth over the last 90 days.Peak months: Feb, Mar, Apr · busiest ÷ quietest = 2.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality”
“Great and affordable”
“Excellent Fit”
“Everything worked as expected”
“Work great”
“No leaks”
“Definitely will buy again for future engine builds”
“Great kit”
“Installation friendly”
“A perfect seal kit”
What buyers complain about
“Poor fit”
“had to use better quality valve cover gaskets”
“Does not work on a 2014 I was lied too”
“The head bolts come with this set are junk because I broke 2 of them before I got them up to 90 foot pounds”
“Most of the items were made incorrectly making them not a good candidate for installation”
“Waste of time”