5.3 head gasket
Skip itA small market ($72K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible72.53avg incumbent reviews — the moat a new listing must climb
Avg price
Great$81.24avg listing price — sweet spot $15–$100
Returns
Good2.5%return rate — above 6% kills the launch gate
Brand share
Good69%top-5 brand share — brands hold most of the demand
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Growth
Bad-5.3%90-day search growth — must beat 0% to launch
Price range
Bad$32.01–$388.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$72K$72K/yr · 18K searches
Competition
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
65
Top-5 brand share
69%
Open market
23%
- ChawYI18%
- Michigan Motorsports17%
- ZONFANT16%
- Fel-Pro10%
- MANATEE9%
- MWBJ8%
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 30 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ChawYI 12589226 12498544 MLS Cylinder Multi Layer Head Gasket 2PCS for LS1 LS6 V8 4.8L 5.3L 5.7L LS Engine Head Gasket Kit for Chevrolet for Buick for GMC for Pontiac for Hummer for Cadillac for Saab
ChawYI$35.754.6★125 rev
Michigan Motorsports LS1 LS6 Cylinder Head Gaskets | MLS Multi-Layer Steel | Fits 4.8L 5.3L 5.7L LS Engines | Replaces GM 12589226
Michigan Motorsports$92.654.9★179 rev
2 Pcs Cylinder Multi Layer Head Gasket For LS1 LS6 V8 4.8L 5.3L 5.7 Liter Engine Compatible With Chevy/GMC/Buick/Cadillac/Pontiac/Hummer/Saab Vehicle 1998-2019 Replace#12589226 12498544 98544
ZONFANT$34.074.5★91 rev
FEL-PRO 26190 PT Engine Cylinder Head Gasket for Chevrolet Silverado 1500
Fel-Pro$35.344.7★271 rev
MLS Cylinder Multi Layer Head Gasket 2PCS 12589226 for LS1/LS6 V8 4.8L 5.3L 5.7 Liter Engines Compatible with 2002-2015 Chevrolet/Buick/GMC/Pontiac/Hummer/Cadillac/Saab 12498544 98544
MANATEE$35.874.5★99 rev
Newest
by launch date
5.3 Cylinder Head Gasket Set with ES73121 Head Bolts Compatible with Chevy GMC Vehicle 2014-2020 Silverado 1500 Tahoe Suburban Sierra 1500 Yukon XL 5.3L V8 5328cc Engine Replace OE#HS26744PT HS54996
ZONFANT$84.670 rev
MWBJ Racing for BTR MLS Cylinder 5 Layers 2PCS for LS1 LS6 V8 4.8L 5.3L 5.7L LS Engine Head Gasket Kit for Chevrolet/Buick/GMC/Pontiac/Hummer/Cadillac/Saab 12589226 12498544
MWBJ$48.879 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
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
WELLBOX 2PCS MLS Cylinder Head Gasket Set for GM LS1/LS6 Gen III Engines 4.8L/5.3L/5.7L Multi-Layer Steel Design Replaces OE 12589226
WELLBOX$34.373 rev
Trending
90-day click momentum5.3 Cylinder Head Gasket Set with ES73121 Head Bolts Compatible with Chevy GMC Vehicle 2014-2020 Silverado 1500 Tahoe Suburban Sierra 1500 Yukon XL 5.3L V8 5328cc Engine Replace OE#HS26744PT HS54996
ZONFANT$84.670.0★
WELLBOX 2PCS MLS Cylinder Head Gasket Set for GM LS1/LS6 Gen III Engines 4.8L/5.3L/5.7L Multi-Layer Steel Design Replaces OE 12589226
WELLBOX$34.372.5★
BTR Brian Tooley Racing LS1/LS6 MLS Cylinder Head Gasket Pair - Fits 4.8L 5.3L 5.7L Gen 3 LS Engines - Multi-Layer Steel Design - Replaces GM Part #12589226 - BTR98544
BTR Brian Tooley Racing$101.414.0★
MWBJ Racing for BTR MLS Cylinder 5 Layers 2PCS for LS1 LS6 V8 4.8L 5.3L 5.7L LS Engine Head Gasket Kit for Chevrolet/Buick/GMC/Pontiac/Hummer/Cadillac/Saab 12589226 12498544
MWBJ$48.875.0★
Michigan Motorsports L83 L84 5.3L Head Gasket & Bolt Set | Replaces GM #12622325 | Fits 2014+ L82 L8B Silverado Sierra Tahoe Yukon Suburban | Complete Engine Top-End Kit
Michigan Motorsports$169.353.7★
Demand
Weekly Amazon search volume, last 11 weeks — -5.3% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Seem like good quality gaskets”
“Great fit”
“Great and affordable”
“they did not leak or cause overheating”
“Works”
“Holding up good on my 6.2”
“Works”
“Installation was very simple”
“truck runs better than ever”
“did what it needed to do”
What buyers complain about
“Poor fit”
“Cheap gaskets”
“Wrong item, doesnt fit 6.0/6.2”
“Not worth it”
“Had to return because it was too flimsy”
“Inaccurate description”
“Waste of time”
“Most of the items were made incorrectly making them not a good candidate for installation”