exhaust manifold bolts
Worth a lookShows a thin review moat (240 avg reviews), but a small market ($73K/yr) keeps it on the watch list.
Review moat
Great239.51avg incumbent reviews — the moat a new listing must climb
Competition
Great28%top-5 click share — an open shelf
Avg price
Great$15.22avg listing price — sweet spot $15–$100
Brand share
Good60%top-5 brand share — brands hold most of the demand
Price range
Good$5.88–$41.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.0%return rate — above 6% kills the launch gate
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+4.9%90-day search growth — must beat 0% to launch
Market size
Bad$73K$73K/yr · 153K searches
Competition
Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.Brands
43 rising
Sellers
102
Top-5 brand share
60%
Open market
36%
- Dorman34%
- Fel-Pro8%
- MOXRUQ7%
- BEONEO6%
- Stacool5%
- SWQS3%
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 83 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MOXRUQ 10 PCS Exhaust Manifold Bolts M8 x 1.25 x 30mm High Strength Carbon Steel Flange Exhaust Bolts and Nuts Exhaust Manifold Bolt Hardware Kit
MOXRUQ$7.744.2★24 rev

Dorman 03133 Exhaust Stud Kit - M10-1.5 x 62 mm Compatible with Select Models
Dorman$13.114.6★1,439 rev

FEL-PRO ES 75120 Exhaust Manifold Hardware Kit for Chevrolet Silverado 1500
Fel-Pro$23.804.6★366 rev

2PCS Car Exhaust Manifold Bolts Steel M10x1.5 mm Exhaust Bolts and Nuts Kit with Springs for Exhaust Gasket Professional Exhaust Flange Bolts Car Accessories for Most Cars (Silver)
Stacool$7.244.4★259 rev

Dorman 03309 Exhaust Manifold Hardware Kit Compatible with Select Models
Dorman$20.224.5★1,108 rev
Newest
by launch date
ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)
ESWW$6.9917 rev

CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura
CHENACC$11.693 rev

KoiLuvGo 2PCS M10x1.25 Exhaust Manifold Bolts and Nuts Kit Muffler Repair Kit with Springs Professional Exhaust Flange Bolts for Automotive Exhaust Manifold Gasket Universal for Most Cars
KoiLuvGo$8.467 rev

8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System
VKQTS$7.652 rev

SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7
SWQS$13.9716 rev
Trending
90-day click momentum
8 Sets M10 x 1.5-35mm Exhaust Manifold Bolts Stainless Steel Flange Hex Head Exhaust Bolts and Nuts Kit with Serrated Design Anti-Loose Exhausts Flange Bolt for Exhausts System
VKQTS$7.655.0★

DOMMVCSSYO Flange Hex Head Bolts Flange Nuts 304 Stainless Steel Exhaust Manifold Hardware Kit (Bolts&Nuts) M10 x 1.5-35mm (8-Pack) for Repairs or DIY Project
DOMMVCSSYO$9.534.3★

CHENACC 5 Sets Exhaust Serrated Flange Spin Bolts with Nuts M10-1.25 x 33mm Compatible withToyota Honda 90212-SA5-003 Accord Civic Odyssey Acura
CHENACC$11.695.0★

ESWW 10 PCS M8 Exhaust Manifold Hex Nuts Copper Plated Self-Locking Seal Flange Nut Kit Replacement for OEM #A1201420072 Hexagon Exhaust Manifold Nuts Universal for Cars Trucks (M8 x 1.25)
ESWW$6.994.2★

2PCS M8x1.25 Exhaust Manifold Bolts Heavy Duty Exhaust Bolts and Nuts Kit with Springs for Muffler System Repairing Universal Muffler Studs Replacement Car Accessories (M8*1.25)
YGDMD$5.884.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Exact fit”
“Great Quality Hardware—Perfect Fit and Solid Performance”
“As advertised”
“great value for the money”
“Normal installation”
“They havent fallen off yet”
“I think these would be great for lots of scenarios where you need a not of security in a stable mount like in vehicle, machine, and farm uses”
“Working good”
“seem they will not rust easily ty”
“just as sturdy”
What buyers complain about
“Poor quality control”
“Did not fit”
“Did not fit 11 Impreza”
“drill out old rusted bolts”
“Misleading description of exhaust flange bolts”
“the bolts bent on installation”
“will eventually lose torque as it heats up”
“Used nuts and springs on my 88 Silverado would use again”
“money redoing the repair”
“They don't compress as fully as the stock ones”