Spark Plugs
MaybeShoppers spend an estimated $12.6M a year here. But demand is soft, at -12.5% this quarter, so Spark Plugs is a Maybe.
- Flapen Score
- 57 / 100Top 17% of 7,287 Automotive niches · +8 vs the category median of 4957
- Market size
- $12.6M/yr10.3M searches / yr
- 90-day growth
- -12.5%search demand this quarter
- Competition
- 27%top-5 click share · 32 brands · 172 sellers
Flapen Score
Spark Plugs against its category
The dotted line is the Automotive average. Past it, Spark Plugs is stronger. Inside it, weaker.
Market
The Spark Plugs market on Amazon at a glance
Shoppers on Amazon United States searched for Spark Plugs 10.3M times last year and spent an estimated $12.6M. The top 5 brands take 71% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 2.6% of those searches ended in a purchase.
Shoppers searched for this 10.3M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.6% of those searches ended in a purchase. Searches in the last 90 days moved -12.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $12.6M a year.
- Searches, last 12 months
- 10.3M
- Growth, 90 days vs prior 90
- -12.5%
- Conversion, latest week
- 2.6%
- Market size, estimated
- $12.6Ma year
- Peak month
- March1.5× the quietest month
- Top search term
- spark plugs4.1M searches a year
02 · Price
A sale here is worth $46.82.
Listings sell for $46.82 on average, from $3.28 to $164.27. Amazon reports units sold in ranges. This niche sold 300K to 400K a year. The average listing sells 2,000 to 2,500 of them. At $46.82 that is $94K to $117K a year per listing.
- Average price
- $46.82inside the $15 to $100 sweet spot
- Price range
- $3.28–$164.27
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 300K–400K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- $94K–$117K
- Returns
- 3.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #156 within Ignition Parts. It carries 1,236 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.6%
- Average rank
- #156in Ignition Parts
- Average rating
- 4.58 starsAmazon United States average 4.42 stars
- Average reviews
- 1,236per listing
- Listings tracked
- 106
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Spark Plugs products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix) 4 Pack
- Price
- $33.54
- Rating
- 4.6/5
- Reviews
- 2,242
- Age
- 7y ago

NGK # 3186 G-Power Platinum Spark Plugs TR5GP - 8 PCSNEW
- Price
- $35.16
- Rating
- 4.6/5
- Reviews
- 4,890
- Age
- 11y ago

NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix) 4 Pack
- Price
- $34.08
- Rating
- 4.5/5
- Reviews
- 2,854
- Age
- 7y ago

NGK 3951 Spark Plugs TR55 (6 Pack)
- Price
- $20.71
- Rating
- 4.7/5
- Reviews
- 5,018
- Age
- 6y ago

NGK 3951 Spark Plugs TR55 (8 Pack)
- Price
- $26.85
- Rating
- 4.6/5
- Reviews
- 5,004
- Age
- 9y ago
Trending
estimated 90-day click momentum
NGK 2667 Spark Plug BKR7EIX Iridium IX (4 Pack)
- Price
- $35.70
- Rating
- 4.7/5
- Reviews
- 257
- Age
- 6y ago

NGK Iridium IX Spark Plugs Compatible with Chevrolet Silverado 1500 5.3L 6.2L V8 2014-2024 (8 Pack)
- Price
- $71.08
- Rating
- 4.5/5
- Reviews
- 166
- Age
- 3y ago

NGK Spark Plug BKR5E-11- Set of 4
- Price
- $16.32
- Rating
- 4.8/5
- Reviews
- 349
- Age
- 11y ago

NGK Set of 16 Iridium IX Spark Plugs For Chrysler Dodge Jeep Ram 5.7 6.4 V8
- Price
- $164.27
- Rating
- 4.7/5
- Reviews
- 204
- Age
- 4y ago

NGK V-Power Spark Plug TR5 (8 Pack) for CHEVROLET SILVERADO 1500 LS 2010-2013 5.3L/325
- Price
- $27.46
- Rating
- 4.6/5
- Reviews
- 232
- Age
- 7y ago
Newest
by launch date
Marsram Ignition Coil Pack UF596 & Double Iridium Spark Plug 4912 for 2009 2010 2011 Toyota Corolla Matrix Prius 2012 2013 2014 2015 2017 Lexus Scion IM XD Pontiac Vibe 1.8L L4 UF619 90919-02258
- Price
- $58.87
- Rating
- 4.5/5
- Reviews
- 3,249
- Age
- 2y ago

A-Premium Iridium Platinum Spark Plugs Pack of 6 Compatible with Honda
- Price
- $36.50
- Rating
- 4.6/5
- Reviews
- 1,019
- Age
- 2y ago

ENA 8 Pack UF413 Ignition Coil 41962 Spark Plug and 48322R Wires Set for 5.3 6.0 6.2 Compatible with Buick Cadillac Chevrolet GMC Hummer Escalade Express Savana 2500 5.3L 6.2L 6.0L 4.8L for 12570616
- Price
- $156.11
- Rating
- 4.3/5
- Reviews
- 267
- Age
- 3y ago

BDFHYK Ignition Coil Pack UF648 and Iridium Spark Plug 97390 Compatible with Jeep Grand Cherokee 2011-2015 Jeep Wrangler Dodge Charger Grand Caravan 2016 Chrysler 200 300 Jeep Coil Pack 3.6L Set of 6
- Price
- $69.71
- Rating
- 4.5/5
- Reviews
- 5,181
- Age
- 3y ago

Set of 4 Ignition Coil Pack and Spark Plugs Fits for 2007 2008 2009 2010 2011 2012 2013 Nissan Altima Versa Sentra Rogue Cube NV200 2.5 1.8 1.6 2.0 L4 Spark Plugs Coil Packs Replaces# UF549 & 9029
- Price
- $64.85
- Rating
- 4.7/5
- Reviews
- 771
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 27% of clicks, no more. An open shelf where new products get seen.
Brands
32 rising
Sellers
172
Est. top-5 brand share
71%
Top 20: 94%
Est. top-5 click share
27%
Top 20: 48%
Open market
25%
- NGK49%
- Bosch8%
- A-Premium6%
- ACDelco5%
- ENA4%
- LCWRGS4%
Demand
Spark Plugs search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Spark Plugs search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- spark plugs4.1M/yr
- ignition coil1.5M/yr
- coil pack1.0M/yr
- spark plugs and coil packs kit719K/yr
- coil packs and spark plugs389K/yr
- spark plug368K/yr
- ngk spark plugs303K/yr
- ignition coils and spark plugs set181K/yr
- bobinas de encendido202K/yr
- coil packs224K/yr
Reviews and returns
What reviews say buyers love and hate about Spark Plugs
We read the reviews and the return reasons for every product selling here.
“Horrible quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Spark Plugs questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









