Champion Spark Plugs
MaybeBuyers convert on 18.1% of searches. But the top 5 brands take 93% of clicks, so Champion Spark Plugs is a Maybe.
- Flapen Score
- 59 / 100Top 11% of 7,287 Automotive niches · +10 vs the category median of 4959
- Market size
- $705K/yr320K searches / yr
- 90-day growth
- +93.2%search demand this quarter
- Competition
- 67%top-5 click share · 9 brands · 78 sellers
Flapen Score
Champion Spark Plugs against its category
The dotted line is the Automotive average. Past it, Champion Spark Plugs is stronger. Inside it, weaker.
Market
The Champion Spark Plugs market on Amazon at a glance
Shoppers on Amazon United States searched for Champion Spark Plugs 320K times last year and spent an estimated $705K. The top 5 brands take 93% of clicks. Demand peaks in Apr–May–Jun. Flapen scores it 59 out of 100, a Maybe.
01 · Demand
An estimated 18.1% of those searches ended in a purchase.
Shoppers searched for this 320K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 18.1% of those searches ended in a purchase. Searches in the last 90 days moved +93.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $705K a year.
- Searches, last 12 months
- 320K
- Growth, 90 days vs prior 90
- +93.2%
- Conversion, latest week
- 18.1%
- Market size, estimated
- $705Ka year
- Peak month
- May5.0× the quietest month
- Top search term
- rc12yc spark plugs70K searches a year
02 · Price
A sale here is worth $12.18.
Listings sell for $12.18 on average, from $3.91 to $58.51. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 3,000 to 4,000 of them. At $12.18 that is $37K to $49K a year per listing.
- Average price
- $12.18under the $15 to $100 sweet spot
- Price range
- $3.91–$58.51
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 50K–60K
- Units per listing a year
- 3,000–4,000
- Revenue per listing a year
- $37K–$49K
- Returns
- 1.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
78% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #75 within Ignition Parts. It carries 1,539 reviews at 4.69 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 78%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #75in Ignition Parts
- Average rating
- 4.69 starsAmazon United States average 4.42 stars
- Average reviews
- 1,539per listing
- Listings tracked
- 18
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 46 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
- 46 months
Products
Top Champion 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
Champion Spark Plug for Craftsman (2 Pack) # 71G RC12YC-2pk
- Price
- $8.65
- Rating
- 4.7/5
- Reviews
- 3,614
- Age
- 12y ago

(Pack of 2) Champion Spark Plugs for John Deere M78543 M87543 RC12YC Engine
- Price
- $8.66
- Rating
- 4.8/5
- Reviews
- 1,263
- Age
- 5y ago

Wetenex RC12YC Spark Plug for Brigg 491055T 491055S 491055 692051 792015 kohler 12 132 02-S Champion RC12YC Spark Plug (2 PACK)
- Price
- $7.73
- Rating
- 4.6/5
- Reviews
- 265
- Age
- 1y ago

Harbot RC12YC Spark Plug for BS 491055 491055S 491055T 792015 692051 694385 759-3336 John Deere M78543 M87543 Kohler 12 132 02 (Pack of 2)
- Price
- $7.28
- Rating
- 4.7/5
- Reviews
- 990
- Age
- 8y ago

GENUINE CHAMPION SPARK PLUGS - RC12YC SPARK PLUG (PREM PLUG IS 2071) 515312
- Price
- $9.46
- Rating
- 4.7/5
- Reviews
- 317
- Age
- 13y ago
Trending
estimated 90-day click momentum
JSIERLUOV RC12YC BKR5E Spark Plugs for MTD 759-3336 Champion Briggs 491055S 692051 792015 kohler 12 132 02-S John Deere M78543 M8754 Autolite 3924 Spark Plug (4 Pack)
- Price
- $8.91
- Rating
- 4.7/5
- Reviews
- 36
- Age
- 5mo ago

GENUINE CHAMPION SPARK PLUGS - RC12YC SPARK PLUG (PREM PLUG IS 2071) 515312
- Price
- $9.46
- Rating
- 4.7/5
- Reviews
- 317
- Age
- 13y ago

Champion Copper Plus 71 (RC12YC) Pack of 4 (UPC 037551500147) for 1984-2020 Toyota Corolla
- Price
- $11.78
- Rating
- 4.8/5
- Reviews
- 78
- Age
- 8y ago

MAXPOWER 334058 Spark Plug For Riding Mowers NGK BKR5E Champion RC12YC Autolite 3924
- Price
- $5.01
- Rating
- 4.7/5
- Reviews
- 797
- Age
- 16y ago

(Pack of 2) Champion Spark Plugs for John Deere M78543 M87543 RC12YC Engine
- Price
- $8.66
- Rating
- 4.8/5
- Reviews
- 1,263
- Age
- 5y ago
Newest
by launch date
JSIERLUOV RC12YC BKR5E Spark Plugs for MTD 759-3336 Champion Briggs 491055S 692051 792015 kohler 12 132 02-S John Deere M78543 M8754 Autolite 3924 Spark Plug (4 Pack)
- Price
- $8.91
- Rating
- 4.7/5
- Reviews
- 36
- Age
- 5mo ago

2 Pack RC12YC Spark Plug for Briggs and Stratton 491055S 491055T 491055 692051 792015 for Kohler 12 132 02-S for Champion RC12YC Spark Plugs
- Price
- $7.60
- Rating
- 4.5/5
- Reviews
- 82
- Age
- 1y ago

Hipa 10 PACK RC12YC Spark Plug for BS 491055S 491055 491055T 692051 792015 5066 Kohler 12 132 02-S John Deere M78543 M87543
- Price
- $19.82
- Rating
- 4.6/5
- Reviews
- 57
- Age
- 1y ago

Wetenex RC12YC Spark Plug for Brigg 491055T 491055S 491055 692051 792015 kohler 12 132 02-S Champion RC12YC Spark Plug (2 PACK)
- Price
- $7.73
- Rating
- 4.6/5
- Reviews
- 265
- Age
- 1y ago

(Pack of 2) Champion Spark Plugs for John Deere M78543 M87543 RC12YC Engine
- Price
- $8.66
- Rating
- 4.8/5
- Reviews
- 1,263
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
78
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 100%
Open market
4%
- Champion63%
- Wetenex9%
- Harbot9%
- Butom7%
- Briggs & Stratton5%
- JSIERLUOV3%
- Open — no brand owns it (3 brands, 4%)
Demand
Champion Spark Plugs search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jun · busiest ÷ quietest = 5.0×
Search terms
Top Champion Spark Plugs search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rc12yc spark plugs70K/yr
- champion rc12yc50K/yr
- rc12yc43K/yr
- rc12yc champion spark plug27K/yr
- champion rc12yc spark plugs25K/yr
- lawn mower spark plug18K/yr
- rc12yc spark plug15K/yr
- briggs and stratton spark plug13K/yr
- champion spark plug rc12yc13K/yr
- spark plug rc12yc10K/yr
Reviews and returns
What reviews say buyers love and hate about Champion Spark Plugs
We read the reviews and the return reasons for every product selling here.
“Horrible spark plugs”
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.
19 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 Champion 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









