Lawn Mower Spark Plug
FailShoppers spend an estimated $51K a year here, so Lawn Mower Spark Plug is a Fail.
- Flapen Score
- 44 / 100Ranks 7,439 of 8,839 Patio, Lawn & Garden niches · −12 vs the category median of 5644
- Market size
- $51K/yr63K searches / yr
- 90-day growth
- +76.6%search demand this quarter
- Competition
- 84%top-5 click share · 9 brands · 40 sellers
Flapen Score
Lawn Mower Spark Plug against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Lawn Mower Spark Plug is stronger. Inside it, weaker.
Market
The Lawn Mower Spark Plug market on Amazon at a glance
Shoppers on Amazon United States searched for Lawn Mower Spark Plug 63K times last year and spent an estimated $51K. The top 5 brands take 90% of clicks. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 9.6% of those searches ended in a purchase.
Shoppers searched for this 63K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.6% of those searches ended in a purchase. Searches in the last 90 days moved +76.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $51K a year.
- Searches, last 12 months
- 63K
- Growth, 90 days vs prior 90
- +76.6%
- Conversion, latest week
- 9.6%
- Market size, estimated
- $51Ka year
- Top search term
- lawn mower spark plug18K searches a year
02 · Price
A sale here is worth $8.47.
Listings sell for $8.47 on average, from $3.97 to $18.82. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 500 to 750 of them. At $8.47 that is $4K to $6K a year per listing.
- Average price
- $8.47under the $15 to $100 sweet spot
- Price range
- $3.97–$18.82
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $4K–$6K
- Returns
- 1.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
82% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #60 within Lawn Mower Parts & Accessories. It carries 926 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 91%
- Out of stock, average day
- 0.0%
- Average rank
- #60in Lawn Mower Parts & Accessories
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 926per listing
- Listings tracked
- 11
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Lawn Mower Spark Plug 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 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Briggs & Stratton 491055S - 2 Pack
- Price
- $6.75
- Rating
- 4.7/5
- Reviews
- 2,944
- Age
- 12y ago

Briggs & Stratton 796112-2pk Spark Plug (2 Pack) Replaces J19LM RJ19LM 802592 5095K by Briggs & Stratton
- Price
- $7.30
- Rating
- 4.7/5
- Reviews
- 1,562
- Age
- 10y ago

593260 Air Filter with Pre Filter and Spark Plug Fits for B&S 725EX 625EX 575EX 550EX 525EXI Engines Air Filter Parts for Toro Recycler 22 and Troy Bilt Lawn Mower
- Price
- $8.04
- Rating
- 4.7/5
- Reviews
- 491
- Age
- 2y ago

RC12YC Spark Plugs Compatible with Champion Briggs and Stratton 491055 491055S 692051 792015 491055T 5066 Kohler 25 132 12-S JD M78543 531308128 Lawn Mower Engine
- Price
- $10.00
- Rating
- 4.6/5
- Reviews
- 299
- Age
- 2y 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
- 1,004
- Age
- 8y ago
Trending
estimated 90-day click momentum
Autolite Xtreme Start Iridium Lawn & Garden Spark Plug Automotive Replacement XST255DP
- Price
- $3.97
- Rating
- 4.7/5
- Reviews
- 25
- Age
- 17y 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
- 272
- Age
- 1y ago

Briggs & Stratton 796112-2pk Spark Plug (2 Pack) Replaces J19LM RJ19LM 802592 5095K by Briggs & Stratton
- Price
- $7.30
- Rating
- 4.7/5
- Reviews
- 1,562
- Age
- 10y ago

Briggs & Stratton 491055S Spark Plug
- Price
- $4.75
- Rating
- 4.7/5
- Reviews
- 1,954
- Age
- 16y ago

593260 Air Filter with Pre Filter and Spark Plug Fits for B&S 725EX 625EX 575EX 550EX 525EXI Engines Air Filter Parts for Toro Recycler 22 and Troy Bilt Lawn Mower
- Price
- $8.04
- Rating
- 4.7/5
- Reviews
- 491
- Age
- 2y ago
Newest
by launch date
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
- 272
- Age
- 1y ago

593260 Air Filter with Pre Filter and Spark Plug Fits for B&S 725EX 625EX 575EX 550EX 525EXI Engines Air Filter Parts for Toro Recycler 22 and Troy Bilt Lawn Mower
- Price
- $8.04
- Rating
- 4.7/5
- Reviews
- 491
- Age
- 2y ago

RC12YC Spark Plugs Compatible with Champion Briggs and Stratton 491055 491055S 692051 792015 491055T 5066 Kohler 25 132 12-S JD M78543 531308128 Lawn Mower Engine
- Price
- $10.00
- Rating
- 4.6/5
- Reviews
- 299
- Age
- 2y ago

RC12YC Spark Plug 491055 (Pack of 10) Fit for Briggs & Stratton Spark Plug Replace 491055S 491055T 72347GS 72347 805015 M78543
- Price
- $18.82
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 3y ago

OEM (Pack of 2) Champion Spark Plugs for Briggs & Stratton 491055 491055S 491055T
- Price
- $9.12
- Rating
- 4.7/5
- Reviews
- 252
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 84% of clicks. A locked shelf that new listings rarely crack.
Brands
9 falling
Sellers
40
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
84%
Top 20: 100%
Open market
7%
- Briggs & Stratton68%
- KELKONG7%
- Tecreddy6%
- Harbot4%
- Autolite Iridium Ultra4%
- Butom3%
- Open — no brand owns it (3 brands, 7%)
Demand
Lawn Mower Spark Plug search demand
Weekly searches over the year. Pick a range.
Search terms
Top Lawn Mower Spark Plug search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- lawn mower spark plug18K/yr
- briggs and stratton spark plug13K/yr
- lawnmower spark plug7K/yr
- 491055s4K/yr
- lawn mower spark plugs4K/yr
- spark plug for lawn mower4K/yr
- 491055s spark plug briggs and stratton3K/yr
- small engine spark plugs5K/yr
- spark plug for briggs and stratton2K/yr
- 491055s spark plug2K/yr
Reviews and returns
What reviews say buyers love and hate about Lawn Mower Spark Plug
We read the reviews and the return reasons for every product selling here.
“Cheap”
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.
17 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 Lawn Mower Spark Plug 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









