spark plugs motorcraft
Skip itA small market ($21K/yr) — this niche doesn't clear our bar today.
Avg price
Great$59.56avg listing price — sweet spot $15–$100
Review moat
Good573.91avg incumbent reviews — the moat a new listing must climb
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Price range
Good$4.83–$161.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.0%return rate — above 6% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Bad90%top-5 brand share — brand-locked demand
Growth
Bad-24.7%90-day search growth — must beat 0% to launch
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$21K$21K/yr · 63K searches
Competition
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
11 flat
Sellers
45
Top-5 brand share
90%
Open market
7%
- Motorcraft44%
- Ford24%
- MAS15%
- OVERSTOCKDIRECT4%
- A-Premium3%
- ENA3%
- Open — no brand owns it (5 brands, 7%)
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 35 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
New Motorcraft SP548 Spark Plug Set of 8 For Ford Mustang F-150 2011-2017
Ford$45.764.7★743 rev

Motorcraft Spark Plug - SP589
Motorcraft$7.414.6★120 rev

Pack of 8 Genuine Motorcraft Spark Plug SP-479 AGSF22WM
Motorcraft$41.434.7★2,959 rev

Pack of 8 Genuine Motorcraft Spark Plug SP-493 AGSF32PM
Motorcraft$44.334.7★2,314 rev

MAS Set of 8 Ignition Coil DG508 & Motorcraft Spark Plug SP479 Compatible with Ford 5.4L V8 Expedition F-150 F-250 Super Duty Expedition Lincoln Navigator AGSF22WM
MAS$92.424.5★5,613 rev
Newest
by launch date
MAS 6Pcs Ignition Coils Pack UF553 5C1652 & 6 Motorcraft Platinum Spark Plug SP520 SP589 CYFS12YT6 Compatible with Ford Explorer F-150 Mustang Taurus 3.5L V6 Lincoln MKS MKT 3.7L V6
MAS$121.696 rev

Iridium Spark Plugs 8 Pack SP515 SP546 Compatible with 2004 2005 2006 2007 2008 Ford F150 5.4 Expedition Explorer Mustang F250 F350 F450 & Lincoln Mark LT Navigator & Mercury Mountaineer V8 4.6L 5.4L
A-NAFTULY$45.44138 rev

6 pc NGK Ruthenium HX Spark Plugs compatible with Ford F-150 2.7L V6 2015-2019
Sixity Auto$81.2519 rev

SYKRSS SP479/SP493 Double Iridium Spark Plugs 8 Pack Compatible with Expedition Excursion F-150 F150 F-250 F350 Super Duty E150 E250 E350 E450 A8 Navigator 5.4L V8 Replacement for SP-479 AGSF22WM
SYKRSS$19.07312 rev

6 pc NGK Iridium IX Spark Plugs compatible with Ford F-150 3.5L V6 2011-2019
Sixity Auto$61.8575 rev
Trending
90-day click momentum
MAS 6Pcs Ignition Coils Pack UF553 5C1652 & 6 Motorcraft Platinum Spark Plug SP520 SP589 CYFS12YT6 Compatible with Ford Explorer F-150 Mustang Taurus 3.5L V6 Lincoln MKS MKT 3.7L V6
MAS$121.693.3★

Motorcraft Spark Plug - SP550X
Motorcraft$10.034.8★

Set of 6 NGK Iridium IX Spark Plug Pack Replacement For Ford 11 12 13 14 15 16 17 18 19 F150 F 150 3.5 3.5L V6 2011 2012 2013 2014 2015 2016 2017 2018 2019
Yoshi Motors$65.784.3★

BOSCH 96315 OE Fine Wire Double Iridium Spark Plug - Advanced Original Equipment Technology with 4X Life - Pack of 4
Bosch$31.114.6★

SYKRSS SP479/SP493 Double Iridium Spark Plugs 8 Pack Compatible with Expedition Excursion F-150 F150 F-250 F350 Super Duty E150 E250 E350 E450 A8 Navigator 5.4L V8 Replacement for SP-479 AGSF22WM
SYKRSS$19.074.5★
Demand
Weekly Amazon search volume, last 19 weeks — -24.7% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Worth it”
“Excellent product vehicle is”
“Correct fit”
“Works as intended”
“Good plugs”
“Works well”
“Easy to install”
“Reliable”
“Good Parts”
“Car repair”
What buyers complain about
“Poor handling of product”
“Too tall to fit under fuel rail”
“Didnt last”
“used and broken”
“Injectors are expensive”
“2 of the plugs were defective”
“Did not fit 2010 4.6 L V8”
“They don't look anything like the picture”
“Car parts”
“would shudder when you got on the gas”