tune up kit
Worth a lookShows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Incredible16%top-5 click share — an open shelf
Review moat
Great244.5avg incumbent reviews — the moat a new listing must climb
Brand share
Great49%top-5 brand share — no brand owns this niche
Avg price
Good$104.75avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$288K$288K/yr · 213K searches
Returns
Okay3.1%return rate — above 6% kills the launch gate
Price range
Okay$8.96–$348.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-9.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.3%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.Brands
48 falling
Sellers
142
Top-5 brand share
49%
Open market
46%
- A-Premium15%
- AIP Electronics11%
- TRQ9%
- ENA8%
- SPARKWHIZ7%
- X4XZ5%
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 171 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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
ENA$156.114.3★267 rev
SPARKWHIZ Set of 8 Square UF413 Ignition Coils Pack & Platinum Spark Plugs & Wires Set Replacement for UF413 D510C 5C1554 Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon
SPARKWHIZ$140.354.2★90 rev
UF262 Ignition Coils Pack & Double Iridium Spark Plugs & 10.2MM Spark Plug Wires for Chevy Avalanche Express Tahoe Silverado Suburban 1500 2500 3500/GMC Savana Sierra Yukon/Hummer H2 OEM# D585
X4XZ$113.374.1★56 rev
Set of 8 UF413 Square Ignition Coils with 8mm 748UU Spark Plug Wires Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon Replacement for UF413 D510C 5C1554
SPARKWHIZ$122.784.4★193 rev
AIP Electronics Dragon Fire Performance Ignition Tune Up Kit Spark Plug Wire Set & Iridium Spark Plugs For 1999-2017 Chevrolet GM Chevy LS LSX LS1 LS2 LS3 LS6 LS7 OEM Fit Kit
AIP Electronics$109.074.4★184 rev
Newest
by launch date
Autoexact 6 Ignition Coils + 6 Iridium Spark Plugs Kit Fit for Ford 2007-2011 Edge 2008-2012 Taurus Flex Fusion Lincoln MKZ MKX MKS Mazda CX-9 3.5L 3.7L V6 Vehicles Direct Replacement for UF595 5019
autoexact$84.3412 rev
Genuine OEM Ignition Kit Distributor Rotor Cap Wire Spark Plugs for Chevy GMC V8 BCVC-14855-DCRWSP-8-3055654
Newparts$115.045 rev
8 Pack UF271 Square Ignition Coil Set with Iridium Spark Plugs and 8mm Wires for Chevy Silverado GMC Sierra Tahoe Yukon 1500 2500 3500 4.8L 5.3L 6.0L LS Tune Up Kit 12558693 12556893 3859078 Red
lronSafex$115.111 rev
HOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A
HOTUCAX$111.840 rev
Autoexact Ignition Coil Pack and Iridium Spark Plugs Kit Fit for Jeep 2016-2022 Grand Cherokee Wrangler Gladiator Chrysler Pacifica Dodge Durango Ram 1500 3.6L V6 Replacement for UF807 97390 6 Sets
autoexact$85.7869 rev
Trending
90-day click momentumHOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A
HOTUCAX$111.840.0★
Ignition Coil Pack and Iridium Spark Plugs for 1.4L Turbo Compatible with Buick Encore 2013-2021 & Chevy Trax Cruze Sonic 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Replace OE UF669 2667
Motorevo$58.973.8★
Motorevo Ignition Coil Pack and Iridium Spark Plugs Set of 4 Compatible with Toyota Yaris 2007-2018/Prius 2001-2009/Echo 2000-2005 & Scion xA xB 2004-2006 1.5L L4 Replace OE# UF316+7090
Motorevo$49.884.4★
Pindex 8 Pack DG508+SP479 Ignition Coils and Spark Plugs Coil Pack Kits Compatible with Ford 98-03 F150 99-04 F250 F350 03-05 E150 E250 E350 98-99 Lincoln 5.4L V8 FD503 DG508
Pindex$53.094.3★
Autoexact Ignition Coil Packs & Iridium Spark Plugs Kit Fit for Chevy 2010-2017 Equinox Malibu Cobalt HHR Captiva/GMC Terrain/Buick Verano LaCrosse/Pontiac G6/Saturn 2.0L 2.2L 2.4L L4 # UF491 4 Sets
autoexact$62.674.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.2% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality parts”
“Fit as it should”
“Best value”
“As advertised”
“No problems since installing”
“So far there have been no problems”
“Spark plugs work”
“Makes it easy”
“Makes routine maintenance straightforward”
“Runnning perfect”
What buyers complain about
“Low quality”
“Didn't fit”
“Didnt last”
“These plugs arent any good at all”
“get it all a little cheaper”
“Doesn't work for my vehicle as it stated they would”
“Had two coils that were not firing consistently”
“Other kits had some wrong parts”
“I did mistakenly order the kit with the small air filter”
“It stated that it was a match during ordering”