For the Inline 6 cyl - 4200 vortec all aluminum LL8 engine
AC DELCO Iridium. #41-103
The only plug for these trucks that has been 100% reliable
Ngk cr9eia-9
what kind of car?
I would recommend the OEM spark plugs, AC/Delco. Excellent plugs.
no
AWSF-32C is the stock plugs
Check the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment , it will show what kind of spark plugs to use and the spark plug gap
What kind of Kia?
i would recommend ngk iridium plugs
All depends on what kind of spark plugs you have. It could either be 30,000 miles or 150,000 miles.
Dexcool every 5 years. www.trailvoy.com All the answers for your Envoy from true enthusiasts.
The stock plugs are best
GM part # 25795363 ac delco headphone assembly. Fits 2002-08 envoy.