Spark plug Bosch or OEM FORD

My F15 had the Bosch ZR5TPP33-S from the factory. I replaced with ZR5TPP33 when doing the valve cover about 20K miles ago, and no problems so far.

If you change the plugs; use the recommended plugs. I used Bosch Double Iridiums in my truck and they've worked good for 4 years now.

I just picked up 6 Bosch dual electrode double iridium spark plugs from autozone near me and threw them in. Fires great!

I used the gimmicky Bosch Platinum 4+ plugs which solved that problem (no more CELs) but sometimes idle is still a bit rough.

I got a sp series cold air intake and ecs performance ignition coils with bosch spark plugs. I once ran this car with 3 spark plugs for to much time and almost no oil at one point too.

I don't use spark plugs like that unless the vehicle specifically specs for them. We used to put Bosch W7DTC's in these, or at a minimum, just the single electrode version.

buy original. or atleast bosch, they are OEM-quality

these BRISK ones are cat in a bag

These things literally blast out spark plugs ????. Lots of other tricky issues too. I'm know I'm very biased towards GM but I wouldn't mess with this generation at all for a Ford lol.

My s2000 ate the Bosch plugs I put in, which were rated for the car/f20.

ford. had the explorer with the long spark plugs that break. did them once and that truck wasnt around much longer. focus. dual clutch transmission failure.