It has been satisfactorily argued that the inexpensive Autolites work as well as the expensive Iridiums, with the understanding that the Autolites must be changed more often.
Pros: work as well
Cons: changed more often
Reviews of Autolite parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
2.9
Manufacturer Ranking
#179
144
Spare Parts
3
Country
USA
Website
autolite.com
Spare Parts
Comparisons
i just changed mine out.. i put in the autolite 3923's ($4 for the set) . they seem to work fine. one thing to watch out for though - they were all gapped differently out of the package. be sure to measure the gap before putting them in, just in case. (the gap should be .028)
Pros: seem to work fine
Cons: gapped differently
Vehicle:
Volkswagen Jetta
Part number: 3923
Seems like you did everything except swap out a $2 spark plug. I had a misfire on cylinder #1 first then cylinders #3 and #4 until I went out and bought 4 new Autolite 3923 spark plugs and put them in and BINGO no more problems the car is running strong and not throwing any codes.
Pros: car running strong, no codes
Vehicle:
Volkswagen
Part number: 3923
I have autolites, they work well, but the car became jerky at part throttle when gapped at .024, runs better when opened wider for some reason.
Pros: work well
Cons: car became jerky
I've gotten autolites a few times for some domestic cars and they've been 0.005\" - 0.010\" off seemingly across the board, compared to what the box said they should be. And I wasted a day hunting down a misfire that turned out to be a bad spark plug out of the box.
Cons: incorrect gap, bad plug out of box, misfire
Don't go with Autolite XP iridium. I had on my Jetta and one of the tips basically melted after 25k. They suck.
Cons: tips melted, poor quality
Vehicle:
Volkswagen Jetta
Mileage: 25000 km
Many many internet reports of people having terribly short glow plug lives with the Autolite version.
Cons: short glow plug lives
Vehicle:
Volkswagen Jetta
I took a peak at mine the other week and the gap was HUGE so gapped them down to .035 and now cold starts are ROUGH. The pugs in there suck, anyway - old autlites.
Cons: rough cold starts, poor performance
After changing the plugs from OEM's to Autolite 3923's, the coil packs started popping up. I've read that the Autolites are smaller than the OEM's, so they don't hold on as tight...and then somebody else said this is bogus and they're both the same. Whatever the reason, the coil packs on my car do not like the Autolites.
Cons: coil packs started popping
Just installed my autolites 3922 (one range colder than stock 3923) they were gapped to 0.025" with this gap I'm having some problems on hot startups, colds ones are ok. I'll regap them tomorrow and see if it gets better, maybe I'm having some loss in performace as well due the small gap....
Pros: cold startups ok
Cons: problems on hot startups, potential performance loss
Part number: 3922
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