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9012 bulb lasted 2 yrs... good? #5292728 12/12/19 05:43 PM
Joined: Apr 2013
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mclasser Offline OP
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I put Philips 9012s in my Accord in Oct 2017 and today, one of them went out. To be safe, I ordered another pair in case the other one goes out soon.

I didn't know these are LL bulbs. I used them moderately, so I expected more life out of them. Even the old Silverstars I had were still going strong after 2 yrs. Am I being nit-picky or is 2 yrs a good run for the 9012s?


2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292744 12/12/19 05:56 PM
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Wolf359 Offline
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Did you wear gloves when you installed them? Any kind of oils on bulbs will shorten their lifespan.

Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292746 12/12/19 05:57 PM
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pitzel Offline
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And how many hours do you think they were used?


Change your thinking...not your oil!
Turn your mind....not your rotors!
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292766 12/12/19 06:12 PM
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Doesn't sound good to me.


2018 Tesla Model 3, Medium Range Battery
2018 Lexus RX450h
2013 Lexus GS350 F Sport
2006 Acura TSX
2001 Tundra Access Cab, 1998 Accord LX, 1968 Corvette L36 Roadster, 1965 Olds 4-4-2
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292780 12/12/19 06:25 PM
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Skippy722 Online Happy
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Do your headlights come on when you unlock the car?


2016 Chrysler 300S v6
2018 Dodge Grand Caravan GT

Slight Mopar obsession
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292791 12/12/19 06:34 PM
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LeakySeals Offline
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Did you use lube? blush


06 Escalade 6.0L LQ9 AWD 170k M1 5w30
03 Maxima 3.5L 170k Maxlife HM 10w30
05 Malibu Classic 2.2 111k M1 5w30
06 Altima 2.5L 167k unk
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292890 12/12/19 08:29 PM
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Rolla07 Offline
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9011/9012's on my corolla lasted less than a year...wore fresh gloves and proper install. I ended up going to LEDs.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967
2015 Toyota Venza Parisian Blue Pearl 25k miles
TGMO 0W20 & OEM filter

Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292902 12/12/19 08:45 PM
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Kira Offline
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Don't overlook loose connections.

The rolled sided female connector goes slack and needs to be crushed a bit with pliers to facilitate a solid contact,

Use a touch of grease.

Bulbs last longer.

Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5292939 12/12/19 09:25 PM
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Dave_Mark Offline
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B3 is 900h. 3% of bulbs will have failed at 900h at 13.2 volts.

Tc is 1400h. 63% of bulbs will have failed at 1400h at 13.2 volts.

Your Accord's alternator is almost definitely putting out more than 13.2 volts, and most of that is probably making it to your bulbs.

At 14 volts reaching the bulb (not necessarily alternator output), the bulb's B3 would be less than 500 hours.

Last edited by Dave_Mark; 12/12/19 09:26 PM.
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5295951 12/16/19 12:41 PM
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mclasser Offline OP
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I changed the bad bulb w/another Philips 9012LL and all is well again. Comparing the new vs old boxes, there are some notable changes:

OLD:
[Linked Image from i.ebayimg.com]

NEW:
[Linked Image]


The extra ~200K explains why the new bulb is slightly whiter than the 2 yr old bulb on the driver's side. Perhaps it will color shift over time and become more yellow. But, I'm curious about the drastic change in lifespan. What could have Philips changed?


2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5295959 12/16/19 12:53 PM
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dogememe Offline
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The 9012 Sylvania XtraVisions I put in place of the 9006 bulbs in my Burb have a lifespan of 150hrs so by comparison your bulbs have an excellent lifespan.

I think 2 years is reasonable for a headlight bulb, not sure why you are so concerned about it?

Last edited by dogememe; 12/16/19 12:53 PM.

2010 Ford Escape 2.5 ~102K Miles: Castrol Magnatec 5W-20, Wix Filter.
2001 Chevy Suburban 5.3 ~290K Miles: Valvoline Maxlife 10W-30, ACDelco Filter.
Re: 9012 bulb lasted 2 yrs... good? [Re: mclasser] #5295964 12/16/19 12:57 PM
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CharlieBauer Offline
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To me, the phrase "Up To" is incompatible with "Average".


It ain't what you don't know that gets you into trouble. It's what you know for sure that ain't so.

- mistakenly attributed to Mark Twain
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