Help! Need Pulley Part#

Overclock · Post by **Overclock** » November 21st, 2006, 6:56 pm

I had a pulley changed on my ZE recently and told the garage to use 2.5L '95 MX-6 parts for my car and the pulley they installed does not fit at all. Can anyone help me out with the part number I need. I can't make out any part numbers on the broken pulley except for a 9V on the metal and NSK 6203DULX on the inner rubber part. I'm not very mechanically inclined so I can't say which pulley it is other than it's from the left side of the engine and had to do with the alternator because when the pulley broke I lost all power in my car (after about 10 mins of the battery draining).

hgallegos915 · Post by **hgallegos915** » November 21st, 2006, 8:44 pm

thats strange.. my k8 pulley fit my klze..

PATDIESEL · Post by **PATDIESEL** » November 21st, 2006, 10:27 pm

What does the pulley attach to? The alt, the crank, the idler pulley??? We have to know which one to be able to give a part number. Actually you can find which it is and the part number at the same time by finding a pic of it in the online shop manual on MX-3.coms front page. Look on the left side under the "Tech" section.

Overclock · Post by **Overclock** » November 21st, 2006, 10:41 pm

I wish I knew what I was hooked to. The pulley itself is 8 cms in diameter. Does that help any?

max kl · Post by **max kl** » November 21st, 2006, 11:38 pm

if my crude math is correct 8 cm is 3.1 inches

the alternator pulley is under 2''
the p/s pulley is over 4"
main craink pulley is 6-8"
ac pulley 5"
so that leaves the tensioner pulleys
both belts have one they both are smooth or non groved
is this is the needed part i would recomend replacing the sealed bearing its self. instead of the whole pulley. the bearing is a bca 603 i think.
if you want i will check it out and confirm the part number. the bearing is used in tons of other pullies any part store can sell a idler pulley for a doge mini van and you can knock it out of that pulley and pressit in to your pulley.

Yoda · Post by **Yoda** » November 22nd, 2006, 2:50 pm

NSK 6203 DULX Is a bearing number. This would make it the alt. belt tensioner idler pulley. I don't see why it would fit it is the same parts on all the K series V-6 engines.

Overclock · Post by **Overclock** » November 22nd, 2006, 7:21 pm

Yes the pulley is smooth all around and I definitely need to change the whole pulley and not just the bearing.

Yoda · Post by **Yoda** » November 22nd, 2006, 9:17 pm

Overclock wrote:Yes the pulley is smooth all around and I definitely need to change the whole pulley and not just the bearing.

I looked through my box of parts pulled from various KL-ZE, KL-DE, K8 and a KF. Of the 7 or 8 tensioners and idler pulleies I looked at they all have the same alternator belt tensioner bracket double threaded adjustment screw and idler pulley. The only thing I can see is that your mechanic lost the hard plastic spacer that goes between the pulley and bracket.