Need Help Finding Correct PN# For Inner Belt System Idler Pulleys

Pinci

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Hey guys. I'm planning on going through the inner accessory belt system on my 2003 Cobra, but want to confirm a few PN#s before i start ordering. I'm trying to find the extended part #s for idlers 1, 2, & 3 on the diagram. I've been on a few different sites and haven't been able to determine which "8678" idler is correct for each spot. Any help would be appreciated. Thanks.
2003CobraInnerBeltRoutingDiagram.gif
 

olympic

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#1 (smooth pulley) MOTORCRAFT - YS253 Ford - 1L2Z-8678-AB
#2 and 3 (6 groove pulley) is MOTORCRAFT YS249 Ford - YW7Z-8678-AA
 

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