For kenworth t660 t680 & peterbilt 587 579 monroe front pair shocks struts csw 100% brand new, premium iso/ts 16949 quality tested to meet or exceed oem specifications. INTERCHANGES WITH THE FOLLOWING PART NUMBERS. W/ AG130 Suspension Front Pair. This item is in the category eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Steering & Suspension\Shocks, Struts & Assemblies.