ReplacementRadios, one of the largest factory audio/video websites, has branched out!! If you?ve been to our site, you know we have a HUGE selection of OEM radios and compatible accessories. Now we?re offering a few select products here too. Same great ReplacementRadios quality.....in a new location. SUMMARY Brand New assembly line left-over (Has never been used) OEM factory original amp/booster signal processor Ford part number 6H6T-18C851-AH Appears to have been for the THX system Sticker on the processor says THX 30 day warranty DETAILS Are you in need of a signal processor for your THX sound system? Don't settle for a used take-out that may only last a few weeks. This is a BRAND NEW factory Lincoln THX processor that was offered in some of the vehicles listed below. Engineering (part) number is 6H6T-18C851-AH. You're not getting anything other than the processor pictured. The bracket it is attched to is not included. This is the EXACT SAME item your local Lincoln dealer would be happy to charge you $100+ for and then laugh all the way to the bank... The engineering (part) number has been provided. It's up to you to do the appropriate research before purchase. There were severalnumbers offered for the vehicles on the list. Make sure this is the one you need before ordering. APPLICATIONS MKZ: 2007-2009 Zephyr: 2006 ABOUT US: We are not a salvage yard. We are not affiliated with a salvage yard. We don't have the typical parts sales mentality. We specialize in one thing: factory audio/video and accessories. We're very picky and strive to provide products that we'd be proud to have in our own vehicles. When you buy an item from us, you're getting a unit that is guaranteed to work. Occasionally problems arise with electronics. However, please know that we never knowingly send out a product that has a problem. It's not in our best interest to send out defective product because we'll just waste time and money replacing them under our warranty. We aim to keep our warranty returns low and our customer satisfaction high. Please give us a chance to add you to our long list of satisfied customers. SHIPPING HANDLING Shipping cost is based on weight and zip code. This site does the figuring, not us. If you feel their calculation is high, you might be underestimating the package weight and/or current shipping costs from our zip code (62401) to yours. Please don't ding us for shipping in the ratings, as we have no control over ever-increasing carrier rates. We will enter a tracking number into your order details here on the site. They will email it to you if your notification preferences are set correctly. A signature is not typically required. If you are not home to receive the package, it will most likely be left at your door. Please monitor it's progress and arrange to collect it when it arrives. This site provides a section/tab in each ad for Shipping information. We encourage you to check that section for prices, methods, time-frames, etc.