the AA has been superseded by the AB which is the Mercedes replacement part at $100 more than the AA. The AB will require you to provide a nut to put it in with. See my earlier post:
I have the the 5124443AB
The photos of both the old siren and the new 512443AA show a threaded hole for a stud. The one I've attached has a stud.
I installed the
new alarm today and it functions exactly as described...I have "chrip"
I did have to find a nut for the new siren, but otherwise it works as described! The only downside, if you want to call it that, is that the security bolt is no longer used, but I figure if a thief is getting that far into my car he/she would have a security torx set anyway.
I used a battery post puller to take off the wiper blades. Marked where they went with tape before total removal, though.
AND the discovery by HOT WHEELS:
Hello, I'm super confused,Check the part # and the "PRICE",The new one is part #5124443AA, but the replacent is part #5124443AB, as the link says (
Chrysler Parts Direct - Chrysler, Dodge, Jeep Parts and accessories ), and the price! OMG, you got a bargain.
Thanks ,I'll surf for prices!
Part number 5124443AA was superseded by part number 5124443AB.
Collision Catalog
Item Number MSRP Core Price Price
5124443AB $194.00 $0.00 $151.32
Electrical - Alarm system - Alarm horn
Alarm horn 2004 - 2008
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OEM Catalog
Item Number MSRP Core Price Price
5124443AB $194.00 $0.00 $151.32