View 5 Photos View 0 Videos Paccar MUX3-P Electronic Chassis Control Module *Fits 2011-2016 Peterbilt 384 & $750 USD Paccar MUX3-P Electronic Chassis Control Module *Fits 2011-2016 Peterbilt 384 386, 2011-2017 Kenworth T660, 2011-2019 Kenworth T680, T880, W900B Peterbilt 567 579, 2011-2022 Kenworth... ConditionUsedPart NumberQ21-1077-2-103Stock Number976889 MLS Number14368520CategoryBody / Chassis Control Modules Last Updated5/14/2026 LocationFarr West, UT, US Sold ByRocky Mountain Truck Parts (855) 980-___ SHOWNUMBERCall Seller Email Seller Save More Info