8 0 2013 Mack Pinnacle CXU613 Engine Brake for a Mack CXU613 Newly Listed $125 USD Mack MP8 / Volvo D13 Engine Brake Control Valve, Jake Brake Control Valve, Part # 21596644 (Replaces 21452497, 21452477, 20574702, 20574692, 20709445, 20892740, 21370052), 21596651, Cast #... ConditionUsedFits To Make(s)MACKFits To Model(s)CXU613Stock NumberUPS-274281-18 MLS Number13891209CategoryEngine Brakes / Jake Brakes Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info