View 2 Photos View 0 Videos Mack AI Valve Cover Recently Updated $40 USD Good used, cleaned and inspected Mack AI valve cover, Part number: 337GB545 Quantity3ConditionUsedFits To Make(s)MACKFits To Model(s)AIPart Number337GB545Stock NumberRyd 337GB545 MLS Number10610458CategoryValve Covers Last Updated5/15/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info