View 7 Photos View 0 Videos Caterpillar 3126 Air Compressor for a 2003 Freightliner M2 106 $350 USD Used AIR COMPRESSOR off of Caterpillar 3126. Good condition. Casting # is (5003888). Please see pictures. Please call or email with any questions., Serial#: 5003888, Core Charge: 0.00,... ConditionUsedFits To Make(s)FreightlinerFits To Model(s)M2 106Will Fit Year(s)2003Part Number190003-26Stock Number190003-26 MLS Number9672349CategoryEngine Air Compressors Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info