This Freightliner / Ford / Sterling charge air cooler fits Ford L, LTL9000, ST9500 Series and Freightliner 1300. Core size is 35 1/4 x 33 3/8 x 2 1/4. The inlet is 4 1/2 and the outlet is 4". This CAC is 100% leak tested, direct fit replacement for OEM numbers listed. No Core Charge! Please confirm your OEM number before ordering. Contact us with any questions.