The Fuel Filter 311-3901 3113901 Caterpillar cross reference 3577745 363-6572,Application For Paving Compactor(CB-44B CB-54B CB46B CB7 CB8 CCS7 CD-44B CD-54B),Backhoe Loader(415F2 415F2 IL 427F2),Excavator(311F LRR 312F GC 313F GC 313F LGC 320D3),Telehandler(C3.4B C4.4 TH336C TH337C TH3510D TH357D TH406C)