This is a A-362011R91 Harness, Headlight PN: 362011R91Main Description As Following : A-362011R91 Harness, Headlight P.N: 362011R91 6 Volt w/4 Cables - Gas & Diesel Found in Section & Models : Ignition & Electrical Parts > Ignition & Related Parts, Case-IH TRACTOR: 300, Case-IH TRACTOR: 350, Case-IH TRACTOR: 400 FARMALL, Case-IH TRACTOR: 450, Ignition & Electrical Parts > Lights & Related Parts, Case-IH TRACTOR: 300, Case-IH TRACTOR: 350, Case-IH TRACTOR: 400 FARMALL, Case-IH TRACTOR: 450 Associated Items : New Also A-CA-O-300, A-CON-S-ZDGDETC, A-IH-C-MUSCLES, A-IH-O-ROTCUTFH, A-IH-P-HYDTCH, A-IH-S-CARBSPEC, A-IH-S-ENGGASE, A-IH-S-HMTRANFD, A-IH-S-TOOLSLATE, A-IH-S-TUNEUP, A-SMIH10, A-CA-P-350, A-CA-S-350, A-IH-C-MUSCLES, A-IH-O-350DSL, A-IH-O-350DUTIL, A-IH-O-350UTIL, A-IH-P-ACCESSORY, A-IH-P-300350, A-IH-P-350UTIL And : 6 Volt w/4 Cables - Gas & Diesel