This is a genuine Premium Compatibles Inc. / PCI Brand® quality replacement cartridge that replaces your used Okidata 43979001 drum unit. Our PCI Okidata 43979001 black drum unit gives you 25000 pages average at 5% print coverage and is 100% guaranteed to perform with your printer. The PCI Okidata 43979001 drum unit replaces your original Okidata B410, B420, B430, B440, MB400, MB460, MB470 or MB480 drum unit exactly.PCI is a proud USA owned and operated corporation. We combine precision manufacturing with rigorous multi-layer quality control procedures to provide you with a Okidata 43979001 drum unit replacement you can rely on. Our PCI Okidata 43979001 black drum unit replacement is manufactured to the highest standards and all our products come backed with our Premium Promise™ factory direct 1-year warranty. PCI 43979001-PCI brings you superior savings over Okidata 43979001 and delivers proven print quality and customer satisfaction. Relax and enjoy the savings knowing that use of this PCI Brand® Okidata 43979001 drum unit will not void your printer warranty. The PCI Okidata B410, B420, B430, B440, MB400, MB460, MB470 or MB480 drum unit is engineered to be fully compliant with your printer''s software and will work flawlessly with managed print software.Try our PCI Brand® Okidata 43979001 drum unit and you will understand why PCI customers love our products.