We offer a 100% Quality Satisfaction Guarantee on our alternative remanufactured inkjet cartridges and supplies to replace the Dell OEM Series 5. The Refurbished replacement for Dell Series 5 can also be used instead of these OEM numbers: T0601, K1143, 310-4154, 310-4152, K1147, T0722, 592-10042, 592-10056.