Add to Basket Compare Quick view HP 647289-001 - HP Liquid Cooler Heatsink/Fan Assembly for Z420 WorkStation MSRP: £1,107.07 Now: £922.56 Inc. VAT Was: MSRP: £922.56 Now: £768.80 Ex. VAT Was: 647289-001 - HP Liquid Cooler Heatsink/Fan Assembly for Z420 WorkStati MSRP: £1,107.07 Now: £922.56 Inc. VAT Was: MSRP: £922.56 Now: £768.80 Ex. VAT Was: Add to Basket Compare Quick view