Condition:New Superseded Part Number:1814376C1, ZTSE4303 Manufacturer Part Number: Sleeve Cup Removal Kit Other Part Number:541-73TK-RB Fitment Type:Direct Replacement Interchange Part Number:T444E, WT73PD OEM INJECTOR CUP PART NUMBERS:F4TZ9F538A, F4TZ-9F538-A Package Include: 1 Fuel Injector Sleeve Installer In-Vehicle Alternative 1 Fuel Injector Sleeve Remover In-Vehicle Alternative 8 x Injector Cup Sleeve Plug 8 x F4TZ-9F538-A Sleeve (High-Quality Aftermarket) 8 x Injector O-Ring Kit (High-Quality Aftermarket) This is a brand new, high quality direct fit OE style replacement part 1994 Thru 2003 7.3L Powerstroke And Navistar T444E, DT466E Caterpillar 3126,3126B,3126E Diesel Engines This Job Can Be Done with The Cylinder Heads On, Works Great. Small Enough to Enable You to Change Even the Hard To Get At Cups At The Rear Of The Engine High Speed Steel Tap Used in The Removal Tool Is the Highest Quality Available It Will Stay Sharp and You Can Use This Tool Hundreds of Times Other Tools on the market Do Not Have Hardened Threads on Their Removal Tool These Tools Often Are Too Dull to Finish the Job