Bostech ISK811 HPOP Branch Tube Assembly O-Ring Repair Kit

2003-2004 Ford 6.0L Powerstroke (Built Before 9/23/03)
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The Bostech ISK811 HPOP Branch Tube Assembly O-Ring Repair Kit for your 2003 Ford 6.0L Powerstroke is designed to repair  the leaking hard pipe leading to the High Pressure Oil Pump (HPOP). Oil leaks on the early model 6.0L Ford / International Powerstroke high pressure oil system can cause a very challenging diagnostic process.  

One common problem that is often diagnosed as a pump failure is the seal around the hard piping leading to the pump. Bostech has the replacement Teflon and rubber O-rings available now.  This is an item that is not available from the OEM; they only offer the hard piping, not the seals. Fits models built before 9/23/03.  Pump and other pictured metal parts not included.


  • Repairs Leaking Branch Tube Assembly 
  • Fits Early Model With Round High Pressure Pump 
Includes: 5 Teflons, 10 O-Rings, 1 Pump Cover Gasket
Mfg. Number:

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