River City Diesel 1735370001 Thumper 1 HPOP 2004.5-2007


Core Charge

Looking for an upgrade from your factory high pressure oil pump? Look no further than the River City Diesel Thumper 1 HPOP. This drop-in replacement for 2004.5-2007 6.0L Powerstroke diesel engines can give you up to 100 HP gain over stock at 3000 RPM*. And it comes with a 1-year warranty, so you can be confident in its performance. The "Thumper" name is synonymous with diesel performance, and this pump lives up to that reputation. Don't miss out on this great upgrade for your engine.

  • Drop in replacement for factory high pressure oil pump on 6.0L Powerstroke diesel engines
  • Up to 100 HP gain over stock pump at 3000 RPM*
  • 1-year warranty
  • "Thumper" name is synonymous with diesel performance


Includes STC fitting/branch tube. Seal kit for install sold separately.