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      • 2001-2004 LB7
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      • 2003-2007 5.9L
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      • 2019+ 6.7L
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      • 2003-2007 6.0L
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      • 2020+ 6.7L
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    • Duramax Diesel Service
      • 2001-2004 LB7
      • 2004.5-2005 LLY
      • 2006-2007 LLY/LBZ
      • 2007.5-2010 LMM
      • 2011-2016 LML
      • 2016+ LWN 2.8L
      • 2017+ L5P
    • Cummins Service
      • 2003-2007 5.9L
      • 2007.5-2009 6.7L
      • 2010-2018 6.7L
      • 2019+ 6.7L
    • Powerstroke Service
      • 2003-2007 6.0L
      • 2008-2010 6.4L
      • 2011-2016 6.7L
      • 2017-2019 6.7L
      • 2020+ 6.7L
  • Tuning
  • Contact
  • Blog
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    • Engine Warranty
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​​​2003-2007 5.9L Cummins

Horsepower: 305-325hp, 555-610ft-lbs torque

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The 2003-2007 5.9L Cummins Trucks

Joining the Duramax with its new Bosch common rail fuel injection system these Cummins gained more power, better emissions, and less smoke output.  They are exceptionally responsive to fuel and turbo upgrades.. the transmissions are usually the weak point behind this last generation 5.9L Cummins.

Truck Generation Quicklinks

2003-2007 5.9L
2007.5-2009 6.7L
2010-2018 6.7L
2019+ 6.7L

View Cummins Service Main Page

We Would Love to Have You Visit Soon!


Hours

M-F: 8am - 5pm
Sat: By Appt.

Telephone

403.523.9003

Email

Address
info@schultzdieselsports.com
​3303 57 Ave SE
Calgary, Alberta T2C 0B2
  • Home
  • About
  • Service
    • Duramax Diesel Service
      • 2001-2004 LB7
      • 2004.5-2005 LLY
      • 2006-2007 LLY/LBZ
      • 2007.5-2010 LMM
      • 2011-2016 LML
      • 2016+ LWN 2.8L
      • 2017+ L5P
    • Cummins Service
      • 2003-2007 5.9L
      • 2007.5-2009 6.7L
      • 2010-2018 6.7L
      • 2019+ 6.7L
    • Powerstroke Service
      • 2003-2007 6.0L
      • 2008-2010 6.4L
      • 2011-2016 6.7L
      • 2017-2019 6.7L
      • 2020+ 6.7L
  • Tuning
  • Contact
  • Blog
  • Warranties
    • Engine Warranty
    • Turbo Warranty
    • Transmission Warranty