Free Ground Shipping * $150+ Order - 48 States - Website Orders Only. *Some exclusions may apply.
We Are Die Hard Diesel Service • Repair • Parts
(623) 582-4404 Press 3 for ServicePress 4 for Sales/Orders
Shopping Cart $0.00  0 items
H&S Motorsports Duramax Cp3 Conversion Kit

H&S Motorsports Duramax Cp3 Conversion Kit

starstarstarstarstar (0)

LML Duramax CP3 Conversion Kit

Please start by selecting your Vehicle above. If you know our part number click here.
Have a Question? (623) 582-4404
Ask a Specialist:


H&S Motorsports LML Duramax CP3 Conversion Kit
Fits 11-16 LML Duramax Trucks

Ditch The Faulty CP4
This kit will replace the factory CP4 high pressure fuel pump with a brand new Bosch CP3 high pressure fuel pump. CP3 pumps are proven to be very reliable


  • Better Reliability
  • Great Option For Future Fueling Modifications
  • High Quality Parts

Please Note:

Not For Legal Use Or Sale In California On Pollution Controlled Vehicles.


H&S Motorsports Duramax Cp3 Conversion Kit fits the following vehicle(s):
  • 2011 Chevrolet/GMC 2500/3500 LML 6.6L
  • 2012 Chevrolet/GMC 2500/3500 LML 6.6L
  • 2013 Chevrolet/GMC 2500/3500 LML 6.6L
  • 2014 Chevrolet/GMC 2500/3500 LML 6.6L
  • 2015 Chevrolet/GMC 2500/3500 LML 6.6L
  • 2016 Chevrolet/GMC 2500/3500 LML 6.6L
[All vehicle fits]


Customer Reviews
# of Ratings: 0
There are no comments for this product.

Frequently Asked Questions

Frequently Asked Questions