Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build 
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5.9L 2003-2004 Cummins Full Running Daily Driver Dodge Ram Diesel Crate Engine

SKU: CEP59CFD0304
UPC : 659657388223

Please give us a call at 901-553-9847

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CHOATE 5.9L Full Running Daily Driver Engine 2003-2004 – Dodge Cummins Diesel Engine from CHOATE Engineering Performance. CHOATE Part Number: CEP59CLD0304
Fitment : Fits 2003-2004 – Dodge Cummins Diesel Engine 5.9L Equipped Vehicles

This 5.9L Full Running Dodge Cummins Diesel Engine Includes everything bolted to the engine to make for a quick painless install. The engine includes, but is not limited to the following:

  • a factory original turbo
  • oil pump
  • water pump
  • engine sensors
  • fuel pump
  • injectors 

This 5.9L Cummins Long block includes:

Full CNC blueprint machining, (bore, deck, hone, and line honed).

We blue print bore the Cylinder bores to a true 90 degrees from the crankshaft center line, prior to diamond honing to within .0002 inch for precise piston to cylinder bore clearances.

We will main bore and line hone the crankshaft to precisely align the crankshaft in the engine block.

We bore the block back to the crankshaft center line and hone the block to RA13 finish. The piston diameter measured to the nearest .0001 inch matched to cylinder bores.

We will surface the Cylinder block on this 5.9L Cummins Full Running to a finish of RA30 or lower, to meet factory specification in both flatness and smoothness for the block to head sealing surface. This is mandatory for proper sealing of a MLS Gasket.

  • Connecting Rods, New Damper – Check both wrist pin and crank pin to rod clearances.
  • New Upgraded Pistons .10 – .30 inch over – New pistons, rings, Pin retainers weight matched prior to crank balancing
  • Crankshaft – Balanced with the Rotational assembly checked for run-out inspected for fatigue. Crankshaft is Polished and ground to .0005 concentricity or less
  • New Rod, Main and Cam Bearings
  • Camshaft – Polished and Inspected
  • Install Rear Main Seal
  • Install New Bed Seals
  • Install New Rear Cover Gasket
  • Install Upper and Lower Oil Pan Gaskets
  • Install Pickup Tube O-ring
  • Rear Cover Installed

CHOATE Engineering Performance Crate Engine Features:

The CHOATE 5.9L Cummins Full Running Engine is rated for 500 HP and fully balanced. It’s the perfect engine for spirited daily driving, consumer level towing and everyday life.

Upgrades over the Model C include but are not limited to:

  • Torque Plate Honing
  • Full Engine Balancing
  • Harmonic Balancer
  • Head Studs
  • Valve Seats
  • Rear Cover and Pickup Tube
  • Oil Pans
  • Welded Crank Gear.

Common Issues With The Dodge Cummins 5.9L Engine (and how we fix them):

Cylinder Heads- While there aren’t as many issues with the bottom end of the Cummins, there are really BIG problems in the head department.

Valve seats fallout contacting the piston and cause catastrophic failure. We machine oversize valve seats within creased press fit area to remedy this issue.

Stamped gallery plugs in the heads blow out causing a mixture of oil and coolant, destroying the bearings. We thread the head and insert threaded plugs to make sure this issue never rears its ugly head.

Freeze plugs in the block blow out leaving you at best stranded on the side of the road, at worst, with a severely overheated engine in need of remanufacturing. Every new Choate Cummins engine comes standard with billet freeze plugs that are blow out proof using a tie bar bolting them into the side of the block.

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