top of page
Hemi Test.png


Not to be confused with the original 'Hemi' engines offered by Mopar in the 1950's and 1960's, this Third Generation Hemi design was offered in 2003 and later applications and encompassed the Dodge, Chrysler and Jeep lines. These 'Hemi' engines came in many different forms including the addition of an option in 2005 with Multi-Displacement System (MDS) for greater fuel economy as well as the addition of an option with Variable Valve Timing (VVT) in 2009 and later applications. 

Reliable Engines Direct remanufactured 5.7L Hemi engines are built to meet or exceed OEM standards and our backed by our standard 3 year, unlimited mileage nationwide warranty (private use applications). For total peace of mind you can also upgrade to our 'No Fault' Warranty Supplement, call for details. All R.E.D. remanufactured Hemi replacement engines incorporate the latest updates to correct original design flaws.

Reliable Engines Direct engines are remanufactured, not rebuilt, for the most reliable and durable engines available. R.E.D. remanufactured 5.7L Hemi engines are completely remanufactured including machining the block, crank, connecting rods and cylinder heads, and assembled with new or remanufactured parts. Rebuilt 5.7L Dodge/Chrysler Hemi engines will only correct the issue with the "core" engine used as raw material, but will typically not include any other machining or remanufacturing on the rest of the engine or have any updates performed. Used engines incorporate no updates and are extremely susceptible to failure due to mileage already being on the engine with questionable maintenance records. Used and rebuilt 5.7L Hemi engines are inferior, do not correct any of the original equipment design flaws and typically have very limited or pro-rated warranties. When shopping be sure to ask if you're getting a used, rebuilt 5.7L Hemi engine or a 100% remanufactured 5.7L Hemi engine.



Dropped valve seats

  • New aftermarket oversized valve seats installed with more press fit

Scuffed pistons or worn piston rings

  • Upgraded piston ring pack including steel compression rings for greater durability

  • Updated aftermarket piston with additional oil drain backs for better oil return

Premature bearing failure or engine knocking

  • Blocks and cranks are completely remanufactured to exact tolerances utilizing CNC machining equipment

  • Crankshafts are micro-polished to extend bearing life. Unlike some competitors, the tape used for micro-polishing cranks at R.E.D. is only used once and in only one direction. Reusing tape back and forth can cause fine metal particles to become impregnated in the journal and cause premature failure.

  • R.E.D. 5.4L long blocks include the oil pan and pickup tube installed to avoid contamination issues. Some competitors offer the engine without the pickup tube installed which risks it being exposed to dirt/debris that will plug the pickup screen.

Head gasket failure or leaking

  • Multi-Layer Steel (MLS) head gaskets are used which resist heat and avoid head gasket failures.

  • Compression height on the pistons is reduced to maintain factory compression ratio specifications.

  • Both the block and cylinder heads are precision machined to exact specifications.


  • Graphite coated hypereutectic pistons resist scuffing and damage to heat much better than factory aluminum pistons

  • Moly piston rings and steel compression rings reduce friction and cylinder wall wear to extend the life of the 2004 Ford F150 5.4 Triton engine

  • Fel-Pro® rear main seals protect against heat and leaks

  • Connecting rods are honed (both the little and big ends) to ensure uniformity, and bent rods are scrapped (some competitors will bend rods back into place)

  • Chrome plated valve stems resist scuffing and heat for greater durability

  • Soda blasting aluminum components provides a visually 'like new' raw material without the risk of contaminating the 5.4 liter Ford crate engine (some competitors blast with other abrasive materials which can become stuck in the 2004 Ford F150 5.4 Triton engine and cause the new engine to fail)

  • Every engine is 100% simulation tested very thoroughly by skilled technicians. Engines are checked for good compression, oil pressure, and black light checked for any leaks before packaging

  • Engines are provided with a written warranty which clearly outlines coverages. Unlike some competitors, R.E.D. warranties are not 'pro-rated' which decrease your coverage over time

  • Engines are shipped in plastic totes with simple core return instructions provided to make returning cores extremely simple

  • Excellent product support technicians aren't just order takers, they are knowledgeable customer service experts

  • You're buying your remanufactured Triton 5.4L direct from the manufacturer so you know you aren't dealing with a middle man for increased costs and headaches for warranty, core returns and technical assistance

Contact us today for a quote or if you have any questions

bottom of page