Dodge Ram 5361593 Cylinder Head for Cummins ISB QSB Replace No. 4936081 2831274

The Cummins cylinder head #5361593 (replacing older numbers 4936081 & 2831274) is compatible with 2007.5–2018 Dodge Ram 6.7L Cummins (ISB 6.7L) engines, as well as industrial/marine QSB6.7applications. Here’s what you need to know:

1. Compatibility & Applications

• ✔️ Fits:

  • 2007.5–2018 Dodge Ram 2500/3500/4500/5500 with 6.7L Cummins (ISB 6.7L).

  • Cummins QSB6.7 (industrial/marine engines).

  • Replaces older #4936081 & #2831274 (common in earlier models).

• ❌ Does NOT Fit:

  • 2003–2007 Dodge Ram 5.9L Cummins (ISB 5.9L) – Different bolt pattern & design.

  • 2019+ Ram HD with 6.7L Cummins (updated design; check part # 68516779).

2. Key Features

• Cast iron construction (OEM-style replacement).

• Includes valve seats & guides (but valves, springs, and rockers are sold separately).

• Works with both stock and performance builds (verify head gasket compatibility).

3. Important Notes

• Check for Cracking: The 6.7L Cummins is known for cracked heads (especially 2007.5–2012 models). If replacing, inspect the block deck for warping.

• Use Updated Head Gaskets:

  • OEM #5286285 (MLS gasket) for stock applications.

  • Aftermarket options (ARP studs recommended for high boost/tuning).

• Valvetrain Components Needed:

  • Valves: #4909469 (intake), #4909470 (exhaust).

  • Rocker arms, pushrods, and lifters must be reused or replaced.

4. Where to Buy

• CrevoC

5. Alternatives & Upgrades

• High-Performance Heads:

  • Hamilton Cams (billet intake ports, improved flow).

  • Fleece Performance (fully assembled options).

• Remanufactured OEM Heads:

  • Some suppliers offer welded/strengthened versions to prevent cracking.

Final Verdict:

✅ #5361593 is a direct fit for 2007.5–2018 Ram 6.7L Cummins and replaces older part numbers.
🔧 Inspect block flatness and upgrade head bolts/studs during installation.

Need help finding the best price or verifying your engine specs? Let me know!