Thermal management separates a reliable heavy-duty build from a costly roadside failure. Dual-charger configurations demand precise component matching to handle extreme exhaust drive pressures.
Scouting the Best Compound Turbo Setups for 6.7 Cummins requires looking closely at support hardware. Let us review the essential parts needed for a successful installation.
Key Takeaways
- Prioritize complete relocation kits that prevent clearance issues with the factory air conditioning lines.
- Verify that your drain tube kits match the specific flange dimensions of your secondary high-pressure charger.
- Select rebuild components featuring upgraded journals and thrust bearings to handle higher shaft speeds.
- Confirm that oil supply and return lines clear the tight tolerances of the passenger side manifold.
- Match your electronic actuator and electronic controls carefully to avoid persistent diagnostic trouble codes.
| Essential Clearance Solution |  |
Diesel Power Source A/C Line Relocation Kit | Prevents line rubbing | Creates necessary clearance | Custom fitment | View on Amazon | Read Review |
| Reliable Oil Return |  |
Cummins S300 S400 Turbo Drain Tube Kit | Prevents oil leaks | Handles high heat | Proper drainage angle | View on Amazon | Read Review |
| Complete Rebuild Package |  |
HE300VG Turbocharger Repair Rebuild Kit | Comprehensive component selection | Restores factory boost | Extends turbo lifespan | View on Amazon | Read Review |
More Details on Our Top Picks
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Diesel Power Source A/C Line Relocation Kit
Upgrading your 6.7 Cummins often means installing massive secondary chargers, which inevitably creates a crowded engine bay. This specific kit moves your factory air conditioning lines completely out of harm's way to make room for those large compound housings.
You get factory-quality routing that prevents rubbing against hot compressor covers and ruining your day. But you should expect a bit of tight clearance work during the installation process while managing refrigerant lines.
- Brand:Diesel Power Source
- Component Type:A/C Line Relocation Kit
- Vehicle Fitment:Dodge Ram 2500/3500
- Application Year:2010-2018
- Additional Feature:Relocates factory A/C lines
- Additional Feature:Clears large secondary turbos
- Additional Feature:Precision bent metal tubing
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Cummins S300 S400 Turbo Drain Tube Kit
Building a custom multi-charger system requires managing oil flow precisely, and gravity is your best friend when routing return lines. This drain tube kit provides a leak-free pathway for engine oil to exit high-performance S300 and S400 secondary chargers smoothly.
A proper drain prevents turbo seal failure caused by pooled oil backing up into the exhaust housing. Just remember that custom low-mounted configurations might require minor angle adjustments for optimal flow.
- Brand:Cummins
- Component Type:Turbo Drain Tube Kit
- Vehicle Fitment:Dodge Ram Cummins
- Additional Feature:Compatible with S300 and S400
- Additional Feature:Direct oil pan connection
- Additional Feature:Heavy duty flexible hose
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HE300VG Turbocharger Repair Rebuild Kit
Keeping your primary variable geometry turbo healthy under compound boost pressures requires fresh internal wear components. This comprehensive kit supplies all the necessary seals and bearings to revive a tired HE300VG factory charger before you add secondary boost.
Tackling a turbo rebuild demands meticulous cleanliness and precise balancing to avoid catastrophic failure under high load. Yet it remains a cost-effective alternative to buying an entirely new factory assembly.
- Component Type:Turbo Repair Rebuild Kit
- Vehicle Fitment:Cummins ISB 6.7L Engine
- Additional Feature:Rebuilds HE300VG turbochargers
- Additional Feature:Includes journal bearings and seals
- Additional Feature:Replaces worn internal hardware
