If you are chasing serious horsepower and torque from your diesel truck, a compound turbo setup is the ultimate upgrade. By pairing a large low-pressure turbo with a smaller high-pressure unit, you get quicker spool-up and massive top-end airflow, transforming how your engine performs under load.
This guide reviews eight top-rated compound turbo kits and related components, from exact-fit replacements for Ford and CAT engines to rebuild kits and clearance solutions for Cummins swaps. Whether you are repairing a factory twin-turbo system or building a custom setup, these picks help you make an informed choice.
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Stigan Compound Turbo Turbocharger For Ford F250 F350 F450 F-250 F-350 Supe…
Best forFord 6.4L exact replacement
- Exact fit, no mods needed
- Brand new components
ConsiderOnly fits 6.4L PowerStroke
Twin Turbocharger Pair Compound Turbo Kit For Caterpillar CAT C15 ACERT Rep…
Best forCAT C15 ACERT twin turbo
- Brand new, no core needed
- OEM-equivalent fit
ConsiderVerify fitment for your engine
Diesel Power Source A/C Line Relocation Kit for 2010-18 Dodge Ram 2500/3500
Best forCummins turbo clearance solution
- Solves A/C line conflicts
- Direct fit for 6.7L Cummins
ConsiderLimited to specific Ram models
BorgWarner OEM Turbocharger Actuator Upgrade Kit 59001107387 Compatible wit…
Best for6.4L actuator reliability fix
- OEM quality from BorgWarner
- Fixes known actuator issues
ConsiderOnly for 6.4L PowerStroke
New Turbo Repair Rebuild Kit High & Low Pressure with Cast Compressor Wheel…
Best for6.4L turbo rebuild project
- Includes high and low pressure parts
- Cast compressor wheels included
ConsiderRequires mechanical skill
New 2008-2010 Power-stroke 6.4L Diesel F250 F350 F450 High & Low Pressure T…
Best for6.4L turbo repair parts
- Complete high and low pressure kit
- Cast wheels for durability
ConsiderNo installation instructions
New For HX55 TurboCharger For 2008- Detroit Diesel Freightliner Daimler Var…
Best forDD15 turbo core replacement
- Fits DD15 engines
- Includes CHRA components
ConsiderGeneric brand, verify quality
callmego Clutch Kit for VW for Jetta 2.0L 2009-2015 Wagon 4Cyl Turbocharged…
Best forVW TDI clutch replacement
- Complete hardware included
- High-grade steel and ceramic
ConsiderOnly fits specific VW models
Stigan Compound Turbo for 6.4L PowerStroke – Exact Fit
The Stigan compound turbocharger is a professional-grade replacement designed specifically for 2008-2010 Ford Super Duty trucks with the 6.4L PowerStroke diesel engine. It is an exact-fit unit, so you can swap it in without any modifications, saving you time and hassle in the garage. Every component is brand new, not remanufactured, which means you get reliable performance right out of the box.
Built to optimize both efficiency and durability, this turbo is tested to handle the demands of daily driving and heavy towing. The two-year, unlimited-mileage warranty gives you peace of mind, making it a solid choice if you need a dependable replacement for your factory turbo. If your current unit is failing, this Stigan kit restores proper boost and keeps your PowerStroke running strong.
- Exact fit, no mods needed
- Brand new components
- Two-year unlimited warranty
- Only fits 6.4L PowerStroke
- Price may be high
BuyAutoParts Twin Turbo Kit for CAT C15 ACERT
Brand: BUYAUTOPARTS!
A robust twin-turbo replacement for CAT C15 ACERT engines.
This BuyAutoParts twin turbocharger pair is engineered for Caterpillar C15 ACERT diesel engines, offering a direct-fit replacement for the original low-pressure and high-pressure turbos. It is 100% brand new with premium ISO/TS 16949 quality, so you do not need to worry about core deposits or returns. The kit includes both turbos, matching OEM part numbers like 10R2407 and 10R1888, ensuring compatibility with your engine.
Installation is straightforward because it fits and functions just like the factory units. The one-year, unlimited-mileage warranty adds extra confidence, especially for commercial applications where downtime is costly. If your C15 ACERT is losing boost or showing signs of turbo wear, this pair restores performance and durability, making it a smart investment for truck owners and fleet operators.
- Brand new, no core needed
- OEM-equivalent fit
- One-year warranty
- Verify fitment for your engine
- Heavy-duty price point
Diesel Power Source A/C Line Relocation Kit
Brand: Diesel Power Source
Essential accessory for compound turbo installs on Cummins Rams.
When you install a compound or twin turbo setup on your 2010-2018 Dodge Ram with the 6.7L Cummins, you often run into clearance issues with the A/C lines. This relocation kit from Diesel Power Source solves that problem by repositioning the lines to make room for your new turbos. It is engineered specifically for 2010-2018 Ram 2500/3500 trucks, so you get a precise fit without guesswork.
The kit also supports 2nd generation Cummins swaps, making it versatile for custom builds. Constructed from premium materials with a high-pressure rating, it maintains reliable A/C operation even in demanding conditions. If you are planning a compound turbo upgrade, this kit is a practical addition that prevents interference and keeps your cab cool.
- Solves A/C line conflicts
- Direct fit for 6.7L Cummins
- Supports engine swaps
- Limited to specific Ram models
- Not a turbo itself
BorgWarner Turbo Actuator Upgrade for 6.4L
The BorgWarner OEM turbocharger actuator upgrade kit is designed for 2008-2010 Ford 6.4L Powerstroke diesel engines equipped with the V2S compound turbocharger. The original actuator from BorgWarner had a reputation for being problematic, so this revised version addresses those issues with improved reliability. It is a direct OEM replacement, ensuring seamless integration with your existing turbo system.
If you are experiencing boost control problems or fault codes related to the actuator, this kit restores proper function. BorgWarner is a trusted name in turbocharging, so you can count on quality. This upgrade is a smart preventive measure for 6.4L owners who want to avoid future failures and keep their compound setup running smoothly.
- OEM quality from BorgWarner
- Fixes known actuator issues
- Direct fit for V2S system
- Only for 6.4L PowerStroke
- May require professional install
ASDPI Turbo Rebuild Kit for 6.4L PowerStroke
This ASDPI turbo repair rebuild kit is tailored for the 2008-2010 PowerStroke 6.4L diesel, covering both high and low pressure turbos. It includes cast compressor wheels with specific dimensions: the high-pressure wheel has a 51.76mm inducer and 74.12mm exducer, while the low-pressure wheel features a 64.5mm inducer and 88.5mm exducer, both with 7+7 blades. This kit is a direct replacement for original equipment, making it ideal for rebuilding your existing turbos.
Reference part numbers like 1848300C92 and 8C3Z-6K682-B ensure compatibility. By rebuilding your turbos with quality components, you can restore performance at a fraction of the cost of a new unit. This kit is perfect for DIY mechanics who want to refresh their compound turbo setup without replacing the entire assembly.
- Includes high and low pressure parts
- Cast compressor wheels included
- Direct replacement fit
- Requires mechanical skill
- No warranty mentioned
ASDPI High & Low Pressure Rebuild Kit
Another solid option from ASDPI, this rebuild kit is also designed for the 2008-2010 PowerStroke 6.4L diesel, providing high and low pressure turbo repair components. It features a cast compressor wheel for the high-pressure side with a 51.76mm inducer and 74.12mm exducer, and the low-pressure side uses a similar design with 7+7 blades. This kit is a direct replacement for original equipment, ensuring a proper fit.
It covers reference part numbers like 1848300C92 and 1848303C1, making it versatile for various turbo configurations. If you are rebuilding your turbos, this kit gives you the essential parts to get the job done. It is a practical choice for owners who want to maintain their compound turbo system without spending on brand-new turbos.
- Complete high and low pressure kit
- Cast wheels for durability
- OEM reference numbers match
- No installation instructions
- Limited to 6.4L engines
HX55 Turbocharger for DD15 Engines – CHRA
This HX55 turbocharger CHRA is designed for Detroit Diesel DD15 engines found in Freightliner and Daimler trucks, with a displacement of 14.6L. It includes the bearing housing, turbine wheel, and compressor wheel, all specified with precise dimensions: the turbine wheel has a 71.75mm inducer and 109mm exducer with 12 blades, while the compressor wheel features a 67mm inducer and 99mm exducer with 7+7 blades. This is a core component for rebuilding your turbo.
It replaces multiple OEM part numbers like 2836376 and 3767880, ensuring broad compatibility. If your DD15 turbo is worn, this CHRA allows you to rebuild it with quality parts. It is a practical choice for truck owners who want to restore boost and performance without replacing the entire turbo housing.
- Fits DD15 engines
- Includes CHRA components
- Multiple OEM numbers covered
- Generic brand, verify quality
- Requires professional rebuild
callmego Clutch Kit for VW Jetta TDI
While not a turbo kit itself, this callmego clutch kit is essential for Volkswagen Jetta 2.0L TDI models from 2009-2015, which are turbocharged diesel engines. It is a complete package with all necessary hardware, making it DIY-friendly for home installation. The clutch is constructed from high-grade steel and ceramic materials, designed to withstand thousands of engagement cycles for long-lasting performance.
It restores factory-equipment-style performance, ensuring smooth gear engagement and a consistent clutch pedal feel. If you are upgrading your Jetta’s turbo or simply need a reliable clutch, this kit is a smart investment. It saves on shop costs by enabling straightforward installation, and it is built to handle the torque of a diesel engine.
- Complete hardware included
- High-grade steel and ceramic
- DIY-friendly installation
- Only fits specific VW models
- Not a turbo component
Buyer’s Guide: What to Consider
Choosing the right diesel compound turbo kit involves more than just picking a part. You need to consider your engine type, installation skill, and performance goals. This guide highlights key factors to help you make a smart purchase.
- Engine Compatibility: Ensure the turbo kit or component matches your engine model and year. For example, Ford 6.4L PowerStroke kits are specific to 2008-2010, while CAT C15 ACERT kits have unique fitment. Always verify part numbers and engine specifications before purchasing.
- New vs. Rebuilt: Decide whether you want brand new components or are open to rebuilt options. New turbos offer reliability and often come with warranties, while rebuild kits can be cost-effective if you have the skills to install them. Consider your budget and mechanical expertise.
- Installation Complexity: Some kits are exact-fit replacements requiring no modifications, while others, like rebuild kits, need advanced mechanical knowledge. A/C line relocation kits add complexity but solve clearance issues. Assess your DIY ability or budget for professional installation.
- Warranty and Support: Look for products with warranties, such as the two-year coverage on Stigan turbos or the one-year warranty from BuyAutoParts. A warranty provides peace of mind, especially for expensive components. Check the manufacturer's return policy and customer support.
- Performance Goals: Consider what you want to achieve: restoring factory performance or building a high-power setup. Exact-fit replacements maintain OEM specs, while rebuild kits allow for upgrades. For custom compound turbo builds, accessories like A/C line relocation kits are crucial for a clean install.
Conclusion
Compound turbo kits can dramatically improve your diesel truck’s power and towing capability, but selecting the right one is critical. From exact-fit replacements for Ford and CAT engines to rebuild kits and clearance accessories, each product in this list serves a specific purpose. Consider your engine model, budget, and whether you prefer a simple swap or a full rebuild.
For most 6.4L PowerStroke owners, the Stigan turbo offers a reliable, warranty-backed replacement. If you are building a custom Cummins setup, the Diesel Power Source A/C line kit is a must-have. Whatever your choice, ensure compatibility and quality to get the best performance from your diesel.
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