MuchBoost CZAC 4.0TDI hybrid turbo set, Audi Q7 4.0TDI 4M, 550–600 hp
A bolt-on MuchBoost hybrid turbo set for applications including Audi Q7 4.0TDI 4M, Audi SQ7 4.0TDI 4M. This upgrade is built for CZAC 4.0TDI applications and retains a clean, vehicle-specific installation.
The turbo is based on original Garrett housings. The upgraded compressor and higher-flow turbine sides provide considerably more capacity than the factory unit, while the housings are precision-machined for the new internals.
Depending on the selected version, the manufacturer rates the turbo for approximately 550–600 hp. Final output depends on engine condition, the fuel system, intake, exhaust, cooling and, above all, the ECU calibration.
An upgraded turbo always requires vehicle-specific ECU calibration.
Futurez imports MuchBoost turbochargers and works with the manufacturer in Finland. You get secure delivery from a Finnish seller, a wide choice of payment methods and help selecting the correct turbo version. Every purchase also earns F* Bonus points.
Versions and technical differences
550 hp version
This version is built for approximately 550 hp, with upgraded internals sized for this output level.
- Manufacturer-rated power potential approximately 550 hp
- Upgraded billet compressor wheel
- Larger high-flow turbine wheel
- Clipped turbine wheel helps reduce exhaust backpressure
- Reinforced journal bearing system for higher boost
- Turbo core is high-speed VSR balanced
600 hp version
This version is built for approximately 600 hp, with upgraded internals sized for this output level.
- Manufacturer-rated power potential approximately 600 hp
- Larger high-flow turbine wheel
- Variable-geometry VNT system calibrated on a flow bench
Common to all versions
- Original Garrett housings and actuator
- Compressor and turbine wheels are balanced separately, followed by high-speed VSR balancing of the complete core
- Required gasket set is included
- Bolt-on fit in place of the original turbos
Examples of compatible vehicle applications
- Audi Q7 4.0TDI 4M – 429HP (MY 2015–2026)
- Audi SQ7 4.0TDI 4M – 429/435HP
- Audi SQ8 4.0TDI 4M – 435HP
- Bentley Bentayga 4.0TDI – 435HP
- Porsche Panamera 4.0TDI – 416HP (MY 2009–2026)
Related OE and turbo numbers
851911-0001
854362-5001S
854362-1
854362-0001
854380-0001
854380-1
837371-0001
837371-1
837371-5001S
871285-0001
871285-5001S
871285-1
848070-0001
851910-0001
837370-1
837370-0001
854361-5001S
854361-0001S
854361-0001
057145653J
057145653L
057145653H
057145653D
057145653N
057145654L
057145654N
057145654P
057145654PX
057145654PV
057145654K
057145654Q
Before ordering, check the engine code and the identification numbers on the original turbo. If you are unsure about fitment, contact us with the VIN and the old turbo numbers and we will help verify the correct version.
Tip: Ask us for the gaskets, bolts, oil lines and other installation parts at the same time. A new turbo should not be installed with a restricted oil feed or leaking gaskets.
MuchBoost turbochargers carry a 12-month manufacturer warranty covering manufacturing and material defects. The warranty does not cover failures caused by external factors such as lubrication problems, unsuitable engine calibration or installation errors.
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