TD04HL-20T Turbo Upgrade for Saab 9-3 Aero 2.0T
Direct replacement turbocharger upgrade for Saab 9-3 Aero with B207L and B207R engines. Precision-engineered TD04HL-20T with billet compressor wheels, adjustable valve options, and bolt-on fitment for 2003-2011 platforms including Opel Vectra/Signum Z20NET and Cadillac BLS.
Vehicle Compatibility
Saab Applications:
- 2003-2011 Saab 9-3 Aero 2.0T (B207R engine)
- 2003-2005 Saab 9-3 Arc 2.0L (B207L engine)
- 2003-2011 Saab 9-3 Vector 2.0L
Cross-Platform Fitment:
- 2006-2008 Opel Vectra Z20NET (rebadged B207L)
- 2003-2008 Opel Signum Z20NET (rebadged B207L)
- 2006-2010 Cadillac BLS B207L/B207R
OEM Part Numbers: 55564940, 55564941, 55565831 (GM) | 49377-06520, 49377-06620, 49377-06500, 49377-06501, 49377-06502, 49377-06510 (MHI)
Note: Upgraded from genuine MHI/GM turbochargers with enhanced performance specifications.
Engineering Specifications
Core Assembly: TD04HL-20T with journal bearing system, dual oil and water cooling
Compressor Wheel: 47.0 / 58.0mm billet construction
• 6+6 blade design optimized for low-end torque response
• 11+0 blade design engineered for top-end airflow
Turbine Wheel: 52.0 / 45.6mm available in three configurations (STD, STS, STS 55) — explore STS technology↗
Turbine Housing: 6cm² nozzle area with internal wastegate, direct bolt-on to OEM manifold
Wastegate Actuator: Adjustable billet construction, 1.0 bar (14.7 PSI) default
• Available spring rates: 0.3, 0.5, 0.8, 1.2, 1.5, 1.7, 2.0 bar
Valve Configuration Options
The compressor cover includes a factory bypass/recirculation valve (BCV) that can be configured with four valve options at checkout:
- Factory BCV (recirculating, stock-style)
- Block Plate (+$20 USD, eliminates valve for race applications)
- Adjustable BOV (+$80 USD, atmospheric blow-off valve)
- Adjustable BCV (+$80 USD, recirculating bypass valve)
Learn the difference between BOV and BCV↗
Spring Selection (for adjustable valves):
• Green spring: 5-15 PSI (default installation)
• Yellow spring: 15-23 PSI (specify at checkout)
• Blue spring: 23-30 PSI (specify at checkout)
Complete System Includes
- 1 × TD04HL-20T turbocharger assembly
- 1 × Valve option (Factory BCV, Block Plate, or Adjustable BOV/BCV per selection)
- 1 × Balance report with anti-counterfeit verification tag↗
Performance Notes
Maximum power stated for each turbocharger has been calculated based strictly on the choke flow of the compressor map (total turbo capability), which represents the potential flywheel power. This product's performance results are highly dependent upon your vehicle's modifications and tuning/calibration.
Quality Assurance & Coverage
Condition: Factory-new assembly
Balancing: Complete CHRA balanced using SCHENCK MBRS 110 precision equipment (Germany)
Manufacturing Origin: Taiwan | HS Code: 841199
Warranty Protection: 1-year Kinugawa Trouble-Free Warranty covering free overhaul, reconditioning, or replacement from original purchase date. Complete peace of mind regardless of failure cause.