770439-0008 GTB5733BLW Turbocharger Replacement QSK38 Engines
Aftermarket 770439-0008 GTB5733BLW turbocharger for QSK38 engines. Reference application includes Hitachi EX1900-6 and Komatsu PC3000-6. Verify part number and engine code before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
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4970190 4970200This aftermarket 770439-0008 GTB5733BLW turbocharger is a replacement unit designed for QSK38 engines in mining excavators. It serves as an aftermarket replacement application for Hitachi EX1900-6 and Komatsu PC3000-6 models, with OEM reference numbers 4970190 and 4970200 available for fitment verification.
Key Specifications
- Part Number: 770439-0008
- Product Type: Turbocharger
- Turbo Model: GTB5733BLW
- Engine Application: QSK38
- OEM Reference Numbers: 4970190, 4970200
- Packing: Not specified
- Gross Weight: Not specified
- Image Availability: Not available
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- HITACHI > EX1900-6 > EX1900-6 Mining excavator > QSK38
- KOMATSU > PC3000-6 > PC3000-6 Mining excavator > QSK38
- KOMATSU > PC5500-6 > PC5500-6 Mining excavator > QSK38
- LIEBHERR > R 9200 > R 9200 G7 > R 9200 G7 Mining excavator > QSK38
- LIEBHERR > R 9300 G8 > R 9300 G8 Mining excavator > QSK38
This turbocharger is listed for QSK38 engines in mining excavators. Reference applications include Hitachi EX1900-6, Komatsu PC3000-6, Komatsu PC5500-6, Liebherr R 9200 G7, and Liebherr R 9300 G8. These paths serve as verification clues only; confirm your specific unit before ordering. Cross-check the part number 770439-0008 and turbo model GTB5733BLW against your existing hardware. Use OEM reference numbers 4970190 or 4970200 to help confirm fitment. Verify engine code, production year, and turbo configuration with your service manual or technical support to ensure the replacement application matches your fleet requirements.
Technical Notes
The GTB5733BLW is a large-displacement turbocharger model typically associated with high-horsepower QSK38 engines. This unit is designed for heavy-duty mining excavator applications where consistent airflow and stable operation are critical for engine performance. Buyers should verify the specific turbo configuration and mounting pattern against their service manual, as variations may exist between production years. For rebuild jobs, inspect the compressor and turbine housings for wear or damage before installation. Technical fitment support is available to help confirm the correct part number 770439-0008 and OEM reference numbers 4970190 or 4970200 for your specific fleet requirements.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 770439-0008 GTB5733BLW turbocharger. Technical fitment support is available to verify part numbers, engine codes, and OEM reference numbers 4970190 or 4970200 before placing bulk orders. This service helps ensure the replacement unit matches your specific QSK38 mining excavator application. Inquire for current stock availability and shipping timelines to your location.
Product FAQ
EX1900-6 and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by EX1900-6.
Compatibility Verify part number 770439-0008, engine code QSK38, vehicle application, and OEM reference numbers 4970190 or 4970200 before ordering. This is an aftermarket replacement application; confirm fitment with your specific unit.
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Frequently Asked Questions
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
