Product Overview:
This is a GT1749V variable-geometry turbocharger, engineered to OEM specifications for the Hyundai D4CB 2.5L CRDi diesel engine used across the Grand Starex/H-1 platform. As a VGT unit, it uses adjustable turbine vanes to optimize boost pressure across the entire RPM range — improving low-end torque, reducing turbo lag, and delivering smoother power output compared to fixed-geometry designs. It’s built to match the factory-rated output of 125kW/170HP.
Key Features:
- OEM-Matched Fitment: Manufactured to the exact specifications of part number 28230-4A701, ensuring a direct bolt-on replacement with no modification required.
- Variable Geometry Turbine (VGT) Technology: Electronically or vacuum-actuated vanes adjust in real time to match engine load, improving throttle response and reducing lag at low RPM.
- High-Grade Turbine Materials: Turbine shaft and wheel assemblies use high-nickel casting alloy construction for superior heat resistance and long-term durability under sustained high-temperature operation.
- Restores Factory Performance: Addresses common failure symptoms of an aging turbo — power loss, excessive smoke, whistling noise, boost leaks, and check-engine codes.
- Easy, Direct Installation: Matches original mounting points, oil/coolant line connections, and actuator linkage for straightforward replacement.
- Warranty Coverage: Typically comes with 3–6 months manufacturer warranty (confirm specific terms with your supplier/listing).
Before You Buy:
Please note that Hyundai H-1/Grand Starex turbo part numbers changed across production years and markets — 28230-4A701 and 28230-4A700 are closely related but not always interchangeable across every trim and model year, so we strongly recommend confirming the exact part number stamped on your original turbocharger, or providing your vehicle’s VIN/production date, before ordering. This helps us guarantee an exact match and avoid unnecessary return shipping.
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