777251-5001S GT1749V Turbocharger Replacement for Fiat M737AT 19Z

This 777251-5001S GT1749V turbocharger serves as an aftermarket replacement for Fiat M737AT 19Z Euro 4 engines. Designed for Alfa Romeo 147 and 156 1.9 JTD applications, it references OE numbers such as 55188690. Verify part number and vehicle details before ordering.

Key Specifications

This unit is identified by part number 777251-5001S and belongs to the GT1749V turbocharger series. It is listed as a replacement application for Fiat M737AT 19Z Euro 4 engines. The product type is a complete turbocharger assembly. Representative OEM reference numbers include 55188690, 55205177, and 777251-0001. These references help confirm fitment for specific vehicle builds. Verify the physical part number on your existing unit against 777251-5001S before ordering. No gross weight or packing details are provided in the current data set.

Application & Compatibility

This unit is listed for Fiat M737AT 19Z Euro 4 engines and Alfa Romeo 147/156 1.9 JTD models. Application clues are derived from OEM reference numbers such as 55188690, 55205177, and 777251-0001. These references help confirm fitment but do not confirm universal compatibility. Turbocharger configurations can vary by production date and vehicle trim. Always verify the physical part number on your existing turbo against 777251-5001S. Cross-check engine codes and vehicle years before ordering to ensure correct replacement application.

Technical Notes

The GT1749V model typically features a variable-geometry turbine design to manage exhaust gas flow. Typical configuration may include VNT design and oil-cooled system (verify per application). This setup supports efficient boost control across varying engine speeds. Buyers should confirm the specific actuator type and housing orientation match their existing unit. Physical inspection of the old turbocharger is recommended to ensure correct replacement application.

B2B Supply

Volume pricing is available for bulk orders of the 777251-5001S GT1749V turbocharger. We offer worldwide shipping options to support global distribution networks. Technical fitment support is provided to help verify part numbers and OEM references before purchase. Contact our sales team for current stock levels and shipping estimates. Ensure all application details are confirmed to streamline your procurement process.