Delphi EG10738 Exhaust Gas Recirculation (EGR) Valve

OE-Style EGR Valve for Toyota Applications

Delphi EG10738 is an exhaust gas recirculation (EGR) valve built with OE-based design and validation standards. It uses a stepper motor design, a 6-pin male terminal layout, and a rectangular single-connector configuration for direct replacement service on select Toyota models.

Compatible With 2016-2023 Toyota Prius, 2019-2022 Toyota Prius AWD-e, 2017-2022 Toyota Prius Prime, and 2020-2023 Toyota Corolla. Delphi EG10738 is also a direct-fit option for drivers searching for a Toyota Prius EGR valve replacement or a Toyota Corolla EGR valve replacement.

Key Features

• Exhaust Gas Recirculation (EGR) valve
• Stepper motor EGR valve type for controlled exhaust flow management
• Positive backpressure design
• 1 rectangular connector with 6 male terminals
• 5 mounting holes for OE-style installation points
• Package contents include the EGR valve, gasket, and instruction sheet
• Cross-reference part numbers include 4F2165 and 25620-37140 for the same application

Detailed Description

Delphi EG10738 is engineered for emission control service where accurate exhaust gas recirculation is needed to help maintain proper engine operation. Built from OE-based specifications and validated through strict manufacturing and testing processes, this EGR valve is designed to match the electrical and mechanical requirements of select Toyota Prius, Prius AWD-e, Prius Prime, and Corolla applications. The part number EG10738 is a practical choice for technicians and owners replacing a worn or malfunctioning Toyota EGR valve.

Delphi’s OE heritage is reflected in the material selection, material thickness, and manufacturing controls used in this component. For buyers comparing Toyota Prius EGR valve EG10738 options, the stepper motor design and positive backpressure configuration support precise recirculation control in the listed vehicles.

Common Problems This Part Can Address

• Check engine light related to EGR system performance
• Rough idle or unstable engine operation caused by EGR flow issues
• Reduced drivability from a sticking or failing EGR valve
• Emission control faults on Toyota Prius, Prius Prime, Prius AWD-e, or Corolla models
• Incorrect exhaust gas recirculation flow due to valve wear or contamination

Installation Notes and Tips

Verify connector style, terminal count, and mounting hole layout before installation. The package includes a gasket and instruction sheet, but mounting hardware is not included. Clean the mating surfaces thoroughly and inspect the EGR passages for carbon buildup before installing Delphi EG10738. Confirm the vehicle application by year and model: Fits 2016-2022 Toyota Prius, Fits 2019-2022 Toyota Prius AWD-e, Fits 2017-2022 Toyota Prius Prime, and Fits 2020-2023 Toyota Corolla.

Quality Assurance

Delphi builds this EGR valve using OE-based design requirements and validation testing drawn from more than 100 years of original-equipment experience. Manufacturing controls are used to maintain consistent part quality for service on today’s Toyota Prius and Toyota Corolla platforms.