HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsDorman 977-070 Fuel Injection Throttle Body
Part #: 977-070

Dorman 977-070 Fuel Injection Throttle Body

8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, Prius C
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Overview of Dorman 977-070 Fuel Injection Throttle Body

The Dorman 977-070 fuel injection throttle body is designed specifically for Toyota Prius C models, providing reliable electronic throttle control. Engineered with cast aluminum housing and a natural silver finish, this throttle body ensures durability and consistent airflow performance.

  • Compatible with Toyota Prius C fuel injection systems
  • Electronic throttle body with integrated throttle position sensor
  • Constructed from cast aluminum with a natural silver finish
  • Inlet diameter: 51.5 mm with flanged inlet type
  • Single outlet with 45 mm diameter, non-flanged
  • Airflow rate of 101.5 CFM for efficient engine breathing
  • Includes a 6-terminal female blade electrical connector
  • Does not include mounting hardware, gasket, or fuel injectors

Detailed Product Description

This Dorman fuel injection throttle body (part number 977-070) is an electronic throttle body designed to meet the specifications of the Toyota Prius C. Featuring a 45 mm bore diameter and a single flanged inlet, it facilitates precise air and fuel delivery to the engine. The throttle body is equipped with an integrated throttle position sensor, which is essential for accurate throttle response and engine management. Its cast aluminum housing offers strength and heat resistance, while the natural silver finish provides corrosion resistance. The electrical connection uses a 6-terminal female blade connector, ensuring compatibility with the vehicle's wiring harness.

Common Applications and Problem Resolution

  • Restores proper throttle response and engine idle control
  • Resolves issues related to electronic throttle control malfunctions
  • Addresses rough idling or stalling caused by faulty throttle bodies
  • Improves airflow consistency for better fuel efficiency
  • Replaces worn or damaged throttle bodies in Toyota Prius C models

Installation Notes and Tips

When installing the Dorman 977-070 throttle body on a Toyota Prius C, ensure the throttle body mounting surface is clean and free of debris. Since mounting hardware and gaskets are not included, use OEM or compatible parts for secure installation. Verify electrical connections are properly seated to maintain sensor functionality. Calibration or relearning procedures may be required after installation to ensure optimal throttle response.

Quality Assurance and Warranty

Dorman manufactures this throttle body to meet or exceed OEM standards for fit, form, and function. The part undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the supplier for exact warranty terms.

BrandDorman
Part Number977-070
Mounting Hardware IncludedNo
Gasket Or Seal IncludedNo
AdjustableNo
Inlet Diameter51.5
Inlet TypeFlanged
Outlet TypeNon-flanged
Outlet Quantity1
Outlet Diameter45
Fuel System GradeGas
Fuel System Injection TypeGas
Fuel System TypeGas
Airflow Rate101.5
Bore Diameter45
Fuel Injectors IncludedNo
Idle Air Control Motor IncludedNo
Throttle Body FinishNatural
Throttle Body FinishSilver
Throttle Body MaterialAluminum
Throttle Body Spacer IncludedNo
Throttle Body TypeElectronic
Throttle Position Sensor IncludedYes
Venturi Quantity0
Connector/Terminal TypeBlade
Electrical Connection TypeFemale blade
Housing MaterialCast aluminum
Inlet Quantity1
Installation Hardware IncludedNo
Package Contents1 throttle body
Terminal Count6
Throttle Body MountedNo

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019ToyotaPrius C1.5LL4N/Aw/Motor
2018ToyotaPrius C1.5LL4N/Aw/Motor
2017ToyotaPrius C1.5LL4N/Aw/Motor
2016ToyotaPrius C1.5LL4N/Aw/Motor
2015ToyotaPrius C1.5LL4N/Aw/Motor
2014ToyotaPrius C1.5LL4N/Aw/Motor
2013ToyotaPrius C1.5LL4N/Aw/Motor
2012ToyotaPrius C1.5LL4N/Aw/Motor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2203047040678022S20135TB1118TB1130

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.