aFe Power 65mm Throttle Body - Ford EcoBoost 2.3L I4 / 2.7L & 3.0L V6 | Part #46-39115
Overview
The aFe Power 65mm Throttle Body (Part #46-39115) is a high-performance, direct-fit upgrade engineered specifically for Ford EcoBoost engines, including the 2.3L I4 turbocharged and 2.7L/3.0L V6 twin-turbocharged applications. Designed to replace the restrictive factory throttle body, this performance upgrade improves throttle response, increases airflow, and unlocks additional power from your EcoBoost-equipped Ford. Whether you're building a track-focused Mustang, a performance-tuned F-150, or a spirited Edge ST, this is one of the best throttle body upgrades available for Ford EcoBoost engines.
Key Features & Benefits
- 65mm Bore Diameter — Larger than the OEM throttle body, this increased bore size allows significantly more airflow into the intake manifold, reducing restriction and supporting higher horsepower output.
- Direct OEM Replacement — Engineered as a bolt-on fitment with no cutting, welding, or custom fabrication required. Retains full use of the factory throttle position sensor (TPS) and wiring harness.
- Precision-Machined Aluminum Construction — CNC-machined from high-grade aluminum for superior durability, heat resistance, and long-term reliability under boost conditions.
- Improved Throttle Response — The optimized bore geometry and smooth internal surfaces reduce turbulence, delivering crisp, immediate throttle response for a more engaging driving experience.
- Performance-Matched for EcoBoost — Specifically calibrated for the unique demands of turbocharged EcoBoost engines, ensuring safe, reliable operation with factory or tuned ECU maps.
- Durable Anodized Finish — Corrosion-resistant finish protects the throttle body against heat, moisture, and engine bay contaminants for lasting performance.
- aFe Power Quality Assurance — Built to aFe's rigorous manufacturing standards, the same brand trusted by professional racers and performance enthusiasts worldwide.
What's Included
- 1x aFe Power 65mm Throttle Body (Part #46-39115)
- Necessary hardware for installation
- aFe Power instruction sheet
Specifications
| Brand | aFe Power |
|---|---|
| Part Number | 46-39115 |
| UPC | 802959412015 |
| Bore Diameter | 65mm |
| Material | CNC-Machined Aluminum |
| Compatible Engine Types | I4-2.3L Turbocharged, V6-2.7L Twin-Turbo, V6-3.0L Twin-Turbo |
| Fuel Type | Gasoline (EcoBoost) |
| Installation Type | Direct Bolt-On Replacement |
| OEM Sensor Compatible | Yes — Retains Factory TPS |
| Category | Throttle Bodies / Engine Components |
Fitment & Compatibility
This aFe Power throttle body is designed to fit Ford vehicles equipped with the following EcoBoost engines:
- Ford 2.3L I4 EcoBoost (Turbocharged) — Applications include Ford Mustang EcoBoost and Ford Explorer 2.3L EcoBoost
- Ford 2.7L V6 EcoBoost (Twin-Turbocharged) — Applications include Ford F-150 2.7L EcoBoost, Ford Edge 2.7L EcoBoost ST, and Ford Fusion Sport 2.7L
- Ford 3.0L V6 EcoBoost (Twin-Turbocharged) — Applications include Ford F-150 3.0L EcoBoost and Lincoln models equipped with the 3.0L twin-turbo V6
Always verify fitment using your vehicle's year, make, model, and engine code before purchasing. Consult aFe Power's official fitment guide or contact our team for confirmation.
Installation
The aFe Power 46-39115 throttle body is designed as a direct bolt-on replacement for the factory unit, making it one of the easiest performance upgrades for your EcoBoost Ford. No permanent modifications are required. Installation involves removing the factory throttle body, transferring the OEM throttle position sensor (TPS), and bolting the aFe unit into place using the existing mounting points. Basic mechanical knowledge and standard hand tools are sufficient for most installations. For best results and to take full advantage of the increased airflow, pairing with an ECU tune is recommended but not required for safe operation. Professional installation is advised if you are unfamiliar with intake system components.
Frequently Asked Questions
Is this throttle body CARB compliant? Please verify current CARB EO status with aFe Power directly, as compliance status may vary by state and model year application.
Will this work with a stock tune? Yes, the aFe 65mm throttle body is safe to run on a stock ECU map; however, an aftermarket tune will maximize the performance gains.
Does this fit the Ford Mustang EcoBoost? Yes, this throttle body is compatible with the Ford Mustang equipped with the 2.3L I4 EcoBoost turbocharged engine. Confirm specific model year fitment prior to ordering.
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Many products are designed for off-road use, and it is the customer’s responsibility to understand and comply with local laws regarding aftermarket accessories. Professional installation is strongly recommended for all products. All performance modifications and installations are performed at the customer’s own risk. Buckle Up Off-Road assumes no liability, whether expressed or implied, for any mechanical, electrical, or other failures that may occur from using aftermarket performance products. By purchasing these products, the customer accepts full responsibility for their use and/or misuse and agrees that Buckle Up Off-Road is not liable for any resulting consequences, legal or otherwise.
California Proposition 65 Warning
⚠️ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer, and or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov






