MOTORCRAFT TB-45 Fuel Injection Throttle Body

( Brand: Motorcraft ), ( Manufacturer Part Number: TB-45 ), ( Part Type: Fuel Throttle ), ( Make: Ford ), ( Year: 2011 2012 2013 2014 2015 2016 2017 2018 2019 )

Review MOTORCRAFT Fuel Injection Throttle Body fits 2011–2019

The **Motorcraft TB-45 Fuel Injection Throttle Body** is a precision-engineered component designed to deliver optimal performance and reliability for Ford s high-performance and performance-oriented vehicles equipped with throttle body injection (TBI) systems. Crafted with Ford s signature commitment to quality and engineering excellence, this throttle body is meticulously built to ensure smooth, responsive throttle operation while maintaining precise fuel delivery for consistent engine performance. The TB-45 features a robust, durable construction with high-grade materials, including a sturdy aluminum housing that resists warping and corrosion, even under demanding driving conditions. Its integrated fuel injection system incorporates a high-flow throttle plate and a precisely calibrated throttle body solenoid, allowing for seamless transitions between idle, cruising, and high-load scenarios without hesitation or lag. The design incorporates a sealed, maintenance-free mechanism, reducing the risk of leaks or contamination while ensuring long-term durability. Ideal for applications in Ford s performance engines, including those found in muscle cars, trucks, and high-performance models, the TB-45 is engineered to handle the demands of aggressive driving, towing, and heavy-duty operation. Whether used in stock or modified setups, this throttle body provides a reliable foundation for achieving peak engine efficiency, reduced emissions, and a refined driving experience. Backed by Motorcraft s reputation for quality and compatibility with Ford s aftermarket and OEM parts, the TB-45 is a trusted choice for enthusiasts and professionals seeking a dependable solution for their TBI-equipped vehicles.

**Pros and Cons of Buying a Motorcraft TB-45 Fuel Injection Throttle Body**

The Motorcraft TB-45 is a throttle body designed for Ford engines, particularly those using fuel injection systems. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **OEM Quality and Compatibility**

The Motorcraft brand is Ford s official aftermarket parts line, meaning it is engineered to meet or exceed the specifications of the original equipment manufacturer (OEM). This ensures a high level of compatibility with Ford engines, reducing the risk of fitment issues or performance problems.

2. **Reliability and Durability**

As an OEM part, the TB-45 is built to last under normal operating conditions. It is typically constructed with durable materials, including metal components and seals designed to withstand heat, pressure, and wear over time. This reduces the likelihood of premature failure compared to lower-quality aftermarket alternatives.

3. **Ease of Installation**

Since it is designed specifically for Ford applications, the TB-45 is often straightforward to install, especially if you are replacing a worn or damaged throttle body. It usually comes with necessary gaskets and mounting hardware, and many Ford mechanics are familiar with its installation process.

4. **Performance Consistency**

The throttle body plays a critical role in fuel delivery and engine performance. A properly functioning TB-45 ensures consistent throttle response, smooth idle, and efficient fuel mixture. If your engine was experiencing issues like rough idling, stalling, or poor acceleration, replacing it with a new TB-45 can restore performance to near-OEM levels.

5. **Warranty Coverage**

Motorcraft parts often come with a warranty, typically ranging from 12 months to a lifetime under certain conditions. This provides peace of mind in case of defects or premature failure, though coverage varies depending on the retailer or dealer.

6. **Cost-Effective for Basic Replacement**

While not the cheapest option on the market, the TB-45 offers a balance between price and quality. For many Ford owners, it represents a reliable middle ground between budget aftermarket parts and premium high-performance throttle bodies.

---

### **Cons**

1. **Limited Performance Enhancement**

The TB-45 is not designed for high-performance applications. It is a stock or near-stock replacement part, meaning it will not significantly improve horsepower, torque, or throttle response beyond what the engine was originally capable of. If you are looking for a throttle body that can handle forced induction (turbocharging or supercharging) or aggressive tuning, you may need a more robust aftermarket option.

2. **Potential for Outdated Design**

Depending on the model year of your Ford vehicle, the TB-45 may be based on an older throttle body design. Some newer Ford engines use electronic throttle control (ETC) systems with more advanced features, such as variable throttle plates or integrated sensors. The TB-45 may lack these modern advancements, which could limit its performance or compatibility in certain applications.

3. **Higher Cost Than Aftermarket Alternatives**

While Motorcraft parts are reliable, they are often more expensive than generic aftermarket throttle bodies. If your primary goal is a simple replacement without OEM-level quality, you might find cheaper options from brands like Walbro, Delphi, or other reputable aftermarket manufacturers.

4. **Potential for Compatibility Issues in Modified Engines**

If your engine has been heavily modified (e.g., big turbo, custom camshafts, or aggressive tuning), the TB-45 may not be suitable. The throttle body must match the airflow requirements of the engine, and a stock or near-stock part may not handle the increased demands of a modified setup. In such cases, an aftermarket throttle body designed for high-flow applications would be more appropriate.

5. **Dependence on Proper Installation and Calibration**

Like any throttle body, the TB-45 must be installed correctly and calibrated to the vehicle s computer (ECU). Improper installation such as failing to reset the throttle position sensor (TPS) or not performing a proper ECU relearn can lead to drivability issues like rough idling, hesitation, or check engine lights. This requires some technical knowledge or the assistance of a professional.

6. **Limited Availability in Some Regions**

While Motorcraft parts are widely available at Ford dealerships and some auto parts stores, they may not be as easily accessible as generic aftermarket parts. If you are purchasing online, you may need to order from a specific retailer, which could affect lead times.

---

### **Conclusion**

The Motorcraft TB-45 is an excellent choice for Ford owners seeking a reliable, OEM-quality throttle body replacement. It is ideal for basic repairs, restoring stock performance, or replacing a worn-out part in a stock or lightly modified engine. The part s compatibility, durability, and warranty coverage make it a trusted option for those who prioritize quality and ease of use.

However, if you are pursuing high-performance modifications, tuning, or forced induction, the TB-45 may not be the best long-term solution. In such cases, investing in a high-flow aftermarket throttle body would be more beneficial. Additionally, if budget is a concern, generic aftermarket alternatives could offer similar reliability at a lower cost.

For most everyday drivers and those looking for a straightforward replacement, the Motorcraft TB-45 is a solid recommendation. It strikes a balance between quality, compatibility, and cost, making it a practical choice for Ford vehicles.

- You need a reliable OEM-quality replacement for your Ford engine.

- Your engine is stock or lightly modified.

- You want a part with good warranty coverage and ease of installation.

- You are not pursuing aggressive performance modifications.

- You are building a high-performance engine with forced induction or significant tuning.

- You want a higher-flow throttle body for improved airflow and throttle response.

- You are looking for a more budget-friendly option that still meets your needs.

Details:

Electrical parts are not returnable. Motorcraft and Ford Parts are manufactured from first-quality materials - chosen specifically for maximum performance application suitability. Motorcraft and Ford Parts are used throughout vehicles in a variety of applications that help ensure the proper build quality, integrity long-lasting performance every car or truck.

The complete line of Motorcraft sensors and emission components is recommended by Ford Motor Company exclusively for use in Ford, Lincoln Mercury vehicles. HOW TO CHECK FITMENT To Ensure Fitment Is Correct. The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles. If you would like to return your new, unopened, and uninstalled part.

5.Once confirmed you can now enter in the part number Search for parts that fit box and ensure fitment is accurate to your vehicle. 1.Parts must be resalable and in the original packaging. Ford electrical products are designed for long-lasting reliability and durability.

part #: tb45 prices

• $314.74-$550.97

specifications carfuelinjector:

• for years: 2011-2019
• brand: Motorcraft
• mpn: Tb-45
• part type: Fuel Throttle
• make: Ford
• year: 2011 2012 2013 2014 2015 2016 2017 2018 2019

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

payments carfuelinjector:

• other
• credit card: Visa
• wallet: Google-pay

returns carfuelinjector:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller carfuelinjector:

• city: Pompano Beach, Florida
• # reviews: 4999
• rating: 99.7%

shipping carfuelinjector:

• type: Fixed
• service: UPS Ground
• carrier: UPS
• transit: 4-11 Days
• cost: $0.00
• class: Standard

offer carfuelinjector:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 16, 2026
• sold: 0

Motorcraft TB-45 Is Similar To:

• Bc3z-9h529-a Cn-5022 Autoextra Motorcraft Ford Oem Diesel Fuel Injector Nozzle (45.5% similar) ...(November 10th, 2015)
• Fuel Injector MOTORCRAFT CM-4623 fits 1989 Ford Probe 2.2L-L4 (34% similar) ...(April 26th, 2014)
• Motorcraft CM-4670 Ford 2.3L amp 3.0L Fuel Injectors set of 6 (53.7% similar) Set of 6 Motorcraft fuel injectors, part #CM-4670, ford # E03E-A2B, fits ford 3l & engines...(June 11th, 2014)
• Motorcraft CM-4779 Central Port Fuel Injector (60% similar) ...(May 21st, 2014)
• MOTORCRAFT CM-4893 Fuel Injector (46.8% similar) Motorcraft parts are designed and engineered to fit for installation on Lincoln, mercury, and ford vehicles. Some parts, such as motor...(March 21st, 2014)
• MOTORCRAFT CM-5041 Fuel Injector (46.8% similar) Est, Mon to Fri. Motorcraft parts are designed and engineered to fit for installation on Lincoln, mercury, and ford vehicles. Some parts, such as Motorcraft's extensive list...(March 29th, 2014)
• MOTORCRAFT CM-5117 Fuel Injector (46.8% similar) Some parts, such as motor. Motorcraft parts are designed and engineered to fit for installation on Lincoln, mercury, and ford vehicles...(March 14th, 2014)
• MOTORCRAFT CM-5220 Fuel Injector (46.8% similar) Some parts, such as motorcraf. Motorcraft parts are designed and engineered to fit for installation on Lincoln, mercury, and ford vehicles...(April 4th, 2014)
• NEW MOTORCRAFT FUEL INJECTOR CM4973 FJ805 SET OF 8 (16.8% similar) New Motorcraft fuel injector CM4973 FJ805 set of 8 $299...(March 21st, 2014)
• 2 Ford Power Stroke 6.0L Diesel Fuel Injectors Motorcraft CN-5019-RM (34.8% similar) Up for sale are 2 new remanufactured Motorcraft fuel injectors part # CN-5019-RM or 4C3Z-9E527-BRM I bought the injectors from my local ford dealer and is new...(January 24th, 2014)
• MOTORCRAFT CM-4720 FUEL INJECTOR F1ZZ-9F593-C NEW MUSTANG 5.0 L 302 SET OF 8 (16.1% similar) My price is for a set of 8 and a lot of others on are selling them and you might get 2 or 3 for that price. 8 liter motors from 1989 -1994. I have here individual/bulk ford Motorcraft CM-4720 fuel injector alt. Price is for one set of 8 fuel injectors...(April 24th, 2014)