GM TBI-220 Throttle Body Tbi 5.7L 17090022

( Brand: Gm ), ( Type: Throttle Body Assembly ), ( Manufacturer Part Number: TBI-220 ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country Of Origin: United States )

Review GM Gmc Truck Tbi 5.7l Throttle Body Assembly Oem fits 350 1987–1990

GM TBI-220 Throttle Body for 1987-1990 GMC with 5.7L 350 V8 Engine (17090022)

The GM TBI-220 Throttle Body is an essential component of the Throttle Body Injection (TBI) system, which was used in various General Motors vehicles from the late 1980s to the late 1990s. This throttle body is specifically designed for 1987-1990 GMC pickups and SUVs equipped with the 5.7L 350 cubic inch V8 engine. Part number 17090022 is the GM original equipment number for this throttle body.

The TBI-220 Throttle Body features a compact design that integrates the throttle valve, idling system, and fuel metering components into a single housing. This design simplifies the fuel delivery system, reduces weight, and improves overall engine performance. The throttle body is constructed from durable materials, such as cast aluminum, to ensure long-lasting reliability and resistance to corrosion.

The GM TBI-220 Throttle Body is designed with a smooth-operating throttle valve that provides precise control over engine rpm and fuel delivery. The valve is actuated by the accelerator pedal, allowing the driver to control the engine's power output and responsiveness. The throttle body also includes an integrated idling system that maintains consistent engine speed during idling conditions, ensuring a stable and smooth engine operation.

This GM throttle body is compatible with the factory TBI system and does not require any modifications for installation. It is a direct replacement part, meaning that it fits and functions identically to the original equipment part. Installing the new throttle body is a straightforward process that can be completed using basic hand tools and common service procedures.

By upgrading to a new GM TBI-220 Throttle Body, you can restore the performance and fuel efficiency of your 1987-1990 GMC pickup or SUV with the 5.7L 350 V8 engine. This upgrade can also help improve drivability, reduce emissions, and extend the life of your engine.

Note: Always refer to the vehicle service manual for specific installation instructions and precautions. If you have any doubts about the installation process, consult a professional mechanic or contact GM Technical Customer Assistance for further assistance.

The GM TBI-220 Throttle Body for 1987-1990 GMC trucks with a 5.7L 350 engine, part number 17090022, is a crucial component for maintaining proper fuel delivery and air intake in these vehicles. Let's discuss the pros and cons of purchasing this throttle body to help you make an informed decision.

1. OEM (Original Equipment Manufacturer) Replacement: This part is a direct replacement for the original throttle body in your vehicle, ensuring a perfect fit and compatibility.

2. Improved Performance: A new throttle body can help improve engine performance by providing better air flow and fuel delivery, resulting in smoother acceleration and better fuel efficiency.

3. Longer Lifespan: A new throttle body is less likely to fail compared to a worn-out or malfunctioning one. By investing in a new part, you can avoid potential engine damage and costly repairs in the future.

4. Enhanced drivability: A properly functioning throttle body ensures that the engine responds appropriately to your driving inputs, resulting in a more enjoyable driving experience.

1. Cost: Replacing a throttle body can be a significant expense, especially if you're not performing the labor yourself. However, consider the long-term savings from avoiding potential repairs and the improved performance.

2. Installation Complexity: Depending on your mechanical skills and experience, installing a new throttle body can be a challenging process. Some vehicles may require specialized tools or extensive disassembly to access the throttle body.

3. Potential for Additional Repairs: When replacing a throttle body, there's a possibility that other related components, such as sensors or hoses, may need to be replaced as well. These additional costs should be considered when budgeting for the repair.

The decision to purchase a new GM TBI-220 Throttle Body for your 1987-1990 GMC 5.7L 350 truck ultimately depends on your vehicle's current condition, your budget, and your comfort level with DIY repairs. If your vehicle is experiencing drivability issues or poor performance, replacing the throttle body can help improve these symptoms and potentially save you money in the long run by avoiding costly repairs. However, if your vehicle is running well and you're not comfortable performing the installation yourself, it may be worth considering other options. Ultimately, weighing the pros and cons will help you make the best decision for your specific situation.

If you've determined that replacing the throttle body is the right choice for your vehicle, consider purchasing the GM TBI-220 Throttle Body, part number 17090022, from a reputable auto parts supplier to ensure you're getting a high-quality, OEM replacement. Additionally, if you're not comfortable performing the installation yourself, consider having it installed by a professional mechanic to ensure the job is done correctly and efficiently.

part # tbi220 prices

• $99.99-$395.00

specifications carbcaddie:

• for models: 350
• for makes: Gmc
• for years: 1987-1990
• brand: Gm
• type: Throttle Body Assembly
• manufacturer part number: TBI-220
• vintage part: Yes
• universal fitment: No
• country of origin: United States

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: For parts or not working

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• options: Ship-to-home
• best offers: True
• sold: 0
• quantity: 1
• availability: In Stock
• started: June 7, 2026

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• rating: 100.0%

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• transit: 3-6 Days
• class: Standard
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• type: Fixed
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• cost: $9.99

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