GM 17090070 Throttle Body Tbi

( Brand: Gm ), ( Manufacturer Part Number: 17090070 ), ( Type: Throttle Body ), ( Oe/oem Part Number: 17094020 )

Review GM Gmc Inch Throttle Body Tbi fits SUBURBAN SILVERADO 454 1987–1990

GM 17090070 87-90 Suburban/Silverado GMC 454 Throttle Body TBI - A Precision-Engineered Solution for Your Vehicle's Fuel System

The GM 17090070 87-90 Suburban/Silverado GMC 454 Throttle Body TBI (Throttle Body Injection) is an essential component of your vehicle's fuel system, designed to deliver precise and efficient fuel delivery for optimal performance. This throttle body, specifically engineered for GMC 454 engines manufactured between 1987 and 1990, is a perfect replacement or upgrade for your aging or malfunctioning unit.

Crafted with precision, this throttle body boasts a robust construction that withstands the demands of high-performance driving. The housing is made from durable materials, ensuring longevity and reliability. The TBI design ensures an even and accurate fuel mixture for smooth and powerful engine operation, reducing emissions and enhancing fuel efficiency.

The GM 17090070 87-90 Suburban/Silverado GMC 454 Throttle Body TBI features a proprietary throttle plate mechanism that ensures seamless throttle response, providing you with a driving experience that is both responsive and controlled. The unit is also equipped with a vacuum secondariy idle control, which allows for consistent idling and smooth transitions during load changes.

Installation is straightforward, thanks to the easy-to-follow instructions provided. The throttle body is a direct fit for your 1987-1990 GMC Suburban or Silverado with a 454 engine, eliminating the need for any modifications. This throttle body is a perfect solution for those seeking to restore their classic vehicles or for those looking to enhance the performance of their daily drivers.

In conclusion, the GM 17090070 87-90 Suburban/Silverado GMC 454 Throttle Body TBI is a high-quality, precision-engineered component that delivers reliable fuel delivery, enhances performance, and ensures a smooth and powerful driving experience. Invest in this throttle body today and breathe new life into your classic GMC 454-powered vehicle.

The GM 17090070 87-90 Suburban Silverado GMC 454 Throttle Body (TBI) has its unique advantages and potential drawbacks that you should consider before making a purchase.

1. Original Equipment Manufacturer (OEM) Part: This throttle body is an original GM part, ensuring compatibility and reliability with the vehicle.

2. Improved Performance: The 454 TBI can provide better throttle response, improved idle quality, and enhanced fuel efficiency compared to some aftermarket alternatives.

3. Easy Installation: Since it's a direct replacement, installation should be straightforward for most mechanics or enthusiasts with some experience.

1. Price: OEM parts can be more expensive compared to aftermarket alternatives, which may deter some buyers.

2. Availability: Due to its age, finding this specific part may be challenging, and lead times for shipping could be longer.

3. Wear and Tear: Like any other mechanical component, the throttle body may have wear and tear from years of use, requiring additional inspection and potential repairs or replacements of related components.

The GM 17090070 87-90 Suburban Silverado GMC 454 Throttle Body is an excellent choice for those seeking an OEM part for their vintage vehicle, prioritizing performance and reliability. However, its price and potential availability issues should be carefully evaluated before making a purchase. If affordability is a primary concern, aftermarket alternatives might be worth considering, but ensure they are compatible with your specific vehicle model and year.

Details:

All the sensors are there. Shipping will be insured FedEx ground to anywhere in the lower 48. Selling this as-is -> for parts only. Worked when removed but Would recommend tossing at least a gasket set it because its been sitting for while now.

This was pulled from a1988 C30 truck with a L19 454 engine and manual transmission. The throttle shafts are not loose and they frozen. You are buying a USED complete GM 454 TBI unit numbered 17090070, as pictured.

part #: 17090070 prices

• $79.95-$350.00

specifications throobo:

• for models: 454, Suburban, Silverado
• for makes: Gmc
• for years: 1987-1990
• brand: Gm
• mpn: 17090070
• type: Throttle Body
• oe/oem part number: 17094020

payments throobo:

• other
• credit card: Visa
• wallet: Apple-pay
• cash

general throobo:

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

offer throobo:

• availability: In Stock
• sold: 0
• started: September 7, 2025
• best offers: True
• options: Ship-to-home
• quantity: 1

returns throobo:

• policy: No Returns

seller throobo:

• # reviews: 2586
• city: Carson City, Nevada
• rating: 100.0%

shipping throobo:

• type: Calculated
• transit: 5-11 Days
• class: Standard, Expedited
• cost: $17.15
• service: USPS Ground Advantage, USPS Priority Mail
• carrier: USPS

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