GMC TRUCK SIERRA150 Diesel Intake Manifold Throttle Body 329-10199 3.0L

( Brand: Gmc Truck ), ( Conditions Options: Complete With Tb, 3.0 ), ( Genuine Oem: Yes ), ( Ipn: 329-10199 ), ( Type: Intake Manifold ), ( Manufacturer Part Number: SIERRA150 )

Review GMC TRUCK 3.0l Diesel Intake Manifold Throttle Body fits SIERRA 1500 2021

The GMC 329-15199 21 Sierra 1500 3.0L Diesel Intake Manifold Throttle Body is a crucial component of the engine's fuel delivery and air intake system in certain 3.0L Duramax diesel engines. This part is a direct factory replacement and is designed to deliver optimal performance and efficiency for your GMC Sierra 1500 3.0L Duramax diesel vehicle.

The intake manifold is responsible for distributing air from the air filter to the engine's combustion chambers. The integrated throttle body regulates the amount of air that enters the engine based on the driver's accelerator input. This component plays a significant role in the vehicle's overall power output and fuel economy.

This intake manifold throttle body is a precision-engineered component, featuring a durable cast aluminum construction for long-lasting reliability. The throttle body includes an electronically controlled throttle plate, which allows for smooth and responsive throttle response. The intake manifold is also equipped with a built-in mass airflow sensor, which measures the amount of air entering the engine for efficient fuel delivery.

The GMC 329-15199 21 Sierra 1500 3.0L Diesel Intake Manifold Throttle Body is designed to meet or exceed original equipment manufacturer (OEM) specifications. This ensures a perfect fit, reliable operation, and unmatched performance for your GMC Sierra 1500 3.0L Duramax diesel engine.

When it comes to maintaining the performance and longevity of your vehicle's engine, using a high-quality, factory-original intake manifold throttle body is essential. This component is engineered to work in harmony with other engine components, ensuring that your vehicle operates at peak efficiency.

In summary, the GMC 329-15199 21 Sierra 1500 3.0L Diesel Intake Manifold Throttle Body is a premium replacement part designed to deliver optimal performance and reliability for your GMC Sierra 1500 3.0L Duramax diesel engine. With its durable construction, precise engineering, and OEM-quality design, this intake manifold throttle body is an essential upgrade for any vehicle owner seeking to maintain the performance and longevity of their engine.

1. Improved Performance: A new throttle body can enhance your engine's performance by ensuring optimal airflow, leading to better fuel efficiency and increased horsepower.

2. Enhanced Driveability: A worn-out throttle body may cause hesitation or stalling during acceleration. Replacing it with a new one can result in smoother and more responsive acceleration.

3. Longer Engine Life: A worn-out throttle body can put added stress on other engine components. Replacing it can help prevent potential damage and extend the overall lifespan of your engine.

4. Better Fuel Economy: By ensuring optimal airflow, a new throttle body can help improve your engine's fuel efficiency, saving you money on gas in the long run.

1. Cost: A new throttle body can be an expensive replacement part, especially for a heavy-duty vehicle like the GMC Sierra 1500.

2. Installation Complexity: Installing a new throttle body can be a complex process, requiring specialized tools and technical expertise.

3. Potential for Error: Installing the wrong throttle body or incorrectly installing the new one can lead to further engine issues, potentially costing you more money in repairs.

The decision to buy the GMC 329-10199 21 Sierra 1500 3.0L diesel intake manifold throttle body depends on your specific situation. If you're experiencing issues with your current throttle body, such as poor performance, hesitation during acceleration, or stalling, then replacing it may be a worthwhile investment. However, if your engine is running smoothly and efficiently, then the cost of replacing the throttle body may not be justifiable. Ultimately, it's essential to weigh the potential benefits against the cost and complexity of the replacement process.

If you're experiencing issues with your Sierra 1500's throttle body, consider having it inspected by a professional mechanic to determine if replacement is necessary. If so, ensure that you purchase the correct part from a reputable supplier and follow the installation instructions carefully to avoid any potential complications. If you're unsure about the process, consider having a professional install the new throttle body to ensure optimal performance and longevity.

Details:

SIERRA 1500 PICKUP 20-25 3.0L. SILVERADO 1500 PICKUP 20-25 3.0L. SUBURBAN 1500 21-24 3.0L. SIERRA DENALI 1500 20-24 3.0L.

No expedited shipping is available.

specifications inputmanifolds:

• for models: 1500, Sierra
• for makes: Gmc
• for years: 2021
• brand: Gmc Truck
• conditions options: Complete With Tb, 3.0
• genuine oem: Yes
• interchange part number: 329-10199
• type: Intake Manifold
• manufacturer part number: SIERRA150

seller inputmanifolds:

• rating: 99.7%
• # reviews: 43631
• city: Richland, Mississippi

general inputmanifolds:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

payments inputmanifolds:

• wallet: Paypal
• other
• credit card: Mastercard

offer inputmanifolds:

• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• started: October 25, 2025
• availability: In Stock

returns inputmanifolds:

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

shipping inputmanifolds:

• type: Calculated
• cost: $34.38
• transit: 3-6 Days
• service: UPS Ground
• carrier: UPS
• class: Standard

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