GMC 329-10186 Upper Intake Manifold Diesel 6.6L 81K

( Part Type: Intake Manifold ), ( Ipn: 329-10186 ), ( Manufacturer Warranty: 6 Month ), ( Warranty Length: 6 Month Warranty ), ( Partout Id: A-90431627 )

Review GMC 6.6l Upper Intake Manifold Diesel 81k Oem Lkq fits DENALI 2500 2020

The GMC 329-10186 Upper Intake Manifold is a crucial component of the 6.6L diesel engine found in various GMC Denali 2500 models, with approximately 81,000 miles on the odometer. This Upper Intake Manifold (UIM) is meticulously designed to distribute fuel efficiently to each cylinder in the engine, ensuring optimal performance and power.

The UIM is constructed with a robust cast aluminum housing that provides exceptional strength and durability. Its intricate design includes a series of ports and passages that facilitate the smooth flow of fuel, cooling liquid, and engine air. The manifold is equipped with a set of robust gaskets and seals to prevent any unwanted leaks, ensuring a reliable seal between the cylinder heads and the manifold.

The intake ports on this Upper Intake Manifold are meticulously designed with precise dimensions to accommodate the intake valves and ensure a perfect seal when closed. The ports are also strategically placed to optimize the incoming air charge for efficient combustion. The manifold also features integrated fuel injectors, which spray fuel directly into the cylinders for optimal combustion and power.

This Upper Intake Manifold comes with all necessary hardware, including bolts and gaskets, for a straightforward installation process. It is essential to follow the recommended installation procedures carefully to ensure proper alignment and sealing of the manifold. With the right tools and expertise, the installation process can be completed efficiently, allowing you to get back on the road with peace of mind.

In summary, the GMC 329-10186 Upper Intake Manifold is a high-performing and durable component that plays a vital role in the 6.6L diesel engine of various GMC Denali 2500 models. Its precise design, robust construction, and easy installation make it an excellent choice for those seeking optimal engine performance and reliability.

Buying a GMC Denali 2500 with a 6.6L diesel engine and a 20 denali 329-10186 upper intake manifold (UIM) with 81,000 miles can be a complex decision due to various factors. Here are some potential pros and cons to help you make an informed decision:

1. Durability: The 6.6L Duramax diesel engine is known for its durability and reliability. Replacing the UIM with a remanufactured or new one can extend the engine's life.

2. Improved Performance: A new or remanufactured UIM can improve engine performance by reducing leaks and improving fuel economy.

3. Smoother Operation: A faulty UIM can cause rough idling, misfiring, and other engine issues. Replacing it can result in a smoother and more consistent driving experience.

4. Increased Resale Value: A well-maintained engine with new or remanufactured components can increase the resale value of the vehicle.

1. Cost: Replacing the UIM can be an expensive repair, especially if you choose to buy a new one. The cost can vary depending on the labor and parts involved.

2. Availability: Finding a new UIM for a 2001 GMC Denali 2500 with 6.6L diesel engine can be challenging, and you may need to consider buying a remanufactured or used one instead.

3. Installation Complexity: Installing a new or remanufactured UIM can be a complex process that requires specialized tools and knowledge. It may be best to have a professional mechanic do the installation to ensure it is done correctly.

4. Potential for Further Issues: Replacing the UIM may not solve all engine issues, and further repairs may be necessary.

Replacing the UIM in a 2001 GMC Denali 2500 with a 6.6L diesel engine can be a worthwhile investment for those looking to improve engine performance, extend the engine's life, and increase resale value. However, the cost and complexity of the repair should be carefully considered. If you are not comfortable with the installation process, it is recommended to have a professional mechanic do the work to ensure it is done correctly and efficiently.

If you decide to replace the UIM in your GMC Denali 2500, consider buying a remanufactured or used one to save on costs. Make sure to have the UIM installed by a professional mechanic to ensure proper installation and to minimize the risk of further issues. Regular maintenance and timely repairs can help prevent the need for expensive repairs in the future.

Details:

No photos of the actual item are available. This listing is for 1 ITEM ONLY, will fit: GMC Sierra 2500 2020 2023 diesel, upper, Denali 3500 2020 2022 Chevrolet Silverado 2020 - 2020 6.6L, 2021 2024 upper. ATTENTION: Stock photo shows multiple items.

specifications inputmanifolds:

• for models: 2500, Denali
• for makes: Gmc
• for years: 2020
• part type: Intake Manifold
• interchange part number: 329-10186
• manufacturer warranty: 6 Month
• warranty length: 6 Month Warranty
• partout id: A-90431627

shipping inputmanifolds:

• transit: 4-10 Days
• type: Fixed
• service: UPS Ground
• cost: $0.00
• carrier: UPS
• class: Standard

offer inputmanifolds:

• quantity: 1
• started: September 15, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

general inputmanifolds:

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

seller inputmanifolds:

• city: West Monroe, Louisiana
• rating: 93.8%
• # reviews: 462565

payments inputmanifolds:

• other
• wallet: Apple-pay
• credit card: Discover

returns inputmanifolds:

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

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