
42850789 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $71.03 | Condition is New, Genuine GM Center Duct 42850789, FREE SHIPPING | 99.2% |

The GM 42850789 Center Duct is an essential component of a heating, ventilation, and air conditioning (HVAC) system. It is designed to provide efficient airflow and distribute conditioned air evenly throughout a vehicle's cabin.
This center duct is specifically engineered for use in certain GM vehicles. It is made of high-quality materials, including thermoplastic resin, which ensures durability and resistance to corrosion. The duct's design features a smooth interior surface, which reduces air turbulence and improves airflow efficiency.
The GM 42850789 Center Duct is designed to fit snugly into the vehicle's HVAC system. It features multiple inlets and outlets, allowing it to connect to various other ducts and vents. The duct's dimensions are approximately 29 inches long, 11 inches wide, and 7 inches high.
The duct's design also includes insulation, which helps to maintain the temperature of the air being distributed throughout the vehicle. This insulation is made of a high-density material that effectively reduces heat transfer, helping to keep the cabin comfortable.
Installing the GM 42850789 Center Duct is a straightforward process. It comes with all necessary mounting hardware, making it easy to securely attach the duct to the vehicle's HVAC system. The duct's design also allows for easy access to various HVAC components, making maintenance and repairs simpler.
In summary, the GM 42850789 Center Duct is a critical component of a vehicle's HVAC system. Its high-quality materials, efficient design, and easy installation make it an essential addition to any GM vehicle. By improving airflow and maintaining comfortable temperatures, this center duct helps to enhance the overall driving experience.
Buying a GM part number 42850789 Center Duct, also known as an intake manifold gasket or a throttle body gasket, involves considering its potential benefits and drawbacks for your specific vehicle and situation. Here are some pros and cons to help you make an informed decision.
Pros:1. OEM (Original Equipment Manufacturer) Part: This gasket is a factory-original replacement part produced by General Motors. Using an OEM part ensures a perfect fit, reliable performance, and compatibility with your vehicle's engine and other components.
2. Improved Engine Performance: A worn-out or damaged center duct gasket can lead to engine performance issues such as misfires, rough idling, or poor fuel economy. Replacing the gasket with a new one can help restore proper engine function and improve overall performance.
3. Long-lasting Solution: A high-quality OEM center duct gasket is designed to provide long-lasting performance, preventing the need for frequent replacements.
Cons:1. Cost: OEM parts generally cost more than aftermarket or used parts due to their higher quality and production costs. The price of GM part number 42850789 may be higher than some alternative options.
2. Availability: Depending on the specific model and year of your vehicle, the availability of OEM center duct gaskets may be limited, requiring you to search for a dealer or supplier that carries the part.
3. Installation Complexity: The installation process for a center duct gasket can be complex, as it involves removing various engine components to access the gasket. This may require professional installation or extensive mechanical knowledge and experience.
In conclusion, purchasing GM part number 42850789, a Center Duct gasket, offers the advantage of using an OEM part for reliable engine performance and long-lasting durability. However, the higher cost, potential limited availability, and installation complexity are important considerations. Ultimately, if you prioritize ensuring a perfect fit, high-quality materials, and long-term performance, an OEM center duct gasket may be the best choice for your vehicle. If budget and installation convenience are your main concerns, you may consider exploring aftermarket or used options.
Details:
Just didn't like it. Changed my mind. Found a better price.
specifications interiorswoop:
- brand: Gm Genuine Parts
- mpn: 42850789
- part type: Duct
- genuine oem: Yes
- warranty: 1 Year
- fitment type: Direct Replacement
- make: Buick
- year: 2024
- parts included: Only Part Reference 8 On The Diagram Is Included
- replaces part number: 42826818
shipping interiorswoop:
- class: standard
- carrier: fedex
- service: fedex ground / fedex home delivery
- type: fixed
- transit: 4-10 days
payments interiorswoop:
- other
- credit card: mastercard
- wallet: paypal
seller interiorswoop:
- city: garland, texas
- rating: 97.6%
- # reviews: 21681
returns interiorswoop:
- policy: returns accepted
- paid by: seller
- time: 30 days
offer interiorswoop:
- price: $71.03
- item condition: New
- options: ship-to-home
- started: october 19, 2025
- sold #: 14
- in stock #: 1
- availability: in stock
general interiorswoop:
- category: Auto Parts > Car Truck > Interior Accessories
