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  3. GM 12701623

GM GENUINE PARTS 12701623 Crankcase Ventilation Foul Air Tube

fits year: 2017–2020.

12701623 Gm Genuine Parts Positive Crankcase Ventilation Foul Air Tube

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 12701623 ), ( Part Type: Tube ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Buick ), ( Year: 2017 2018 2019 2020 ), ( Parts Included: Only Part Reference 19 On The Diagram Is Included ), ( Replaces Part Number: 12669905, 12680716 )

Review GM GENUINE PARTS Positive Crankcase Ventilation Foul Air Tube fits 2017–2020

GM OEM Crankcase Ventilation Foul Air Tube (12701623)

The GM OEM Crankcase Ventilation Foul Air Tube (12701623) is an essential component in the crankcase ventilation system of select GM vehicles. This tube is designed to help regulate the pressure inside the engine crankcase and prevent harmful gases from entering the intake system.

This tube, specifically, is known as the "foul air tube." Its primary function is to collect and redirect crankcase gases that contain unburnt fuel, moisture, and other contaminants away from the engine's intake system. By doing so, it ensures that these impurities do not interfere with the combustion process and maintain optimal engine performance.

The GM 12701623 Crankcase Ventilation Foul Air Tube is made from high-quality materials to ensure durability and reliability. Its internal design allows for efficient gas flow while effectively filtering out impurities. The tube's exterior is engineered to withstand the harsh conditions of the engine compartment.

Installation of this tube is straightforward and typically involves connecting it to the crankcase ventilation system and the intake manifold. GM recommends replacing this component if it shows signs of wear, such as cracks or leaks, to maintain the overall health and longevity of the engine.

In summary, the GM OEM Crankcase Ventilation Foul Air Tube (12701623) is an essential component of your vehicle's crankcase ventilation system. Its primary function is to collect and redirect contaminated crankcase gases away from the intake system, ensuring optimal engine performance and longevity. This high-quality tube is engineered to withstand the harsh conditions of the engine compartment and is simple to install.

Buying a GM 12701623 crankcase ventilation foul air tube involves considering its potential benefits and drawbacks. Here are some pros and cons to help you make an informed decision.

Pros:

1. Improved Engine Performance: A faulty crankcase ventilation system can lead to reduced engine performance due to the presence of foul air in the intake system. Replacing the foul air tube with a new one can help eliminate this issue and improve the overall performance of your engine.

2. Better Fuel Economy: A more efficient crankcase ventilation system can help improve fuel economy by reducing the amount of fuel wasted due to incomplete combustion caused by foul air in the intake system.

3. Increased Longevity: By addressing the issue of foul air in the crankcase ventilation system, you can help extend the life of your engine by reducing the amount of wear and tear caused by the presence of harmful gases and contaminants.

4. OEM Quality: The GM 12701623 crankcase ventilation foul air tube is an original equipment manufacturer (OEM) part, meaning it is designed to meet the specifications and standards of General Motors. This can provide peace of mind knowing that you are using a part that is specifically engineered for your vehicle.

Cons:

1. Cost: Replacing a crankcase ventilation foul air tube can be an expensive repair, especially if you choose to have it installed at a dealership or repair shop. The cost of the part itself can also be relatively high.

2. Labor Intensive: Installing a new crankcase ventilation foul air tube can be a labor-intensive process, requiring the removal of various components to access the tube. This can add to the overall cost and time required for the repair.

3. Potential for Other Issues: Replacing a faulty crankcase ventilation foul air tube does not guarantee that all issues with your vehicle's crankcase ventilation system have been addressed. Other components, such as the crankcase ventilation valve or the PCV system, may also need to be inspected and repaired.

Conclusion:

In conclusion, replacing a faulty crankcase ventilation foul air tube with a new GM 12701623 part can provide several benefits, including improved engine performance, better fuel economy, increased longevity, and OEM quality. However, the cost and labor-intensive nature of the repair, as well as the potential for other issues, should be carefully considered before making a decision.

Recommendation:

If you are experiencing issues with your vehicle's crankcase ventilation system and suspect that the foul air tube may be the cause, it is recommended that you have the issue diagnosed by a qualified mechanic. They can help determine if replacing the foul air tube is the best course of action, or if other components may need to be inspected and repaired. Additionally, considering purchasing a remanufactured or aftermarket part as an alternative to the OEM part may help reduce the cost of the repair.

Details:

Found a Better Price. Changed My Mind. Just Didn't Like it.

part #: 12701623 prices

  • $38.86-$41.23

specifications airfueldepo:

  • for years: 2017-2020
  • brand: Gm Genuine Parts
  • mpn: 12701623
  • part type: Tube
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • universal fitment: Direct Replacement
  • make: Buick
  • year: 2017 2018 2019 2020
  • parts included: Only Part Reference 19 On The Diagram Is Included
  • replaces part number: 12669905, 12680716

payments airfueldepo:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay

returns airfueldepo:

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

seller airfueldepo:

  • city: Garland, Texas
  • # reviews: 23219
  • rating: 98.1%

shipping airfueldepo:

  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • transit: 6-12 Days
  • cost: $0.00
  • carrier: FedEx
  • type: Fixed

general airfueldepo:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery

offer airfueldepo:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: November 22, 2025
  • quantity: 4
for years: 2017-2020, part type: tube, genuine oem: yes, manufacturer warranty: 1 year, universal fitment: direct replacement, year: 2017 2018 2019 2020, parts included: only part reference 19 on the diagram is included, replaces part number: 12669905, 12680716,
manufacturer: buick, category: auto parts > car truck parts accessories > air fuel delivery, sku: 11764811815314604,

Gm Genuine Parts 12701623 Is Similar To:

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5 offers $38.86–$41.23 USD
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