GM GENUINE PARTS 12670978 Passenger Crankcase Ventilation Pcv Tube

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 12670978 ), ( Part Type: Tube ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Replaces Part Number: 12641291, 12659195 )

Review GM GENUINE PARTS Passenger Side Positive Crankcase Ventilation Pcv Tube

The GM 12670978 Passenger Crankcase Ventilation (PCV) tube is an essential automotive component designed to ensure efficient and effective engine performance. This tube is part of the PCV system, which helps control crankcase pressures and reduces harmful emissions.

The GM 12670978 PCV tube is manufactured using high-quality materials, including reinforced rubber and durable metal fittings. Its design incorporates an integral valve that regulates the flow of gases between the crankcase and intake manifold, maintaining proper engine vacuum levels and reducing the amount of unburnt hydrocarbons released into the atmosphere.

This PCV tube features a robust design, which allows it to withstand the harsh conditions of the engine compartment, including extreme temperatures and pressures. Its flexible rubber construction enables it to conform to various engine configurations while providing a tight seal, preventing leaks and maintaining the efficiency of the PCV system.

The GM 12670978 Passenger Crankcase Ventilation tube comes with metal fittings that provide a secure connection to the intake manifold and crankcase, ensuring a reliable seal and minimizing the risk of leaks. The tube's ends are equipped with O-rings for added sealing performance, providing a more effective solution compared to traditional tube designs.

In terms of compatibility, this GM PCV tube is specifically designed for use in various GM vehicles. It is crucial to ensure that the correct part number is used for your specific application to maintain optimal engine performance and longevity.

When installing the GM 12670978 Passenger Crankcase Ventilation tube, it is essential to follow the manufacturer's instructions carefully. This includes properly disconnecting the old tube and ensuring a clean connection surface before installing the new tube. Proper installation ensures that the PCV system functions correctly, ensuring a smooth and efficient engine operation.

In summary, the GM 12670978 Passenger Crankcase Ventilation tube is a crucial component of the PCV system, designed to help maintain engine performance and reduce harmful emissions. Its robust design, featuring high-quality materials and integral valve, ensures reliable operation in harsh conditions. Proper installation and regular maintenance are essential to ensure the longevity and effectiveness of this vital engine component.

Pros and Cons of Buying a GM 12670978 Passenger Crankcase Ventilation (PCV) Tube

The GM 12670978 Passenger Crankcase Ventilation (PCV) tube is an essential component of your vehicle's engine system. It helps to control crankcase emissions by routing the gases from the crankcase back into the intake system. Replacing a worn-out or damaged PCV tube can improve engine performance and fuel efficiency. Here are some pros and cons to consider before buying this part.

1. Improved Engine Performance: A faulty PCV tube can cause engine misfires and rough idling. Replacing it can help restore smooth engine operation.

2. Better Fuel Economy: A malfunctioning PCV system can cause increased engine friction, leading to higher fuel consumption. Replacing the PCV tube can help improve your vehicle's fuel efficiency.

3. Reduced Emissions: A PCV tube helps to control crankcase emissions. A worn-out or damaged tube can cause increased emissions, leading to a failure of the check engine light. Replacing the PCV tube can help reduce your vehicle's emissions.

4. Cost-Effective: Replacing a PCV tube is generally a less expensive repair compared to other engine components.

5. Easy Installation: The PCV tube is a relatively simple component to replace, and many auto parts stores offer installation services.

1. Potential for OEM vs. Aftermarket Debate: Some consumers may prefer to purchase original equipment manufacturer (OEM) parts, while others may opt for aftermarket alternatives. The choice between OEM and aftermarket parts can impact the cost and quality of the replacement PCV tube.

2. Availability: Depending on the make, model, and year of your vehicle, the GM 12670978 PCV tube may be challenging to find at your local auto parts store. You may need to order it online or from a specialty parts supplier.

3. Labor Costs: While the PCV tube itself may be a relatively inexpensive repair, the labor costs associated with replacing it can add to the overall cost of the repair.

4. Potential for Additional Repairs: A faulty PCV tube may be a symptom of a larger issue within the engine system. Replacing the PCV tube could lead to the discovery of additional repairs that may add to the overall cost.

The GM 12670978 Passenger Crankcase Ventilation (PCV) tube is an essential component of your vehicle's engine system. Replacing a worn-out or damaged PCV tube can help improve engine performance, fuel efficiency, and reduce emissions. While there are some cons to consider, such as potential labor costs and availability, the benefits typically outweigh the drawbacks. Ultimately, the decision to purchase a GM 12670978 PCV tube depends on your budget, the availability of the part, and your vehicle's specific needs.

If you suspect that your vehicle's PCV tube is faulty, it's worth considering a replacement. We recommend weighing the pros and cons carefully and considering factors such as your budget, the availability of the part, and the potential for additional repairs. If you're unsure about the installation process, consider seeking professional help from a trusted mechanic or auto parts store.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Used or tried parts are not returnable. Electrical parts are not returnable.

part #: 12670978 prices

• $55.35-$81.78

specifications airfueldepo:

• brand: Gm Genuine Parts
• mpn: 12670978
• part type: Tube
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included
• replaces part number: 12641291, 12659195

general airfueldepo:

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

returns airfueldepo:

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

seller airfueldepo:

• city: Tucson, Arizona
• # reviews: 966
• rating: 96.9%

shipping airfueldepo:

• transit: 4-8 Days
• cost: $0.00
• type: Fixed
• class: Standard, Expedited, One-day
• carrier: UPS
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver

payments airfueldepo:

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

offer airfueldepo:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 3, 2026
• quantity: 1

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