GM GENUINE PARTS 12668738 Crankcase Ventilation Pcv Valve

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 12668738 ), ( Part Type: Valve ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Chevrolet ), ( Year: 2018 2019 2020 2021 2022 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review GM GENUINE PARTS Positive Crankcase Ventilation Pcv Valve fits 2018–2022

GM 12668738 PCV Valve - Crankcase Ventilation System Component

The GM 12668738 PCV (Positive Crankcase Ventilation) valve is an essential component of the crankcase ventilation system in various General Motors vehicles. Designed to improve engine performance and reduce harmful emissions, this valve plays a crucial role in maintaining the optimal functioning of the engine.

Measuring approximately 3.7 inches (9.39 cm) in length and 2.4 inches (6.1 cm) in width, this valve is engineered with a robust construction to withstand the harsh conditions within the engine compartment. The valve body is manufactured from high-strength materials, ensuring durability and reliability.

The GM 12668738 PCV valve features an integrated diaphragm that controls the flow of gases between the crankcase and the intake manifold. This diaphragm is made from a resilient rubber compound, allowing it to effectively seal and prevent unwanted gases from escaping. Moreover, this design enables the valve to operate efficiently, ensuring optimal engine performance.

The valve also includes an integral check valve that prevents the backflow of gases into the crankcase. This feature is essential to prevent the buildup of harmful gases, ensuring the engine remains well-ventilated and operating at its best.

The GM 12668738 PCV valve comes with a robust O-ring seal that securely attaches it to the intake manifold, providing a tight and leak-free connection. This O-ring is made from a high-quality, heat-resistant material, ensuring it can withstand the high temperatures and pressures within the engine compartment.

In summary, the GM 12668738 PCV valve is a vital component of the crankcase ventilation system in various GM vehicles. Its robust construction, integrated diaphragm, and check valve ensure efficient engine performance and reduced harmful emissions. By maintaining the optimal functioning of the engine, this valve contributes to improved fuel economy and a longer engine lifespan.

The GM 12668738 crankcase ventilation PCV (Positive Crankcase Ventilation) valve is an essential component of the engine's emissions control system. This valve regulates the flow of gases between the crankcase and the intake manifold, preventing harmful emissions from entering the atmosphere. Here are some pros and cons of buying this specific GM PCV valve.

1. Original Equipment Manufacturer (OEM): This valve is a direct replacement for the original GM part, ensuring a perfect fit and function.

2. Emissions Compliance: By replacing a faulty PCV valve, you ensure your vehicle meets emissions standards, preventing potential fines or issues during inspections.

3. Improved Engine Performance: A faulty PCV valve can result in loss of engine power and reduced fuel efficiency. Replacing it can restore optimal engine performance.

4. Longer Engine Life: Regularly replacing PCV valves can help prevent engine damage caused by excessive crankcase pressure.

1. Cost: The GM 12668738 PCV valve may be more expensive than aftermarket alternatives, although the price difference may be offset by the peace of mind and reliability that comes with an OEM part.

2. Availability: Depending on your location, finding this specific OEM part may require some effort and potentially additional shipping costs.

3. Installation: Installing the new PCV valve may require some mechanical knowledge or professional assistance, adding to the overall cost and time investment.

The GM 12668738 crankcase ventilation PCV valve is a critical component for maintaining the optimal performance and emissions compliance of your vehicle. While the cost and availability may be considerations, the benefits of using an OEM part, including improved engine performance and longer engine life, often outweigh the potential disadvantages. If you value the peace of mind that comes with using an original GM part and are comfortable with the installation process, this valve is a solid investment. If you're looking for a more budget-friendly alternative, aftermarket parts may be worth considering, but be aware that they may not offer the same level of reliability and fitment as an OEM part.

Details:

Genuine GM Positive Crankcase Ventilation PCV Valve 12668738:: Equinox, Terrain. Helps remove moisture and sludge build up in engine oil. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer.

part #: 12668738 prices

• $12.40-$18.91

specifications airfueldepo:

• for years: 2018-2022
• brand: Gm Genuine Parts
• mpn: 12668738
• part type: Valve
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Chevrolet
• year: 2018 2019 2020 2021 2022
• parts included: Only Part Reference 0 On The Diagram Is Included

shipping airfueldepo:

• cost: $9.00
• service: Standard, Expedited, Overnight
• transit: 3-9 Days
• class: Standard, Expedited, One-day
• type: Fixed

payments airfueldepo:

• other
• wallet: Paypal
• credit card: Mastercard

returns airfueldepo:

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

seller airfueldepo:

• # reviews: 1474
• rating: 99.1%
• city: Wake Forest, North Carolina

general airfueldepo:

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

offer airfueldepo:

• quantity: 2
• sold: 0
• availability: In Stock
• started: March 4, 2026
• options: Ship-to-home

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