GM GENUINE PARTS 12687608 Crankcase Ventilation Tube

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 12687608 ), ( Part Type: Tube ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Replaces Part Number: 12680635 )

Review GM GENUINE PARTS Positive Crankcase Ventilation Tube

The GM 12687608 crankcase ventilation tube is an essential component of the crankcase ventilation system in various GM vehicles. This tube facilitates the continuous flow of gases, primarily carbon monoxide and other harmful vapors, from the crankcase to the intake manifold or the engine's evaporative emission control system.

This tube is manufactured using high-quality materials, ensuring durability and resistance to corrosion and deterioration over time. It is designed to be a direct replacement for the original equipment manufacturer (OEM) part, ensuring a perfect fit and seamless integration with your vehicle's existing system.

The GM 12687608 crankcase ventilation tube measures approximately 12 inches in length, with an inner diameter of 1.1 inches and an outer diameter of 1.5 inches. Its tapered design helps facilitate the smooth flow of gases through the tube, while the rugged construction ensures that it can withstand the high operating temperatures and pressures within the engine compartment.

This tube features a reinforced, ribbed design that adds strength and durability to the part, preventing it from collapsing or cracking under pressure. Additionally, it is equipped with a secure-fit clamp that ensures a tight seal, preventing leaks and minimizing the risk of harmful gases escaping into the environment.

Installing the GM 12687608 crankcase ventilation tube is a straightforward process, requiring only basic hand tools and minimal mechanical knowledge. The tube comes complete with all necessary hardware, including the clamp and mounting brackets, making it a true plug-and-play solution for your vehicle.

By replacing a worn or damaged crankcase ventilation tube with this high-quality GM part, you not only ensure the continued proper functioning of your vehicle's crankcase ventilation system but also help maintain optimal engine performance and emissions compliance.

1. Improved Engine Performance: A faulty crankcase ventilation tube can lead to poor engine performance, including rough idling, hesitation, and even stalling. Replacing the tube with a new one can help restore optimal engine performance.

2. Prevention of Damage: A damaged crankcase ventilation tube can cause engine damage due to the build-up of crankcase gases in the intake system. Replacing the tube can prevent potential engine damage.

3. Longer Engine Life: Regularly replacing worn-out crankcase ventilation tubes can contribute to a longer engine life by preventing damage and ensuring proper engine function.

1. Cost: The cost of replacing a crankcase ventilation tube can vary, but it is generally an affordable repair. However, some individuals may find the cost to be a drawback if they are operating on a tight budget.

2. Time and Effort: Installing a new crankcase ventilation tube may require some time and effort, depending on the individual's mechanical skills and access to the necessary tools.

3. Potential for Additional Repairs: In some cases, a faulty crankcase ventilation tube may be a symptom of a larger issue within the engine. Replacing the tube may reveal the need for additional repairs, which could add to the overall cost and time investment.

Replacing a faulty GM 12687608 crankcase ventilation tube can help restore optimal engine performance, prevent damage, and contribute to a longer engine life. While the cost and time investment may be a drawback for some, the benefits often outweigh the drawbacks. It is essential to address any issues with the crankcase ventilation tube promptly to avoid potential engine damage.

If you suspect a problem with your crankcase ventilation tube, it's recommended to have it inspected by a qualified mechanic. They can diagnose the issue accurately and recommend the best course of action, whether it's repairing or replacing the tube. If the tube needs to be replaced, consider purchasing an OEM (Original Equipment Manufacturer) part, such as the GM 12687608, to ensure proper fit and function.

Details:

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

part #: 12687608 prices

• $30.23-$50.75

specifications airfueldepo:

• brand: Gm Genuine Parts
• mpn: 12687608
• part type: Tube
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• replaces part number: 12680635

returns airfueldepo:

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

seller airfueldepo:

• # reviews: 32
• rating: 100.0%
• city: Heber Springs, Arkansas

general airfueldepo:

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

offer airfueldepo:

• sold: 0
• started: January 8, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

payments airfueldepo:

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

shipping airfueldepo:

• type: Fixed
• class: Standard
• service: Standard
• transit: 4-9 Days
• cost: $21.75

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