GM GENUINE PARTS PCV Tube Replacement 12597774 — Direct-Fit OEM Crankcase Ventilation, Durable Heat-Resistant

GM Genuine Parts 12597774 is an OEM positive crankcase ventilation (PCV) tube engineered to restore proper crankcase ventilation and maintain factory fit on compatible GM vehicles.

This replacement PCV tube is a direct-fit component manufactured to GM specifications for durability and correct operation. It connects the crankcase ventilation system to intake components, helping route blow-by gases back for combustion. Because it’s produced and warranted by GM Genuine Parts, it’s designed to match the original part’s dimensions, mounting points, and material properties for an easier installation and reliable service life.

What problem does this PCV tube solve?

A failing or cracked PCV tube can allow oil and vapors to leak, trigger check-engine lights, or upset engine idling. Replacing the tube with the GM Genuine Parts 12597774 restores the intended pathway for crankcase gases, reducing leaks and helping maintain engine vacuum balance.

• Replaces brittle, cracked, or warped factory tubing
• Prevents oil seepage and messy engine bays
• Helps avoid diagnostic trouble codes related to crankcase ventilation

How does this GM OEM part make installation easier?

This PCV tube is manufactured to match original dimensions and fastening points, which minimizes trimming or adapter needs during swap-out. Its precise fit reduces installation time and the chance of fitment issues that can arise with generic aftermarket pieces.

• Exact factory-style mounting locations for plug-and-play replacement
• Correct bends and lengths to fit the vehicle’s routing path
• Supplied to the same engineering standards as original equipment

What are the construction and warranty details?

GM Genuine Parts are engineered and tested specifically for GM vehicles, using materials selected to resist heat and oil exposure found in engine compartments. The part is backed by GM’s warranty policy for replacement parts purchased through authorized channels.

• Engineered and tested for GM vehicles
• Built from materials suited to high-temperature engine environments
• Warranted when installed through GM dealers or authorized service centers

Where should I go for installation or fitment verification?

If you’re unsure about compatibility or want professional fitting, GM recommends visiting an authorized GM dealer, independent service center, or certified body shop. Technicians there can verify the exact part match and perform proper installation to manufacturer standards.

• Authorized GM dealers can confirm vehicle application
• Independent garages familiar with GM models can install and test
• Body shops can assist when routing or adjacent components need attention

Who is this for: This OEM PCV tube is intended for GM vehicle owners, professional mechanics, and repair shops seeking a reliable, factory-spec replacement. It’s ideal when you want to maintain original equipment quality and ensure correct fitment without custom modifications.