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⚡ Upgrade your ride with the OEM part that powers precision and peace of mind!
The GM Genuine Parts 12642631 PCV Tube is a metal, OE-engineered replacement part designed specifically for Chevrolet, Buick, GMC, and Cadillac vehicles. It ensures a perfect factory fit, easy installation without special tools, and restores engine smoothness by maintaining proper crankcase ventilation. Backed by GM’s rigorous testing and a 24-month unlimited mile warranty, this part delivers reliable performance and durability for your vehicle’s engine health.
| ASIN | B085S74VXX |
| Best Sellers Rank | #171,014 in Automotive ( See Top 100 in Automotive ) #233 in Automotive Replacement PCV Valves |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Color | Black |
| Customer Reviews | 4.9 out of 5 stars 61 Reviews |
| Included Components | PCV Valve Tubing |
| Item Type Name | PCV Valve Tubing |
| Item Weight | 1.44 ounces |
| Manufacturer | GM Genuine Parts |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details. |
| Material | Metal |
| Material Type | Metal |
| Nominal Wall Thickness | 0.0375 inches |
| Outside Diameter | 0.38 inches |
| UPC | 808709967422 |
| Unit Count | 1 Count |
J**H
Solid OEM Fit & Easy Install
When my ’13 Chevy Malibu started idling rough and felt sluggish under light load, I figured it was time to swap the PCV valve. I opted for the genuine GM Parts 12642631 Positive Crankcase Ventilation valve, and I’m glad I did—it was a straightforward upgrade that brought my engine back to life. Installing it took just a few minutes: I popped the hood, pulled the old valve out of its grommet, and pressed the new one in—nice and snug, just like the factory part. No wiggling or force needed, and it sealed right away. I didn’t even need special tools; a flathead to pop the hose clip was all it took. Close to 200 miles later, I’ve noticed smoother idling, steadier vacuum readings, and peppy response when I ease on the gas. No hesitation, no rough chugs—just a calm, idle hum like a car that’s well-maintained. The valve itself feels rugged—sturdy plastic with those little guard ribs on top that keep dust and grit out. Comes labeled with the GM part number, so there’s no second-guessing whether it’s the right piece. It’s a small part with a big payoff. If you’re experiencing rough idle, check engine light, or just powering through regular maintenance, this OEM-grade PCV valve slides in and does exactly what it should without complications. Easy install, perfect fit, and noticeable smoothness—this one’s a solid win.
A**R
As described
As described for 2015 malibu
T**A
Perfect fit
Perfect fit
E**.
Malibu2014 LT
Genuino y perfecto para mi carrro
C**3
Oem
Exact fit my wife's car no problems, but be sure to put the bottom fittings on first then the top center or you will break it Great value for the money easy to install
J**H
Perfect fit oem
Perfect fit for 2013 Chevy Malibu . Oem part.
S**T
Good quality
This was exactly what it said it was. The part fit on the car without any problems at all.
M**H
Genuine AC Delco
No more vacuum leaks ( cured P0300 random misfire code) This part can be easily damaged when removing the plenum. It should be rigid with NO movement or spin of the " arms from the center "...if it is..it needs to be replaced to prevent vacuum leaks Also install both "ends" at the ( 2 PCV valve on the top of engine) same time until you hear the click..precise fit so don't try to install one side & then the other as lack of "slack" will prevent this and may cause damage, so don't force it . Then finally slide the center on the plenum tube until clicks. Done.
Trustpilot
2 days ago
4 days ago