--- product_id: 541985360 title: "GM Genuine Parts 12642631 Positive Crankcase Ventilation (PCV) Tube" brand: "gm genuine parts" price: "$59.28" currency: USD in_stock: true reviews_count: 8 category: "Gm Genuine Parts" url: https://www.desertcart.us/products/541985360-gm-genuine-parts-12642631-positive-crankcase-ventilation-pcv-tube store_origin: US region: United States of America --- # Quick, tool-free install OE-engineered precision fit Durable metal build with dust guards GM Genuine Parts 12642631 Positive Crankcase Ventilation (PCV) Tube **Brand:** gm genuine parts **Price:** $59.28 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride with the OEM part that powers precision and peace of mind! ## Quick Answers - **What is this?** GM Genuine Parts 12642631 Positive Crankcase Ventilation (PCV) Tube by gm genuine parts - **How much does it cost?** $59.28 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/541985360-gm-genuine-parts-12642631-positive-crankcase-ventilation-pcv-tube) ## Best For - gm genuine parts enthusiasts ## Why This Product - Trusted gm genuine parts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged Durability:** Metal construction with protective ribs keeps contaminants out and ensures longevity. - • **Backed by Confidence:** Comes with a 24-month unlimited mile warranty—drive worry-free. - • **Effortless Installation:** Snaps in place in minutes with just a flathead screwdriver—no mechanic needed. - • **Seamless Engine Smoothness:** Restores smooth idling and responsive acceleration, eliminating rough chugs and hesitation. - • **Factory-Validated Performance:** GM engineers design and rigorously test for your exact GM vehicle model. ## Overview 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. ## Description GM Genuine Parts PCV Valve Tubing is designed, engineered, and tested to rigorous standards, and is backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). Review: 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. Review: As described - As described for 2015 malibu ## Features - Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) - GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors - GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle - GM regularly updates production and service part designs to integrate new materials and technologies ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | ## Product Details - **Brand:** GM GENUINE PARTS - **Color:** Black - **Item Weight:** 1.44 ounces - **Manufacturer:** GM Genuine Parts - **Material:** Metal - **Nominal Wall Thickness:** 0.0375 inches - **Outside Diameter:** 0.38 Inches - **UPC:** 808709967422 ## Images ![GM Genuine Parts 12642631 Positive Crankcase Ventilation (PCV) Tube - Image 1](https://m.media-amazon.com/images/I/51Mp-aMWepL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Solid OEM Fit & Easy Install *by J***H on July 22, 2025* 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. ### ⭐⭐⭐⭐⭐ As described *by A***R on July 15, 2026* As described for 2015 malibu ### ⭐⭐⭐⭐⭐ Perfect fit *by T***A on August 24, 2025* Perfect fit ## Frequently Bought Together - GM Parts 12642631 Positive Crankcase Ventilation (PCV) Tube - ACDelco GM Original Equipment 12655399 Positive Crankcase Ventilation (PCV) Valve - ACDelco GM Original Equipment 12655400 Positive Crankcase Ventilation (PCV) Valve --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/541985360-gm-genuine-parts-12642631-positive-crankcase-ventilation-pcv-tube](https://www.desertcart.us/products/541985360-gm-genuine-parts-12642631-positive-crankcase-ventilation-pcv-tube) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-13*