--- product_id: 541985360 title: "12642631 Positive Crankcase Ventilation (PCV) Tube" brand: "gm genuine parts" price: "€ 85.38" currency: EUR in_stock: true reviews_count: 8 category: "Gm Genuine Parts" url: https://www.desertcart.gr/products/541985360-12642631-positive-crankcase-ventilation-pcv-tube store_origin: GR region: Greece --- # 24-month unlimited mile warranty OE-engineered precision fit Easy install, no special tools 12642631 Positive Crankcase Ventilation (PCV) Tube **Brand:** gm genuine parts **Price:** € 85.38 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your ride with GM’s precision-engineered PCV tube—because your engine deserves the best. ## Quick Answers - **What is this?** 12642631 Positive Crankcase Ventilation (PCV) Tube by gm genuine parts - **How much does it cost?** € 85.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/541985360-12642631-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 - • **Backed by GM Confidence:** Comes with a 24-month unlimited mile warranty—because genuine parts mean genuine peace of mind. - • **Engineered for Longevity:** Durable metal construction with dust-guard ribs ensures reliable performance under all conditions. - • **Factory-Grade Fit & Finish:** Designed and validated by GM engineers for a seamless OEM replacement experience. - • **Plug-and-Play Installation:** Swap your PCV tube in minutes with no special tools—get back on the road faster. - • **Boost Your Engine’s Smoothness:** Eliminate rough idling and hesitation for a noticeably peppier, more responsive drive. ## Overview The GM Genuine Parts 12642631 Positive Crankcase Ventilation (PCV) Tube is a rigorously tested, OE-quality replacement part designed specifically for Chevrolet, Buick, GMC, and Cadillac vehicles. Crafted from durable metal with a nominal wall thickness of 0.0375 inches and an outside diameter of 0.38 inches, it ensures a perfect factory fit. Easy to install without special tools, this PCV tube improves engine smoothness and responsiveness, backed by a 24-month unlimited mile warranty for lasting reliability. ## 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: Perfect fit - Perfect fit ## 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 | #196,976 in Automotive ( See Top 100 in Automotive ) #341 in Automotive Replacement PCV Valves | | Brand | GM GENUINE PARTS | | Brand Name | GM GENUINE PARTS | | Color | Black | | Customer Reviews | 4.9 out of 5 stars 58 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 | 1.0 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 ![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. ### ⭐⭐⭐⭐⭐ Perfect fit *by T***A on August 24, 2025* Perfect fit ### ⭐⭐⭐⭐⭐ Malibu2014 LT *by E***. on April 10, 2026* Genuino y perfecto para mi carrro ## 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.gr/products/541985360-12642631-positive-crankcase-ventilation-pcv-tube](https://www.desertcart.gr/products/541985360-12642631-positive-crankcase-ventilation-pcv-tube) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-15*