---
product_id: 154695266
title: "12594578 Positive Crankcase Ventilation (PCV) Tube"
brand: "gm genuine parts"
price: "€ 21.46"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/154695266-12594578-positive-crankcase-ventilation-pcv-tube
store_origin: GR
region: Greece
---

# Compact 7.6-inch design Easy install with GM warranty OEM precision fit 12594578 Positive Crankcase Ventilation (PCV) Tube

**Brand:** gm genuine parts
**Price:** € 21.46
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your ride with GM’s precision-crafted PCV tube — because your engine deserves the best!

## Quick Answers

- **What is this?** 12594578 Positive Crankcase Ventilation (PCV) Tube by gm genuine parts
- **How much does it cost?** € 21.46 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/154695266-12594578-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

- • **Trusted GM Warranty:** Backed by GM’s warranty, giving you peace of mind with every mile.
- • **Durable Machined Finish:** Crafted with a machined exterior for enhanced durability and long-lasting performance.
- • **Engineered for Perfection:** Designed and tested specifically for GM vehicles to ensure flawless compatibility.
- • **Precision Fit, Zero Hassle:** Exact OEM dimensions guarantee a seamless, no-fuss installation experience.
- • **Dealer-Recommended Installation:** Professional installation support available at your nearest GM dealer or certified service center.

## Overview

The GM Genuine Parts 12594578 PCV Tube is an OEM-certified, precision-engineered component designed exclusively for GM vehicles. Measuring 7.6 x 4 x 1.1 inches with a durable machined finish, it features dual 0.32-inch barb connections for optimal crankcase ventilation. Lightweight and backed by GM warranty, it ensures reliable performance and easy installation through authorized dealers and service centers.

## Description



## Features

- Designed, engineered, tested, and warranted for GM vehicles
- Precise fit for ease of installation
- For proper installation, locate your nearest GM dealer, independent service center, or body shop

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | pcv |
| Brand | GM GENUINE PARTS |
| Item dimensions L x W x H | 7.6 x 4 x 1.1 inches |
| Exterior Finish | Machined |
| Inlet Connection Size | 0.32 Inches |
| Inlet Connection Type | Barb |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| Outlet Connection Size | 0.32 Inches |
| Specification Met | OEM (GM) |
| Global Trade Identification Number | 00808709948735 |
| Manufacturer | ACDelco |
| UPC | 808709948735 |
| Model | GM Original Equipment |
| Item Weight | 0.01 ounces |
| Product Dimensions | 7.6 x 4 x 1.1 inches |
| Item model number | 12594578 |
| Manufacturer Part Number | 12594578 |

## Product Details

- **Material:** pcv
- **Brand:** GM GENUINE PARTS
- **Item dimensions L x W x H:** 7.6 x 4 x 1.1 inches
- **Exterior Finish:** Machined
- **Inlet Connection Size:** 0.32 Inches
- **Inlet Connection Type:** Barb
- **Outlet Connection Type:** Barb
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.32 Inches
- **Specification Met:** OEM (GM)

## Images

![12594578 Positive Crankcase Ventilation (PCV) Tube - Image 1](https://m.media-amazon.com/images/I/5112fwt8bAL.jpg)

## Questions & Answers

**Q: What does this part actually do? the one in my 2008 gmc acadia appears to be duct tape fixed and i’m wondering how important it is**
A: It's very important

**Q: is oil supposed to go through this tube? my 2007 acadia has oil in this tube**
A: Yes it’s part of the pcv system google it. Just relieves pressure from the crank case. Blow it out with an air hose or clean it with soap and water if not damaged and just blow thru it. I cleaned this hose and the intake breather and throttle body every 20k or so and never had any gasket issues with our Acadia

**Q: is oil supposed to go through this tube? my 2007 acadia has oil in this tube**
A: No but it's a design problem with the Acadia and outlooks

**Q: Is this just the tube or are the end pieces attached as shown?**
A: Yes it is all parts shown

## Frequently Bought Together

- ACDelco GM Genuine Parts 12594578 Positive Crankcase Ventilation (PCV) Tube, Black
- ACDelco GM Genuine Parts 12583384 Passenger Side Positive Crankcase Ventilation (PCV) Fitting
- V546 PCV Valve for Chevy Chevrolet Camaro Equinox Malibu Impala Traverse Cadillac Buick Enclave Saturn Pontiac G6 G8 Torrent GMC Acadia Terrain PCV Valve 2.4 2.5 3.0 3.6 6.2 7.0L 12578316 12681693

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**Shop now:** [https://www.desertcart.gr/products/154695266-12594578-positive-crankcase-ventilation-pcv-tube](https://www.desertcart.gr/products/154695266-12594578-positive-crankcase-ventilation-pcv-tube)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-23*