---
product_id: 536155258
title: "4.2L Secondary Air Injection Check Valve for Buick Rainier 2006, Chevrolet Trailblazer 2006-2009, GMC Envoy 2006"
brand: "newyall"
price: "€ 127.59"
currency: EUR
in_stock: true
reviews_count: 8
category: "New Yall"
url: https://www.desertcart.it/products/536155258-4-2l-secondary-air-injection-check-valve-for-buick-rainier
store_origin: IT
region: Italy
---

# Durable steel/aluminum construction Perfect fit for 4.2L L6 petrol engines Precision 1/2 inch NPT thread size 4.2L Secondary Air Injection Check Valve for Buick Rainier 2006, Chevrolet Trailblazer 2006-2009, GMC Envoy 2006

**Brand:** newyall
**Price:** € 127.59
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your ride’s breathability with precision-engineered airflow control!

## Quick Answers

- **What is this?** 4.2L Secondary Air Injection Check Valve for Buick Rainier 2006, Chevrolet Trailblazer 2006-2009, GMC Envoy 2006 by newyall
- **How much does it cost?** € 127.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/536155258-4-2l-secondary-air-injection-check-valve-for-buick-rainier)

## Best For

- newyall enthusiasts

## Why This Product

- Trusted newyall brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Fitment:** Flare inlet/outlet connectors with SAE threads for secure installation
- • **Trusted Performance:** Highly rated with 4.2/5 stars and top 25 rank in emission air check valves
- • **Robust Build Quality:** Crafted from premium steel or aluminum for long-lasting durability
- • **Optimized Airflow Control:** Lift check valve design ensures efficient secondary air injection
- • **Plug & Play Compatibility:** Seamlessly fits Buick, Chevy, GMC & Saab 4.2L engines without programming

## Overview

The NewYall 4.2L Secondary Air Injection Check Valve is a durable, precision-engineered lift check valve designed exclusively for 4.2L L6 petrol engines in Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x models (2006-2009). Featuring steel or aluminum construction, 1/2 inch NPT SAE threaded flare connectors, and plug-and-play installation, it ensures optimal secondary air injection performance and reliable emission control.

## Description

For Buick Rainier 2006-2007For Chevrolet Trailblazer 2006-2009, Trailblazer EXT 2006For GMC Envoy 2006-2009, Envoy XL 2006For Saab 9-7x 2006-2009For L6 4.2L Petrol engine ONLY.

Review: The product worked good - This product has worked as it should. I did not have to program it or anything plug-in play.
Review: Awesome - Fit as expected

## Features

- For Buick Rainier 2006-2007
- For Chevrolet Trailblazer 2006-2009, Trailblazer EXT 2006
- For GMC Envoy 2006-2009, Envoy XL 2006
- For Saab 9-7x 2006-2009
- For L6 4.2L Petrol engine ONLY.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BXW8JDZ7 |
| Best Sellers Rank | #320,235 in Automotive ( See Top 100 in Automotive ) #25 in Automotive Replacement Emission Air Check Valves |
| Brand Name | NewYall |
| Connector Type | Flare |
| Customer Reviews | 4.2 4.2 out of 5 stars (38) |
| Exterior Finish | Steel or Aluminum |
| Inlet Connection Type | Flare |
| Item Type Name | kit |
| Manufacturer | NewYall |
| Material Type | steel" or "aluminum |
| Model Number | 12619ll0 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | Flare |
| Size | 1/2 inch NPT |
| Thread Size | 1/2 inch NPT |
| Thread Type | SAE |
| Unit Count | 1.0 Count |
| Valve Type | Lift Check Valve |

## Product Details

- **Brand:** NewYall
- **Exterior Finish:** Steel or Aluminum
- **Inlet Connection Type:** Flare
- **Manufacturer:** NewYall
- **Material:** steel" or "aluminum
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.5 Inches
- **Outlet Connection Type:** Flare

## Images

![4.2L Secondary Air Injection Check Valve for Buick Rainier 2006, Chevrolet Trailblazer 2006-2009, GMC Envoy 2006 - Image 1](https://m.media-amazon.com/images/I/61wnv7MA6qL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The product worked good
*by C***S on November 28, 2025*

This product has worked as it should. I did not have to program it or anything plug-in play.

### ⭐⭐⭐⭐⭐ Awesome
*by E***K on October 20, 2025*

Fit as expected

### ⭐⭐⭐⭐ Good product
*by D***S on February 26, 2026*

No problem winning great

## Frequently Bought Together

- NewYall 4.2L Secondary Air Injection Check Valve for Buick Rainier 2006-2007, Chevrolet Trailblazer 2006-2009, Trailblazer EXT 2006, GMC Envoy 2006-2009, Envoy XL 2006, Saab 9-7x 2006-2009
- MAYASAF 911-648 Vapor Canister Vent Solenoid Valve fits for Buick Rainier 2004-07, for Chevy S10/SSR/Impala/Trailblazer EXT/Astro/Blazer, for GMC Jimmy/Sonoma/Safari, Olds Bravada, Isuzu Ascender

---

## 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.it/products/536155258-4-2l-secondary-air-injection-check-valve-for-buick-rainier](https://www.desertcart.it/products/536155258-4-2l-secondary-air-injection-check-valve-for-buick-rainier)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-08*