---
product_id: 805780642
title: "1ST 911-150 Secondary Air Injection Check Valve for Chevy Trailblazer for Buick Rainier for GMC Envoy Saab 9-7x, 2006-2009 4.2L Gas Engine, Replaces OE 12619110"
brand: "1st auto parts"
price: "₨13413"
currency: SCR
in_stock: true
reviews_count: 3
category: "1 St Auto Parts"
url: https://www.desertcart.sc/products/805780642-1st-911-150-secondary-air-injection-check-valve-for-chevy
store_origin: SC
region: Seychelles
---

# Prevents exhaust backflow Direct OE fit for 4.2L engines Durable aluminum alloy build 1ST 911-150 Secondary Air Injection Check Valve for Chevy Trailblazer for Buick Rainier for GMC Envoy Saab 9-7x, 2006-2009 4.2L Gas Engine, Replaces OE 12619110

**Brand:** 1st auto parts
**Price:** ₨13413
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your ride’s breathability — keep your engine fresh and fierce!

## Quick Answers

- **What is this?** 1ST 911-150 Secondary Air Injection Check Valve for Chevy Trailblazer for Buick Rainier for GMC Envoy Saab 9-7x, 2006-2009 4.2L Gas Engine, Replaces OE 12619110 by 1st auto parts
- **How much does it cost?** ₨13413 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/805780642-1st-911-150-secondary-air-injection-check-valve-for-chevy)

## Best For

- 1st auto parts enthusiasts

## Why This Product

- Trusted 1st auto parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Direct-fit design means no modifications—get your ride back on the road faster
- • **Engineered for Longevity:** Crafted from premium aluminum alloy to withstand harsh engine conditions and extend part life
- • **Emission Control Champion:** Stops harmful exhaust backflow, protecting your air pump and optimizing emissions performance
- • **Precision OE Compatibility:** Seamlessly replaces OEM 12619110 for Chevy, Buick, GMC & Saab 4.2L engines (2006-2009)
- • **Trusted Reliability with Warranty:** Backed by a 1-year warranty and stellar customer support for peace of mind

## Overview

The 1ST 911-150 Secondary Air Injection Check Valve is a direct OE replacement designed for 2006-2009 4.2L gas engines in Chevy Trailblazer, Buick Rainier, GMC Envoy, and Saab 9-7x models. Made from durable aluminum alloy, it prevents exhaust gases from flowing back into the air injection system, protecting engine components and enhancing emissions control. Easy to install with a one-year warranty, this valve ensures reliable, long-lasting performance and improved engine efficiency.

## Description

1ST 911-150 Secondary Air Injection Check Valve is designed for Chevy Trailblazer, for Buick Rainier, for GMC Envoy, and for Saab 9-7x (2006-2009) 4.2L gas engines. It replaces OE part 12619110, preventing exhaust backflow and improving emissions control for optimal engine performance. Made from durable materials, it ensures long-lasting reliability and easy installation.OEM Number: 911-150, 12619110, 911150Compatible with Chevrolet Models:2006-2009 Trailblazer L6 4.2L Petrol Sport Utility2006-2009 Trailblazer L6 4.2L Petrol Sport UtilityCompatible with GMC Models:2006-2009 Envoy L6 4.2L Petrol Sport Utility2006-2006 Envoy XL L6 4.2L Petrol Sport UtilityCompatible with Buick Models:2006-2007 Rainier L6 4.2L Petrol Sport UtilityCompatible with Saab Models:2006-2009 9-7x L6 4.2L Petrol Sport UtilitySpecification:Terminal Quantity: 5 PinsMain Meterial: Aluminum AlloyQuantity: One PieceColor: SilverUsage: Repacament for OEM PartsPackage Includes:1 x Secondary Air Injection Check Valve1 x Gasket1st Auto Parts: Securely Packaged for Safe TransitFunctions:✔Prevents Exhaust Backflow✔Regulates Airflow✔Enhances Emissions Control:✔Improves Engine Efficiency✔Prevents Damage

Review: Installed this pump and it worked perfectly for about two months. Wasn’t sure of the warranty period so I contacted desertcart who assisted me in contacting the seller. They answered quickly and took care of my problem by sending me a new pump free of charge. You can’t beat service like this and it’s clear they care about their customers,
Review: Product is as described. Price is better than an auto store. Replaced via code on a 2007 Trail Blazer. Light came back on with the same code, but runs better. Can't really blame the product if there is something else connected to it causing it to throw the same code.

## Features

- Direct Fit: This Secondary Air Injection Check Valve is designed for Chevy Trailblazer, for Buick Rainier, for GMC Envoy, and for Saab 9-7x (2006-2009) 4.2L gas engines
- OEM Part Number: Replacing OE part 911-150, 12619110. Please select according to your vehicle's OEM number to ensure compatibility
- Prevents Backflow: Stops exhaust gases from flowing back into the air injection system, protecting the air pump and other components
- Durable Construction: Made from high-quality materials to ensure reliable, long-lasting performance in harsh engine environments
- Easy Installation: Engineered for a simple, direct replacement with an OE fit, ensuring a straightforward installation. One year warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DLFJ1CFG |
| Assembly Required | No |
| Brand | 1ST AUTO PARTS |
| Customer Reviews | 4.0 4.0 out of 5 stars (8) |
| Date First Available | 20 February 2025 |
| Exterior | Machined |
| Item Weight | 1 kg 40 g |
| Item model number | 12619110 |
| Manufacturer | 1ST AUTO PARTS |
| Manufacturer Part Number | APCV-003 |
| Material | Aluminum |
| Model | Air Injection Check Valve |
| OEM Part Number | 12619110/ 12583486/ 2141683/ E259, 1A3062/ 2142151/ 911150 |
| Package Dimensions | 23.3 x 16.7 x 15.7 cm; 1.04 kg |
| Position | Inside |

## Images

![1ST 911-150 Secondary Air Injection Check Valve for Chevy Trailblazer for Buick Rainier for GMC Envoy Saab 9-7x, 2006-2009 4.2L Gas Engine, Replaces OE 12619110 - Image 1](https://m.media-amazon.com/images/I/614OgEGP5CL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***M on 19 November 2025*

Installed this pump and it worked perfectly for about two months. Wasn’t sure of the warranty period so I contacted Amazon who assisted me in contacting the seller. They answered quickly and took care of my problem by sending me a new pump free of charge. You can’t beat service like this and it’s clear they care about their customers,

### ⭐⭐⭐⭐ Review
*by K***S on 7 February 2026*

Product is as described. Price is better than an auto store. Replaced via code on a 2007 Trail Blazer. Light came back on with the same code, but runs better. Can't really blame the product if there is something else connected to it causing it to throw the same code.

### ⭐ Review
*by F***O on 30 October 2025*

The product is defective. I need to return it and buy another one. 😩:-(

## Frequently Bought Together

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-10*