--- product_id: 444230830 title: "Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655" brand: "auto parts prodigy" price: "$197.31" currency: USD in_stock: true reviews_count: 5 category: "Auto Parts Prodigy" url: https://www.desertcart.us/products/444230830-air-injection-check-valve-for-olds-chevy-chevrolet-trailblazer-gmc store_origin: US region: United States of America --- # Plug & play fit for 2004-2005 GM models Withstands extreme exhaust heat Durable metal build Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 **Brand:** auto parts prodigy **Price:** $197.31 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your engine clean and green with precision fit tech! ⚙️ ## Quick Answers - **What is this?** Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 by auto parts prodigy - **How much does it cost?** $197.31 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/444230830-air-injection-check-valve-for-olds-chevy-chevrolet-trailblazer-gmc) ## Best For - auto parts prodigy enthusiasts ## Why This Product - Trusted auto parts prodigy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision OE Replacement:** Seamlessly fits your GM Trailblazer & Envoy for hassle-free installation. - • **Emission Control Champion:** Optimizes air injection to reduce harmful pollutants effectively. - • **Plug & Play Compatibility:** Designed for 2004-2005 Buick, Chevy, GMC, Oldsmobile & Saab models—no modifications needed. - • **Rugged Metal Construction:** Engineered to endure high exhaust temperatures without fail. - • **Cost-Effective Performance:** Premium quality at a fraction of dealership prices—upgrade your ride smartly. ## Overview The Auto Parts Prodigy Air Injection Check Valve is a direct OE replacement designed for 2004-2005 GM and select Saab models. Built from durable metal, it withstands extreme exhaust manifold temperatures while ensuring optimal emission control by allowing secondary air injection. Its plug-and-play design guarantees easy installation, enhancing your vehicle’s environmental performance and reliability at a competitive price. ## Description Brand New Air Injection Check Valve. It will fit the following makes and models:2004-2005 Buick Rainier 4.2L2004-2005 Chevrolet Trailblazer2004-2005 Chevrolet Trailblazer EXT2004-2005 GMC Envoy2004-2005 GMC Envoy XL2004-2005 GMC Envoy XUV2004-2004 Oldsmobile Bravada2005-2005 Saab 9-7x Review: Great product and price Review: Great buy and way below auto parts store cost ## Features - Direct replacement for a proper fit every time - Durable metal construction helps to withstand extreme temperatures of the exhaust manifold and function properly every time. - Easy Plug and Play Design Compatible With 2004-2005 Buick Rainier , 2004-2005 Chevrolet Trailblazer, 2004-2005 Chevrolet Trailblazer EXT, 2004-2005 GMC Envoy, 2004-2005 GMC Envoy XL, 2004-2005 GMC Envoy XUV, 2004-2004 Bravada, 2005-2005 Saab 9-7x 4.2L Only - The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants before they reach the atmosphere - Replaces Original Equipment (OE) number: 12575655, 214-1092; 214-2222; 911003; DV131; E258; EC1335; 12575655; 12619128 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07643D4LP | | Brand | Auto Parts Prodigy | | Brand Name | Auto Parts Prodigy | | Customer Reviews | 4.3 out of 5 stars 140 Reviews | | Exterior Finish | Metal | | Included Components | Secondary Air Injection Check Valve | | Inlet Connection Size | 1-1/2 Inches | | Inlet Connection Type | Exhaust Manifold Connector | | Manufacturer | Auto Parts Prodigy | | Material | Metal | | Material Type | Metal | | Model Number | 12575655 | | Outlet Connection Type | Pipe or tube | | Size | 1-1/2 inches | | Unit Count | 1.0 Count | | Valve Type | Lift Check Valve | ## Product Details - **Brand:** Auto Parts Prodigy - **Exterior Finish:** Metal - **Inlet Connection Size:** 1-1/2 Inches - **Inlet Connection Type:** Exhaust Manifold Connector - **Manufacturer:** Auto Parts Prodigy - **Material:** Metal - **Outlet Connection Type:** Pipe or tube ## Images ![Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Image 1](https://m.media-amazon.com/images/I/81rWH6SIIpL.jpg) ![Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Image 2](https://m.media-amazon.com/images/I/816LcezG5SL.jpg) ![Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Image 3](https://m.media-amazon.com/images/I/61JXCui156L.jpg) ![Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Image 4](https://m.media-amazon.com/images/I/61shqpRQPaL.jpg) ![Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Image 5](https://m.media-amazon.com/images/I/81yxj1qpKWL.jpg) ## Questions & Answers **Q: Does it comes with the gasket???** A: IT comes with the one seen in the picture **Q: This will fit an 2002 trailblazer 4.2l 6L** A: I have a 2004 GMC Envoy that has the same engine so I would say yes...good luck **Q: Does it it for a 4.2 motor on a chevy trailblazer 2005 LS?** A: Yes I have a 2005 LT and this part fit **Q: How long is the warranty?** A: 1 Year ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product and price *by F***Y on 10 September 2024* ### ⭐⭐⭐⭐⭐ Great buy and way below auto parts store cost *by J***B on 13 May 2020* ### ⭐⭐⭐⭐⭐ Fixed my car in 15 min *by A***R on 20 October 2019* ## Frequently Bought Together - Air Injection Check Valve Compatible With Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655 - Bapmic 12574379 Secondary Air Injection Pump Smog Pump Compatible with 04-09 Chevy GMC Buick Rainier - GM Genuine Parts 212-559 Multi-Purpose Relay --- ## 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/444230830-air-injection-check-valve-for-olds-chevy-chevrolet-trailblazer-gmc](https://www.desertcart.us/products/444230830-air-injection-check-valve-for-olds-chevy-chevrolet-trailblazer-gmc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*