2008 Hummer H3 Emissions Hardware
Keep Your 2008 Hummer H3 in Top Shape with Quality Emissions Hardware
Whether you’re repairing or upgrading your Emissions Hardware, using high-quality parts is key to keeping your 2008 Hummer H3 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Diverter Valve Gaskets and Diverter Valve Connectors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2008 Hummer H3 Emissions Hardware at Advance Auto Parts is around $13.99, with a range that starts at $5.99 and goes up to $21.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Multi-Use Connector and Diverter Valve Gasket start at just $5.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Emissions Hardware, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2008 Hummer H3 in peak condition, inside and out.
Find Your Specific 2008 Hummer H3 Emissions Hardwares
Looking for the perfect Emissions Hardware for your 2008 Hummer H3? You’re in the right place. Below, you’ll find links to various types of Emissions Hardware that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Emissions Hardwares, ensuring durability and a precise fit for your Hummer H3. Whether you’re driving a 2008 model or another popular model year like
2006,
2007,
2009, and
2010, we’ve got you covered. Purchasing Emissions Hardwares from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Emissions Hardwares that fit your vehicle.
Essential 2008 Hummer H3 Emissions Hardware
Carquest Premium – Diverter Valve Gasket (Part No.EVA1081)
from
$5.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engines exhaust system to reduce harmful emissions typically during cold engine warm-up. The diverter valve is a gate that allows oxygen into the exhaust but prevents exhaust from backing up into the air pump system.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Carquest Premium – Multi-Use Connector (Part No.PTA1268)
from
$21.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Popular 2008 Hummer H3 Emissions Hardware Categories
Most Popular Diverter Valve Gasket for 2008 Hummer H3s
Enhance your 2008 Hummer H3 with this popular Diverter Valve Gasket we have in stock, for $5.99.
Carquest Premium – Diverter Valve Gasket (Part No.EVA1081)
from
$5.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engines exhaust system to reduce harmful emissions typically during cold engine warm-up. The diverter valve is a gate that allows oxygen into the exhaust but prevents exhaust from backing up into the air pump system.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Best-Selling 2008 Hummer H3 Diverter Valve Connector
Upgrade your H3 with our best-selling Diverter Valve Connector.
Carquest Premium – Multi-Use Connector (Part No.PTA1268)
from
$21.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
Product Features:
See More
Product Features:
- Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
- Product constructed to meet all design and operating characteristics as intended by the manufacturer.
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
FAQs for 2008 Hummer H3 Emissions Hardwares
What are the best-selling Emissions Hardwares for 2008 Hummer H3s?
Out of 2 Emissions Hardwares that fit 2008 Hummer H3s, the following parts are the top sellers:
- Multi-Use Connector (12447013) – $21.99
- Diverter Valve Gasket (12510485) – $5.99
What’s the price range for 2008 Hummer H3 Emissions Hardware?
The prices of Emissions Hardware for the 2008 Hummer H3 range from $5.99 up to $21.99 for the most premium parts.
What is the average price of an Emissions Hardware for a 2008 Hummer H3?
The average price for Emissions Hardwares for the 2008 Hummer H3 is $13.99. Keep in mind the variety of part types within our Emissions Hardware category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Emissions Hardware for other Hummer H3 model years?
What are the cheapest Emissions Hardware for my 2008 Hummer H3?
The cheapest 2008 Hummer H3 Emissions Hardware we carry are:
- Diverter Valve Gasket (12510485) – $5.99
- Multi-Use Connector (12447013) – $21.99
What types of Emissions Hardware do you sell for my 2008 Hummer H3?
As of 11/2/25, these are some of the most in-demand types of Emissions Hardware for a 2008 Hummer H3:
Can I get help with 2008 Hummer H3 Emissions Hardware orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Hummer Emissions Hardware and more.
What is your return policy for Hummer H3 Emissions Hardware?
Advance Auto Parts keeps returns simple. For new Hummer H3 Emissions Hardware and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.