Best Emission Diverter Valves of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 11, 2026

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Emission Diverter Valves are an essential component in modern vehicle exhaust systems. These valves are designed to redirect exhaust gases back into the engine, where they can be burned more efficiently, reducing harmful emissions and improving fuel economy. By regulating the flow of exhaust gases, Emission Diverter Valves help to ensure that vehicles meet strict emissions standards while also improving engine performance. These valves are available in a range of sizes and designs to fit different types of vehicles, and they are a crucial part of any effective emissions control system.

At a Glance: Our Top Picks

Danze DA603819 Diverter Cover #TOP 1
Danze DA603819 Diverter
ftb score rating icon 9.9
Thetford 94135 Diverter Valve Cover #TOP 2
Thetford 94135 Diverter Valve
ftb score rating icon 9.8
Whale DV5606 Diverter Valve 1.5-In Manual Cover #TOP 3
Whale DV5606 Diverter Valve 1.5-In Manual
ftb score rating icon 9.6

Top 10 Emission Diverter Valves

#TOP 1

Danze DA603819 Diverter

DA603819
Brushed Nickel
2-3/8 inch
Danze DA603819 Diverter Cover
Gerber Plumbing Pressure Balance Valve Diverter

The Danze Diverter Valve is a high-quality emission diverter valve that is perfect for any bathroom. Its solid brass construction ensures durability, while the premier finishing process resists corrosion and tarnishing, maintaining its sleek look for years to come. The single handle operation makes it easy to use, and its ADA compliance means it meets the standards set forth by the Americans with Disabilities Act. This diverter valve is an excellent choice for anyone looking for a reliable and efficient bathroom faucet.

What We Like
Durable solid brass construction
Premier finishing process resists corrosion and tarnishing
Easy to use with single handle operation
#TOP 2

Thetford 94135 Diverter Valve

94135
6 inches
Thetford 94135 Diverter Valve Cover
Thetford 94135 3-way Diverter Valve For Nautalis P

Thetford Diverter Valve is designed to enhance your Nautalis P experience. With package dimensions of 8.0L x 6.5W x 4.0H inches, this valve is compact yet effective, making it easy to store or transport. It comes as a single unit, ensuring you have everything you need for installation. As an emission diverter valve, it plays a critical role in managing airflow, which can improve the efficiency of your system. This means you can enjoy a smoother operation and potentially lower emissions, benefiting both your equipment and the environment.

What We Like
Compact size
Single unit package
Improves efficiency
Reduces emissions
#TOP 3

Whale DV5606 Diverter Valve 1.5-In Manual

DV5606
Blue
One Size
Whale DV5606 Diverter Valve 1.5-In Manual Cover
Whale DV5606 Diverter Valve, Lets Pump Draw from 2 Sources, 1 ½-in. (38mm) Connections, Manual Control Handle

The Whale Diverter Valve lets you easily switch your pump between two different liquid sources, helping you get the most out of your pump. With a simple manual handle, you can choose which source to draw from, giving you control and flexibility. The valve connects with 1 ½-inch fittings, making it compatible with many setups. Plus, its sturdy handle made from PTFE polyester and a body crafted from Acetal and Teflon ensure durability and long-lasting use. This valve is a practical choice to optimize your pumping system while offering reliable manual operation.

What We Like
Dual source selection
Manual control handle
1.5-inch connections
Durable materials
#TOP 4

Rendrox Driver/Left Diverter Valve for Toyota

25702-31014
Left Side
Rendrox Driver/Left Diverter Valve for Toyota Cover
Rendrox 25702-31014 Driver/Left Diverter Valve Emission Control NO.2 Compatible with Toyota Tundra 4Runner FJ Cruiser 2010-2024 Air Switch Valve 4.0L V6, Replace 25702-31013 25702-31010 25702-31012

The Rendrox Diverter Valve is designed to fit Toyota models like the Tundra, 4Runner, and FJ Cruiser from 2010 to 2024. This valve helps control emissions, making sure your vehicle stays environmentally friendly and meets regulations. Made from durable aluminum alloy, it can handle the tough conditions under your hood, including heat and corrosive gases, so you get long-lasting performance. It also replaces several part numbers, giving you a convenient option if your current valve needs replacing. With this valve, you can expect smoother engine operation and better fuel efficiency.

What We Like
Wide Toyota compatibility
Durable aluminum construction
Multiple part number replacements
Improves engine performance
#TOP 5

Standard Motor Products DV130 Diverter Valve

DV130
3.6 inches
Standard Motor Products DV130 Diverter Valve Cover
Standard Motor Products DV130 Diverter Valve

This DV130 Diverter Valve is designed for specific vehicles and is made in Mexico. It has package dimensions of 10.16 L x 7.62 H x 7.62 W (centimeters) and weighs only 0.022 pounds. It belongs to the category of Emission Diverter Valves.

What We Like
Vehicle specific design ensures compatibility and easy installation.
Compact size and lightweight make it easy to handle and transport.
Made in Mexico may provide an affordable option for some buyers.
#TOP 6

AITKEN Turbocharger Vacuum Solenoid for Buick and Chevy

KTBV005
Black
3 cubic inches
AITKEN Turbocharger Vacuum Solenoid for Buick and Chevy Cover
AITKEN Turbocharger Vacuum Solenoid Compatible with Buick Encore 2013-2020, Chevy Cruze Sonic Trax P/N 55559239.

The AITKEN Turbocharger Solenoid helps you get the most from your vehicle by precisely controlling boost pressure for stronger engine power and quicker response. This means you can enjoy a more exciting drive whenever you want. It also manages airflow and pressure efficiently, which helps you save money on fuel by improving your car’s fuel economy. Made with tough materials, this solenoid is built to last and handle high heat and pressure, so you can count on it to work well over time without frequent issues. Overall, it’s a reliable part that boosts your vehicle’s performance and efficiency.

What We Like
Enhanced engine power
Better fuel efficiency
Durable construction
Consistent performance
#TOP 7

GUXPCH DC62-30312J & DC62-30314K Washer Water Valve Set

ZL6ZJSFZJ05L302402
GUXPCH DC62-30312J & DC62-30314K Washer Water Valve Set Cover
DC62-30312J & DC62-30314K Washer Cold & Hot Side Water Valve Set Compitable with Kenmore Samsung Washer Replaces 1810145 DC62-30314H AP4204535

The GUXPCH Washer Valve Set is designed to fit a wide range of Kenmore and Samsung washer models, ensuring you get the right parts without hassle. This set includes both hot and cold water valves that allow you to adjust the water temperature precisely, so your clothes are washed with the ideal temperature every time. Made from durable materials, these valves resist corrosion and high pressure, giving you a longer-lasting solution that reduces the need for frequent repairs or replacements. With this set, you can enjoy improved washing results and a more convenient laundry experience.

What We Like
Wide model compatibility
Durable, corrosion-resistant build
Adjustable water temperature
Long service life
#TOP 8

Dornbracht 9017030260090 Unfinished Diverter

9017030260090
Dornbracht 9017030260090 Unfinished Diverter Cover
Dornbracht 9017030260090 Diverter; in unfinish

The Dornbracht Diverter Valve is a reliable replacement part designed to fit emission diverter systems. This unfinished valve lets you customize or finish it to match your space perfectly. As a replacement part, it offers an easy solution for fixing or upgrading your existing setup without the need for a full system replacement. The valve is built to manage water flow efficiently, giving you better control over your plumbing system. With the Dornbracht Diverter Valve, you get a practical and adaptable option that helps maintain or improve your bathroom or kitchen fixtures with ease.

What We Like
Replacement part
Emission diverter valve
Unfinished for customization
Brand reliability
#TOP 9

GUXPCH DC62-00214L 4-Way Cold Water Valve for Samsung Washers

ZL6ZJSFZJ06L302402
GUXPCH DC62-00214L 4-Way Cold Water Valve for Samsung Washers Cover
DC62-00214L 4-Way Cold Water Valve Compatible with Samsung Washing Machine WD3 WF4 WF5 and More Models Replace AP4341988 PS4208703 1925067

The GUXPCH 4-Way Water Valve is designed to fit various Samsung front load washers, making it a reliable replacement part for your machine. It operates on 120V and 60Hz, ensuring compatibility with your washer's power requirements. This valve automatically regulates the amount of cold water used during different washing cycles, so you save water and avoid unnecessary waste. Additionally, it features an automatic shut-off mechanism that stops water flow once the desired level is reached, protecting your washer from overflows and potential damage. With this valve, you can trust that your washing machine will function efficiently and safely.

What We Like
Wide model compatibility
Automatic water adjustment
Prevents water overflow
Energy efficient operation
#TOP 10

SLWACLL Turbocharger Diverter Bypass Valve 06F145710G for Audi Volkswagen

06F145710G
Black
1/2 inch
SLWACLL Turbocharger Diverter Bypass Valve 06F145710G for Audi Volkswagen Cover
SLWACLL Turbocharger Diverter Bypass Valve 06F145710G Compatible with AUDI VOLKSWAGEN Replaces 06F145710B, 06F145710C, 06F145710G, 06F201282, 06F201282B, 06H145710C, 06H145710D, 06H145710J

The SLWACLL Diverter Valve is designed to fit Audi and Volkswagen turbocharged engines, making it a reliable replacement part for several original equipment numbers. This valve helps regulate boost pressure, ensuring your engine runs smoothly and efficiently. Its design makes installation straightforward, allowing you to replace the old part yourself, saving both time and money. The package includes a vapor canister purge valve and pipe, adding convenience by providing essential components in one kit. Before buying, double-check that the part matches your current valve to avoid any mix-ups. If you need help, customer support is available to assist you.

What We Like
Wide compatibility with Audi and Volkswagen
Includes vapor canister purge valve
Easy self-installation
Replaces multiple OE parts
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are the symptoms of a faulty diverter valve?

A faulty diverter valve in a combi boiler may result in lukewarm water, central heating not working while hot water taps do, or hot water taps only working when the central heating is on. These symptoms indicate that the diverter valve is not functioning properly, and it may need to be replaced or repaired.

2. What issues does a bad diverter valve cause?

A bad diverter valve in a car can lead to several issues. These include rough engine running, decreased gas mileage, and the Check Engine Light turning on. If you are experiencing these problems, it may be necessary to replace the diverter valve in your car.

3. What happens when diverter valve fails?

When a diverter valve fails in a combi boiler, it can result in various symptoms. These include lukewarm water, central heating not working while hot water taps do, or hot water taps only working when the central heating is on. If you notice these issues, it is likely that the diverter valve needs to be replaced or repaired.

Editor's Notes

During our emission diverter valve research, we found 24 emission diverter valve products and shortlisted 10 quality products. We collected and analyzed 3,200 customer reviews through our big data system to write the emission diverter valves list. We found that most customers choose emission diverter valves with an average price of $47.65.

The emission diverter valves are available for purchase. We have researched hundreds of brands and picked the top brands of emission diverter valves, including Gerber, Thetford, Whale, Rendrox, Standard Motor Products. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.