Secondary Air Injection Check Valve 2571050031 For 2007-2009 Toyota Tundra 4.7L

Secondary Air Injection Check Valve for Toyota Tundra

This secondary air injection check valve, referenced as 2571050031, controls airflow in the emissions system for 2007-2009 Toyota Tundra 4.7L models.

Overview

This secondary air injection check valve is a replacement emissions component referenced under part number 2571050031 for 2007-2009 Toyota Tundra trucks with the 4.7L engine. The valve helps regulate air flow into the exhaust stream during cold starts to support emissions compliance. A direct-fit option for owners addressing secondary air system codes.

Built For Performance

• One-way check valve design prevents backflow in the secondary air circuit
• Seals against exhaust pressure and heat underhood
• Direct replacement footprint for the original mounting point
• Metal body construction suited to high-temperature engine bay conditions

Fits These Machines

• for Toyota Tundra 2007 4.7L
• for Toyota Tundra 2008 4.7L
• for Toyota Tundra 2009 4.7L

On-The-Job Use

• Replacing a failed check valve triggering secondary air injection codes
• Restoring cold-start emissions system function
• Routine maintenance on high-mileage 4.7L Tundra trucks

Specs At A Glance

Good To Know

Q: Will this valve clear a secondary air injection trouble code? A: If the code traces to a stuck or leaking check valve, replacing it often resolves the fault. Always diagnose the full air injection circuit before ordering.

Q: Is this an original Toyota part? A: This is an aftermarket replacement valve built to fit the listed application. It is not an original Toyota part.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.