Autotecnica TY0318506 Secondary Air Injection Check Valve - Left

Secondary Air Injection Valve for Toyota

This Autotecnica secondary air injection check valve is a direct-fit emission control replacement for select Toyota trucks and SUVs. Built from aluminum with a 2-port design and M6 x 1.0 thread diameter, it supports precise routing in the secondary air injection system on 2007-2009 Toyota Tundra and 2008-2009 Toyota Sequoia, left side applications.

Key Features

• Autotecnica TY0318506 secondary air injection check valve
• Aluminum construction for emission system service
• 2-port configuration for secondary air flow control
• M6 x 1.0 thread diameter and 9 mm mounting hole diameter
• 152 mm overall length
• Direct replacement for select Toyota Tundra and Toyota Sequoia applications

Detailed Description

Autotecnica TY0318506 is a secondary air injection check valve used in the emission control system to manage air flow in the secondary air injection circuit. It is engineered for select 2007-2009 Toyota Tundra and 2008-2009 Toyota Sequoia left-side applications, making it a practical OE-style replacement when the original valve is worn, sticking, or no longer sealing properly. This part cross-references Dorman OE Solutions 911-622 for the same application.

Autotecnica manufactures aftermarket components for Asian and North American vehicles under ISO/TS 16949 quality management standards, giving technicians and DIY owners a replacement option that aligns with OEM-level fit and function expectations. The TY0318506 part number is also referenced in interchange listings for related OE and aftermarket cataloging.

What It Helps Fix

• Secondary air injection fault codes related to valve performance
• Restricted or improper air flow in the emission control system
• Check valve leakage that can affect cold-start emissions operation
• Driveability issues caused by a failing air injection valve
• Replacement needs on a Toyota Tundra or Toyota Sequoia left-side application

Installation Notes and Tips

Verify the vehicle year, model, and left-side location before ordering. Confirm the thread diameter, mounting hole diameter, port count, and overall length against the original part to ensure proper fitment. For best results, inspect connected hoses, fittings, and nearby emission components during replacement so the new valve can seal and operate correctly.

Quality Assurance

Autotecnica builds this part under ISO/TS 16949 QMS specifications and backs its aftermarket line with a two-year, unlimited mileage warranty. TY0318506 is a solid replacement choice for technicians and owners servicing Toyota emission control systems.