{"product_id":"dorman-911-622-secondary-air-injection-check-valve","title":"Dorman 911-622 Secondary Air Injection Check Valve","description":"\u003ch2\u003eReliable Secondary Air Injection Check Valve for Toyota Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 911-622 Secondary Air Injection Check Valve is engineered to maintain optimal emission control in Toyota Sequoia and Tundra models. Constructed from durable cast aluminum, this valve ensures consistent performance within a wide temperature range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Cast aluminum for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eColor\/Finish: Black and silver for durability and visual inspection\u003c\/li\u003e\n\u003cli\u003eInlet and Outlet Size: 0.625 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eMaximum Pressure Rating: 15 psi to handle typical system pressures\u003c\/li\u003e\n\u003cli\u003eValve Type: Reed valve design for reliable one-way airflow\u003c\/li\u003e\n\u003cli\u003eWorking Temperature Range: -40°C to 125°C suitable for various operating conditions\u003c\/li\u003e\n\u003cli\u003ePackage Contents: Includes air check valve, gasket, and secondary mounting bracket for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Design and Precise Fitment for Toyota Sequoia and Tundra\u003c\/h2\u003e\u003cp\u003eThe Dorman 911-622 is specifically designed for the secondary air injection system in Toyota Sequoia and Tundra vehicles. Its cast aluminum construction provides durability and resistance to corrosion, while the black and silver finish aids in long-term reliability. The reed valve mechanism ensures proper one-way airflow, preventing exhaust gases from flowing back into the air injection system. With inlet and outlet sizes of 0.625 inches and a maximum pressure rating of 15 psi, this check valve fits precisely and operates effectively under typical emission control system pressures. The included gasket and mounting bracket simplify installation and help maintain a secure, leak-free connection.\u003c\/p\u003e\u003ch2\u003ePurpose and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents exhaust gas backflow in the secondary air injection system\u003c\/li\u003e\n\u003cli\u003eHelps reduce harmful emissions by ensuring proper air injection\u003c\/li\u003e\n\u003cli\u003eResolves check valve failure symptoms such as rough idle or failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEliminates air injection system leaks that can trigger engine warning lights\u003c\/li\u003e\n\u003cli\u003eMaintains system pressure to support catalytic converter efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with Toyota Sequoia and Tundra models before installation\u003c\/li\u003e\n\u003cli\u003eUse the included gasket and mounting bracket to ensure a secure fit\u003c\/li\u003e\n\u003cli\u003eInspect the air injection system for additional wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications to avoid leaks or damage\u003c\/li\u003e\n\u003cli\u003eTest the system after installation to confirm proper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 911-622 Secondary Air Injection Check Valve undergoes rigorous quality control to ensure durability and reliable performance in Toyota Sequoia and Tundra vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44329600778421,"sku":"BKKY-911-622","price":254.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_911622_Fro.jpg?v=1775012108","url":"https:\/\/www.partcatalog.com\/products\/dorman-911-622-secondary-air-injection-check-valve","provider":"PartCatalog","version":"1.0","type":"link"}