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Your cart is empty.LOYALGLORY Air Pump Check Control Valve,Right Side Secondary Air Injection Check Valve and Gasket, Compatible with Sequoia 2010-2012 & Lexus GX460 2010-2013, 4.6L V8 Toyota Tundra 2010-2013（1PC） Product Description:The secondary air injection check valve plays an important role in reducing vehicle emissions. It promotes combustion of unburned fuel by injecting air into the exhaust pipe when the engine is started, thus reducing harmful emissions, especially during cold starts. A failed check valve can cause check engine light to illuminate and exhaust emissions to increase. If you notice any of these symptoms above, you need to replace your air check valve. Compatible with：Lexus GX460 2010-2013 V8 4.6L; Compatible with Toyota Sequoia 2010-2012 V8 4.6L, Tundra 2010-2013 V8 4.6L Part numbers: 911-607, 911607, 25701-38100, 2570138100
