Secondary Air Injection Check Valve for Toyota Tundra Land Cruiser 911-643 For Sale

Secondary Air Injection Check Valve 911-643 25701-38060 25701-38064 Silver Air Pump Check Valve Compatible with 2007-2021 Toyota Tundra Land Cruiser Sequoia LX570 5.7LAbout the itemThis secondary air injection check valve fixes common vehicle fault codes P2442, P2443, exhaust backflow and air pump system failure for 2007-2021 Toyota 5.7L models. Adopting alloy steel and ABS composite structure, this air injection check valve delivers stable sealing performance and restores normal emission system operation.Features

• Alloy Steel & ABS Durable Composite Structure: Combines high-hardness alloy steel and wear-resistant ABS material, resisting engine cabin high temperature, vibration and corrosion, avoiding valve deformation and leakage for long-term stable operation.
• Precision Anti-Backflow Sealing Performance: Professional one-way valve structure effectively prevents exhaust gas backflow into the secondary air pump, protecting air pump components from burnout and damage to extend system service life.
• Eliminate Common Emission Fault Codes: Standard valve opening and closing sensitivity solves intermittent faults and turns off check engine lights caused by aging valves, resolving P2442 and P2443 system error codes.
• 100% Precise Vehicle Compatibility: Matches 2007-2021 Toyota Tundra, Land Cruiser, Sequoia and LX570 5.7L models perfectly with standard hole positions and interface size for direct bolt-on installation.
• Standard Interface & Plug-and-Play: Strictly follows factory dimension standards including air holes and 5pin electrical connector, ensuring accurate wiring and air circuit matching without modification or cutting.
• Stable Emission System Operation: Optimizes secondary air injection efficiency, improves engine cold start performance, reduces exhaust emissions and maintains vehicle passing emission inspection ItemDetailed SpecsReplacement Part Number911-643, 25701-38064, 25701-38060Compatible Vehicle2007-2021 Toyota Tundra, Land Cruiser, Sequoia, LX570 5.7LMain MaterialAlloy Steel + ABS PlasticAppearance ColorSilverOverall Dimension176*107*125mm (±1mm)Air Hole Spec2 main air holes: 23mm; 2 side air holes: 18mmElectrical Interface24*12mm, 5pin pin connectorMounting Hole Thread5mm inner diameterPackage ContentsSecondary Air Injection Check Valve ×1, Instruction Manual ×1Application ScenariosIdeal for replacing aging or faulty secondary air injection check valves on Toyota 5.7L full-size SUV and truck models. Perfect for repairing P2442/P2443 fault codes, exhaust backflow, air pump abnormal noise and emission system failure in daily vehicle maintenance.