Toyota Sequoia Secondary Air Injection Check Valves

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911-644 Secondary Air Injection Check Valve - Sold individually
Dorman®
911-644 Secondary Air Injection Check Valve - Sold individually
Part Number: RB911644
Vehicle Info Required to Guarantee Fit
$179.99
Product Details
Notes : 6 in. L x 0.76 in. diameter; 0.6 in. ID Port 1 and 2; 0.34 in. Mount Hole Diameter; Aluminum and Plastic Material; (2) PortsProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold IndividuallyWarranty : Lifetime Dorman limited warrantyInterchange Part Number : EC6057, 2571050020, 2571050021, 2571050022, DV178Replaces OE Number : EC6057, 2571050020, 2571050021, 2571050022, DV178Product Fit : Direct Fit
911-607 Secondary Air Injection Check Valve - Sold individually
Dorman®
911-607 Secondary Air Injection Check Valve - Sold individually
Part Number: RB911607
Vehicle Info Required to Guarantee Fit
$189.49
Product Details
Location : Passenger SideNotes : 8 in. Length; 0.88 in. Inlet Size; 0.72 in. Outlet Size; 0.36 in. Mount Hole Diameter; -40 Deg. F. to 250 Deg. F. Working Temperature Range; Aluminum, Brass, and Plastic Material; (2) Ports; Check Valve TypeProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold IndividuallyWarranty : Lifetime Dorman limited warrantyInterchange Part Number : 2570138100Replaces OE Number : 2570138100Product Fit : Direct Fit
911-624 Secondary Air Injection Check Valve - Sold individually
Dorman®
911-624 Secondary Air Injection Check Valve - Sold individually
Part Number: RB911624
Vehicle Info Required to Guarantee Fit
$241.99
Product Details
Location : Driver SideNotes : 8 in. Length; 0.88 in. Inlet Size; 0.72 in. Outlet Size; 0.36 in. Mount Hole Diameter; -40 Deg. F. to 250 Deg. F. Working Temperature Range; Plastic and Aluminum Material; (2) Ports; Check Valve TypeProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold IndividuallyWarranty : Lifetime Dorman limited warrantyInterchange Part Number : 2570238050, AV68Replaces OE Number : 2570238050, AV68Product Fit : Direct Fit
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Helpful Automotive Resources

P0412 Code: Secondary Air Injection System Switching Valve “A” Circuit
P0412 Code: Secondary Air Injection System Switching Valve “A” CircuitDiagnostic trouble code (DTC) P0412 stands for “Secondary Air Injection System Switching Valve ‘A’ Circuit.”
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2The SAI system has a pump that pulls in fresh air through an external filter and passes through each exhaust port before it reaches the connecting hoses or manifold. The system also has one or more check valves located between the manifold and switching valves. These valves help protect the
P2440 Code: Secondary Air Injection System Switching Valve Stuck Open
P2440 Code: Secondary Air Injection System Switching Valve Stuck OpenDiagnostic trouble code (DTC) P2440 stands for “Secondary Air Injection System Switching Valve Stuck Open.” Notice how the diverter (switching) valve in this diagram controls airflow into the exhaust. Note that this is a rudimentary schematic, but it gets the point across. The diverter (switching) valve should be closed unless it