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Don't take chances with old, questionable, or faulty catalytic converter check valves that can cripple your vehicle's emissions system. Standard Motor Products replacement converter check valves are designed to exceed OEM specifications for dependable, maintenance-free operation. Trust your vehicle's electrical system needs to Standard Motor Performance.
Not Yet Reviewed
$21.99
These Standard Motor AIR pump check valves are one-way airflow control valves in the air supply tubes to the exhaust system. They are designed to prevent exhaust gas backflow into the air pump system. The valves can also be used in the air tube to the 3-way catalytic converter.
( 8 )
$11.99
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$19.99
Summit Bucks
ACDelco Gold secondary air injection pump check valves are high-quality aftermarket replacement components for your emission system. These premium steel check valves are manufactured to meet or exceed your expectations for fit and performance. They're available for countless vehicle applications from the 1960s and up
Not Yet Reviewed
$21.99
Failed the emissions inspection? Standard Motor replacement air pumps are the ones to trust when OE falters. Controlling vehicle emissions is important for your car and our environment. SMP replacement pumps are quality-built components that will restore the effectiveness of your vehicle's emission control system with reliable performance. No engine runs at 100 percent efficiency. So, whether you call it an air injection pump, smog pump, or pollution pump, your vehicle needs it to burn those wasted hydrocarbons—and meet emission regulations. Choose Standard Motor air pumps to resolve your emissions issues.
Not Yet Reviewed
$204.99
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$299.99
Summit Bucks
Clear your codes with ACDelco A.I.R. check valves. These direct-fit replacements will restore performance, prevent exhaust gases from flowing back through your air injection system, and turn your "check engine" light off. ACDelco A.I.R. check valves are designed to OE specs to deliver the best fit and function with reliable service.
( 5 )
$92.99
Clearance
Get economical replacement parts with guaranteed performance—Cardone remanufactured smog air pumps! Cardone disassembles, cleans, and replaces worn components and tests their smog pumps so you receive like-new quality at a much lower price. Bearings are 100 percent new and tested for proper installation. New carbon shoes and vanes are installed, and high-temperature grease is used to extend bearing life and the life of the pump. Recycling used parts keeps them from ending up in a landfill! Cardone remanufactured smog air pumps are good for you and good for the environment. Order the model designed for fitment with your vehicle application.
( 1 )
$140.99
$91.50
Clearance
Air injection systems include certain safety checks which prevent exhaust from forcing its way back toward the pump, or from overloading the manifold. Standard Motor A.I.R. diverter valves are one such component. These replacements are manufactured from durable materials, built to factory specs, and will easily install in the stock location. If your bypass, diverter, or check valve is damaged or missing, find the Standard Motor part to fit your specific make and model.
( 1 )
$304.99
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