Help protect your air injection pump and hoses from exhaust backflow with the Standard Ignition Air Pump Check Valve / Air Cleaner Check Valve AV7, a one-way valve for the secondary air injection system. It fits many vehicles, among them the 1988-1999 Chevrolet C1500 4.3L / 5.0L / 5.7L / 6.2L / 6.5L / 7.4L, 1988-1999 Chevrolet K1500 4.3L / 5.0L / 5.7L / 6.2L / 6.5L and 1983-1987 Dodge Charger 1.6L / 2.2L. See the Buyer's Guide tab for the full list. Air from the pump flows through the valve toward the exhaust, and exhaust gases are blocked from flowing back into the pump and its hoses.
- Controlled production: Standard is a global manufacturer of emission components and keeps quality control in place through every stage of production, from individual components to the finished valve.
- End-of-line testing: Each valve is tested at the end of the line to check quality in every box.
- OEM performance specifications: Built to OEM performance specifications.
- Diaphragm/spring assembly: The diaphragm/spring assembly is specially designed for precise performance.
Specifications: The thread size is 3/4 x 14 NPT, and the valve is cataloged for the right position. The package contains one valve, sold individually. Quantity per application varies by vehicle, and some applications use two, so check the Buyer's Guide tab for the count on yours. Country of origin: Mexico.
This part is listed under two names: Air Pump Check Valve and Air Cleaner Check Valve.
Signs this part may need replacing: scorched or melted air injection hoses, exhaust noise or odor near the valve, or damage to the air pump from exhaust backflow. Other faults can cause these symptoms, so diagnose the air injection system before you replace the valve.
