Standard Motor Products AV56 Secondary Air Injection Pump Check Valve
for 1999 GMC Sonoma 4.3L V6 Gas OHV

Get the Standard Motor Products AV56 Secondary Air Injection Pump Check Valve for your 1999 GMC Sonoma. Buy now and secure your purchase online!

Manufactured to OEM performance specifications utilizing brass or steel-alloy housings for extended service life. Special designed diaphragm/spring assemblies for precision performance. End of the line testing ensures quality in every box. Manufactured with the highest grade materials for prolonged life and superior performance. As a global manufacturer of emission components, complete quality control is maintained through the manufacturing process from componentry to finished product.

36 Months