Pay in 4 interest-free payments of $32.50 Learn more
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
This heater core return hose supplies coolant to the heater core
Cross Reference 721903750
It replaces OEM part number 31126855741
meets OE specifications
This Pierburg EGR valve (secondary air check valve) prevents backflow into the air pump
PIERBURG Air Pump Shut Off/Block Off Valve O This heater core return hoseThis PIERBURG air pump shut off block off valve is used in secondary air injection systems to control airflow during engine warm up. It requires a new gasket (part 11727505259) for installation. Designed as a direct OEM replacement, it helps maintain proper emissions system function. Key Features & Benefits Requires gasket: Sold separately, part number 11727505259. Direct OEM replacement: Meets PIERBURG quality standards. Controls secondary air flow:
