Protex Brake Hose H3939 Ultra-Select Bypass style thermostat with double

Bypass style thermostat with double jiggle pins

Continual research and development has led to a range of features designed to optimize vehicle performance

Manufactured to ISO 9002 Quality Assurance Standards

and reduce engine wear

Anti-viral and anti-bacterial agents within the media eliminate virus and bacteria from the air flow and stop them growing in the filter once trapped

Protex Brake Hose H3939 Ultra-Select Bypass style thermostat with doubleOEM quality brake line hoses Tested to ensure that volumetric expansion, tensile and burst characteristics exceed international specifications Manufactured to SAE J1401 certification Rubber and steel braided variants available