Nuline Idler/Tensioner Pulley EP158 Marine when replaced in conjunction with

when replaced in conjunction with the tensioner

Connection Type: 33 Tooth Spline

front end accessory drives and drive belts unless managed effectively by quality Overrunning Alternator Pulleys

long drain

durability and shift quality in modern multi-speed automatic transmissions

Nuline Idler/Tensioner Pulley EP158 Marine when replaced in conjunction withAll engine pulleys incorporate ball bearings that run at very high revolutions relative to engine speed. Increasing belt load and exposure to dirt or moisture accelerate bearing wear. All ball bearings used in Nuline Idler Tensioner Pulleys are from OEM manufacturers and feature C3 rated high speed races, high temperature lubricant and heavy duty silicone seals for maximum service life at high revolutions. Part No.: EP158 Type: 4PK Steel ID: 12mm OD: