DriveAlign Belt Drive Idler Tensioner Pulley 38018 With OE Quality Fit For Most Domestic And Import Vehicles Steel And Thermoplastic Construction For Durability Dirt Salt And Chemical Resistance Keeps Your Under Hood Performance Solid

Idler Pulley 38018-OE-Quality Belt Tensioner for Cars
✔️ Pack of 1, OE-quality fit, steel and thermoplastic build

The idler pulley is a belt component used in most car engines to maintain proper belt tension and routing. It sits along the serpentine belt path under the hood and helps drive accessories like the alternator, power steering, and AC compressor.

✅ Steel and thermoplastic construction for tight manufacturing tolerances and lasting performance.
✅ Built to resist dirt, salt, chemicals, and other under-hood contaminants.
✅ OE-quality fit for most domestic and import vehicles.
✅ Bearings meet or exceed OE standards for high-temperature operation.
✅ Premium bearings reduce noise for smoother operation.
✅ Mounting hardware included for some popular applications.
✅ Dimensions: 70 mm x 17 mm x 26 mm (thermoplastic backside).
✅ Reliable operation under severe engine conditions.

💡 What is an idler pulley used for in a belt drive system?

It helps keep the belt tension correct and guides the belt path to reduce wear and noise.

- belt tensioner pulley for cars and trucks to maintain proper tension - serpentine belt system alignment and reduced wear for longer life - OE-quality belt drive components for broad vehicle compatibility