ADT396503 Blue Print Idler Pulley

This pulley is basically a smooth wheel that the serpentine belt wraps around. It doesn’t drive anything directly, it just guides the belt and helps it change direction. It keeps everything flowing smoothly and maintains the right amount of tension on the belt. It also has a screw included, which secures it to the engine. Think of your serpentine belt as the system that powers a lot of things – your alternator, power steering pump, air conditioning compressor, and sometimes even the water pump. This pulley is part of that system, helping the belt wrap around all those components correctly. It’s positioned strategically to make sure the belt has the right path and tension. If this pulley goes bad, it can cause a whole cascade of problems. A worn or seized pulley puts extra stress on the belt and the other components. You’ll notice if it’s failing because you might hear a squealing or chirping sound, especially when you first start the car or when you’re using things like the AC or power steering. Eventually, the belt could break, leaving you stranded. It acts like a shield for the rest of the system, preventing excessive wear. Replacements are pretty straightforward, and you can find a good one at places like Fixparts Online. It's a small part, but it keeps everything running smoothly. Your satisfaction is our mission: Idler Pulley for Serpentine Belt with Screw (MPN ADT396503) includes a 12-month warranty!

About Blue Print

Offering exceptional aftermarket solutions, Blue Print is synonymous with reliability and precision for global automotive needs.

Why Choose Blue Print?

• We offer a huge range of parts for European cars – everything from AdBlue tanks to wheel bearings. • Blue Print parts are made to the same standards as original equipment, so you know they’ll fit and work well. • We’re trusted by garages and car owners across the country for quality and reliability. • You get great value for your money – top quality parts at a competitive price. Blue Print delivers excellence, FixParts Online delivers to your door.