Product: MICHELIN Automotive Engine Serpentine Belt Tensioner SMAMP40356

Designed with OE-level performance in mind, the MICHELIN SMAMP40356 Serpentine Belt Tensioner provides effective tension for serpentine belt-driven vehicle systems. Premium OE-grade components built with demanding specifications and narrow tolerances ensure a quality product with a long lifespan and improved endurance. The serpentine belt tensioner also comes with a one-year product warranty covering workmanship and material defects.

Manufacturer:  MICHELIN


  • Part Number: SMAMP40356
  • Weight: 2.18 pounds
  • Dimensions: 5.13 x 10.13 x 3.75 inches
  • Origin: China


  • Features premium components for smooth operation
  • Designed to reduce vibration and friction
  • Reduces belt wear while extending belt service life
  • Comes with a one-year product warranty
  • Designed to replace OE part numbers 89356, 419-123, 38286, and 49346


  • Product fitment may vary depending on vehicle make, model, and year


If you need a reasonably priced serpentine belt tensioner for your vehicle, the MICHELIN SMAMP40356 Serpentine Belt Tensioner is a good choice. You’ll get OE-grade build quality that makes it an ideal replacement for original tensioners, plus you’ll have greater peace of mind thanks to the included one-year product warranty. Keep in mind the make, model, and year of your vehicle when choosing this serpentine belt tensioner since product fitment is highly dependent upon these factors.

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