Mitsubishi Serpentine Belt Tensioner with Pulley - 1AEBT00046

This replacement serpentine belt tensioner is just what you need to get your vehicle in good working order again! If you are hearing a whirring noise from the front of your engine or if your belt often screeches you may be in need of a new belt tensioner. This part commonly wears out between 60,000 and 70,000 Miles. If it fails suddenly it can leave you stranded.


  • Brand new, not rebuilt or remanufactured
  • Includes pulley
  • Replaces dealer part number: MN149179
  • Direct replacement
  • Built to strict quality control standards
  • Fits models with L4 2.4L Engines only

This tensioner makes a great replacement and has good cost savings over a dealer unit.

Item Condition: New

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
perfect fit and quality!!
Have recently purchased struts, control arms, timing belts, and more.
All parts were excellent quality and fit perfectly. Prices were competitive with other mail order outlets and free ( and very fast)
shipping sold me!
April 26, 2018
7 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

Vehicle Fit

Year Make Model Description
2006-2011Mitsubishi Eclipse Mitsubishi Eclipse Serpentine Belt Tensioner with Pulley L4 2.4L
2004-2012Mitsubishi Galant Mitsubishi Galant Serpentine Belt Tensioner with Pulley L4 2.4L
2004-2006Mitsubishi Lancer Mitsubishi Lancer Serpentine Belt Tensioner with Pulley L4 2.4L
2003-2006Mitsubishi Outlander Mitsubishi Outlander Serpentine Belt Tensioner with Pulley

This part replaces:

  • OE # MN149179
Part #: 1AEBT00046

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout