PLEASE NOTE: Due to tremendous demand, your order is likely to be delayed up to 4-8 weeks. We are doing everything we can to reduce this time. Sorry for the inconvenience, and thank you for your patience.

2009-2010 M90 ROUSHcharged Mustang Serpentine Belt

Part #: 404078

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Application: Mustang (2009/2010)
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International Purchases & Shipping

Prices stated here are only for sales within the continental United States and ordered via the web site. Prices for other territories and countries may vary due to shipping fees, duties, and other factors.

Orders placed via can only be shipped to areas within the continental U.S. If you live outside the U.S., please orders must be placed through an authorized ROUSH dealer.

Product highlights for the 2009-2010 M90 ROUSHcharged Mustang Serpentine Belt:

  • Serpentine belt replacement for 2009-20010 4.6L V8 Mustang with ROUSH’s M90 Supercharger (now discontinued)
  • 3369mm length
  • Contains self-lubricating fabric
  • Exceptional resistance to abrasion
  • Is more affordable than chain drives and runs quieter
  • Features high modulus glass fiber non-stretch cords that deliver precise length stability

This serpentine belt is a direct replacement for 2009-2010 Mustangs with the 4.6L V8 and ROUSH’s M90 supercharger (now discontinued).

Belt Length: 3369mm

The belt contains self-lubricating fabric that provides exceptional resistance to abrasion, resulting in extended pulley and belt life. The molded cog design also runs quieter and is more affordable than chain drives. The belt features high modulus glass fiber non-stretch cords which deliver precise length stability to keep the engine running smoothly over the life of the belt.

Application Mustang (2009/2010)
Difficulty No
Time No
Tools No
Instruction URL No