Replaces: Stihl-Viking 7004 872 1378 or 6121 931 4572 ___________________________________________________________ Fits: Stihl-Viking43" cut MT415H early models 1994 as the transmission drive belt___________________________________________________________ Belt Details: Width: (inches) 1/2" (mm): 13mmInside circumference (inches) 78" (mm): 1981mmOutside circumference (inches) 80" (mm): 2032mm (non-genuine)Made with KEVLAR™ Please check your manual for the correct belt number as there could be multiple applications.Manufacturers have uploaded manuals online. All parts need to be fitted by a licensed Technician High quality aftermarket replacement belt Certified in manufacture ISO/TS16949:2016 and ISO 14001 OHSAS 18001 These belts meet the 'essential' Health and Safety norms for its entire range of fire-resistant, anti-static belts