Continental 4070405 OE Technology Series Multi-V Belt 4-rib, 31.9" Multi-V / Serpentine belt Straight-ribbed construction widely recognized by professional repair technicians New construction and compounding improves durability for a longer lasting, quieter ride The aftermarket multi-v belt that's precision engineered for perfect fit, form and function with a true OE pedigree Continental Elite Poly-V belts are transitioning to a familiar straight-ribbed design - OE Technology Series - that matches the OE style belt