Napa 25 40338SF Serpentine Belt Premium Power Series OE Stretch Fit Micro-V Belt Automotive V-Ribbed Belt (Stretch Fit) K04 9/16" x 34 1/4" - Special Installation Tool Required NAPA Belts/Hoses Stretch Fit Micro-V Belts, with exclusive self-tensioning technology, fit like a glove and perform properly on unique stretch fit drive systems. NAPA continues to add coverage to this growing market segment. Specially-formulated adhesive literally locks onto the cord, allowing the cord to elongate and stretch, but never lose tension Specially-engineered tensile cord has the needed combination of strength and flexibility using advanced polyamide tensile cord Patented highly engineered EPDM belt ribs are extremely resistant to contamination, wear and pilling NOTE: Stretch Fit belts are single-use only and must be replaced if removed Specifications Belt Material Ethylene (EPDM) Effective Length 33.74 in Outside Circumference 34.46 in Sub Brand Power OE Series Stretch Fit Micro-V VMRS Code 045-002-073 Cross Section Designation K Quality Level Best V-Belt Type Micro Weight 0.11 Brand NAPA Number of Ribs 4 Manufacturer Gates Belt Construction Bandless Cross Section Designation of Belt K SDS Required No Top Width .56 Cord Material Nylon Vehicle Fitment Guide Make Model Year(s) Ford Focus 2013 -2018 Ford Escape 2013 -2019 Ford Transit Connect 2014 -2018 Lincoln MKC 2015 -2019