Product Description - Short: 4PK960 Serpentine AAIA Part Type Description: Serpentine Belt Label Description: Rib Ace Precision Engineered V-Ribbed Belt Product Description - Long: 4PK960 OEM Quality Serpentine Belt 4 Ribs x 960mm or 4 Ribs x 37.8 Inches Specifications Effective Length (in): 37.8 Effective Length (mm): 960mm Inch Number: 378K4 Rib Quantity: 4 Top Width: 0.56 Interchanges Manufacturer Part Number 4K378 CONTITECH PK040378 DAYCO 5040378 Gates K040378 GMC 12554028 GMC 12569346 GMC 12576447 GOODYEAR 4040377 Hyundai 97713-33340 Inches 378K4 KIA 1K2AA-15-908 MITSUBISHI MD308925 NAPA 4PK960 NAPA Belts/Hose 25-040378.