FIRUNDO Automotive Serpentine Belt Reliable Power Transmission for Your Vehicle’s Engine Product Overview The FIRUNDO Serpentine Belt is a premium multi-ribbed drive belt designed to power critical engine accessories—including the alternator, power steering pump, water pump, and A/C compressor—with a single, continuous belt. Engineered to meet or exceed OEM specifications, it ensures consistent performance, durability, and quiet operation for modern vehicles. Key Features & Benefits High-Performance EPDM Rubber Construction Crafted from advanced ethylene propylene diene monomer (EPDM) rubber, this belt resists heat, ozone, and wear—even in high-temperature engine environments. It maintains flexibility and prevents cracking, glazing, or hardening over thousands of miles. Reinforced Polyester Tensile Cords Internal polyester cords deliver exceptional tensile strength (3,000+ PSI), maintaining precise tension and shape under load. This reduces slippage, minimizes power loss, and extends the belt’s service life. Precision-Molded Ribs The multi-ribbed design ensures stable contact with pulleys, promoting silent, vibration-free operation. It eliminates the "squeal" common with worn belts and ensures efficient power transfer. OE-Level Compatibility FIRUNDO belts are engineered to fit your vehicle’s specific drive system, with dimensions and rib counts matched to manufacturer requirements. No modifications are needed for straightforward installation. Low-Maintenance Design Built for long-term reliability, this belt requires no retensioning and performs consistently without frequent inspections—saving you time and maintenance costs.