Gates K120400 Serpentine Belt - Fan

Reliable Serpentine Belt for Automotive Applications

The Gates Premium OE Micro-V Belt K120400 is engineered to deliver consistent performance in accessory drive belt systems. Designed with durable materials and precise dimensions, this serpentine belt supports efficient engine operation in various vehicle makes and models.

• Top width of 1.647 inches (42 mm) for accurate fitment
• Effective length of approximately 40.13 inches (1019 mm) ensuring proper tension
• Constructed with polyester cord material for strength and flexibility
• Epdm belt material for enhanced durability and resistance to heat and wear
• 12 rib automotive v-ribbed belt design for smooth power transmission
• Cross section designation K, compatible with standard automotive accessory systems

About the Gates Premium OE Micro-V Belt Line

The Premium OE Micro-V Belt line by Gates is designed to meet original equipment performance standards. This product line focuses on delivering reliable fit and function, using materials such as EPDM and polyester cords to withstand the demands of modern engines. The K120400 belt exemplifies this line’s commitment to durability and consistent operation in accessory drive systems.

Technical Details and Specifications

The K120400 serpentine belt features a top width of 1.647 inches (42 mm) and an effective length of 1019 mm (40.13 inches), making it suitable for vehicles requiring a K-section belt with 12 ribs. The belt’s EPDM construction offers resistance to heat, ozone, and wear, while the polyester cord reinforcement provides tensile strength and flexibility. With an outside circumference of approximately 1034 mm (40.7 inches), this belt maintains proper tension and alignment in the accessory drive system.

Common Applications and Problem Solving

• Replacement for worn or cracked serpentine belts in compatible vehicles
• Addresses belt slippage and squealing issues caused by stretched or damaged belts
• Prevents accessory drive failures by maintaining proper rib engagement
• Helps avoid overheating and power steering problems linked to belt malfunction
• Supports consistent alternator and water pump operation for engine reliability

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Check pulleys and tensioners for wear or damage to prevent premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. Inspect the belt periodically for signs of wear, cracking, or glazing to maintain optimal performance.

Quality Assurance and Warranty

The Gates Premium OE Micro-V Belt K120400 is manufactured to meet OE performance standards, ensuring reliable operation and durability. Gates provides quality assurance backed by rigorous testing protocols. Please refer to Gates’ official warranty terms for coverage details related to defects in materials and workmanship.