Gates K050418 Serpentine Belt

Gates Premium OE Micro-V Belt K050418

The Gates Premium OE Micro-V Belt K050418 is a precision-fit serpentine belt built for accessory drive systems that demand OE-style size, construction, and material match. With a 5-rib design, EPDM belt material, and polyester cord reinforcement, it is built for consistent belt tracking and dependable operation across import and domestic applications.

Key Features

• Premium OE Micro-V belt from Gates
• Part number: K050418
• 5-rib automotive V-ribbed belt design
• EPDM belt material for durability in accessory drive service
• Polyester cord material for stable tension and strength
• OE performance rating with OE-size construction
• Top width: 0.667 in. (17 mm)
• Effective length: 41.8 in. (1062 mm)
• Outside circumference: 42.375 in. (1076 mm)

Product Details

Gates Premium OE Micro-V belts are engineered to match original equipment dimensions and materials, helping maintain proper drive performance in serpentine belt systems. The K050418 uses a K-section profile and standard V-ribbed construction to support accessory operation in vehicles that rely on a single belt to drive multiple components. This part number is listed for applications including Volkswagen Jetta, Volkswagen Golf, Volkswagen Golf SportWagen, Volkswagen Bora, Audi TT RS Quattro, and Mitsubishi Mirage.

This part cross-references Continental 4050418 and Dayco 5050417 for the same application.

Common Problems This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing serpentine belt
• Loss of proper drive to the alternator, water pump, power steering, or air conditioning
• Belt stretch or tension inconsistency in the accessory drive system
• Reduced accessory performance caused by belt slippage

Installation Notes and Tips

• Verify belt routing against the vehicle’s accessory drive diagram before installation.
• Inspect pulleys, tensioners, and idlers for wear or misalignment before fitting the new belt.
• Confirm the belt profile, rib count, and length match the original application.
• For fitment-specific searches, this part fits 2005-2016 Volkswagen Jetta, alternator and water pump; 2010-2014 Volkswagen Golf, alternator and water pump; and 2011-2013 Audi TT RS Quattro, alternator, water pump and power steering.
• Additional fitment includes 2010-2013 Volkswagen Golf SportWagen, alternator and water pump; 2005-2010 Volkswagen Bora, alternator and water pump; and 2000-2002 Mitsubishi Mirage, power steering and air conditioning.

Quality Assurance

Gates builds this Premium OE Micro-V Belt to OE performance standards using advanced construction that matches original size and materials. The result is a replacement serpentine belt intended to support consistent accessory drive operation in the listed Volkswagen, Audi, and Mitsubishi applications.