Gates K050590 Serpentine Belt

Gates K050590 Premium OE Micro-V Belt

The Gates K050590 is a Premium OE Micro-V serpentine belt built for precise accessory drive performance. It uses OE-matched size, construction, and materials to support consistent operation in demanding import applications, including Audi RS3 and Audi TT RS Quattro fitments.

Key Features

• Premium OE Micro-V belt for accessory drive systems
• 5-rib, standard automotive V-ribbed belt design
• EPDM belt material for durability in heat and wear conditions
• Polyester cord material for stable belt construction
• Top width: 0.667 in. (17 mm)
• Effective length: 59.1 in. (1500 mm)
• Outside circumference: 59.74 in. (1517 mm)
• OE Performance comparison rating

Product Details

Gates builds the K050590 as a precision-fit Micro-V belt for import and domestic vehicles that rely on accurate belt geometry and consistent tensioning. The K-section profile, 5-rib layout, and EPDM construction are specified to match OE dimensions and materials, helping maintain accessory drive function on vehicles such as the Audi RS3 and Audi TT RS Quattro. This part number, K050590, is also referenced in OE-style replacement searches for the same application.

Compatible fitment includes Fits 2017-2020 Audi RS3, N/A; Fits 2022-2026 Audi RS3, N/A; Fits 2018-2020 Audi TT RS Quattro, N/A; and Fits 2021 Audi TT RS Quattro, N/A. This part cross-references 5K590 and 07K145933T for the same application.

What It Helps Address

• Squealing or chirping from a worn serpentine belt
• Cracking, glazing, or rib wear on the accessory drive belt
• Loss of proper belt tracking on OE-style drive systems
• Reduced accessory drive consistency from age-related belt stretch
• Replacement needs for Audi RS3 and Audi TT RS Quattro belt service

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, since belt condition alone does not correct related drive-system issues. Confirm the part number K050590 against the vehicle year and model before ordering.

Quality Assurance

Gates positions this Premium OE Micro-V Belt as an OE-style replacement built to match original size, construction, and material requirements for consistent vehicle performance.