Dayco 5060423 Serpentine Belt

Dayco 5060423 Serpentine Belt Overview

The Dayco 5060423 serpentine belt is a K-section accessory drive belt built with EPDM and aramid reinforcement for dependable belt drive performance. It is a 6-rib black belt with a straight rib profile, sized for applications that call for a 42.32 in effective length and 42.98 in outside circumference.

Use this belt for service on select BMW, Genesis, Kia, Volkswagen, Audi, and Nissan applications, including BMW 540i xDrive, BMW 740i, BMW X5, Genesis G70, Kia Stinger, Volkswagen Golf, and Audi A3 fitments listed below.

Key Features

• EPDM construction with aramid reinforcement for durability in accessory drive service
• 6-rib K-section design for proper belt tracking on matched pulleys
• Straight rib profile for consistent contact across the drive system
• Black finish with standard rib depth
• Built to SAE J1459 and SAE J2432 standards
• Part number 5060423 for direct catalog identification

Detailed Product Description

Dayco 5060423 is a serpentine belt engineered for accessory drive systems that rely on a multi-rib belt to turn components such as the alternator, compressor, and idler assemblies. The EPDM rubber compound helps the belt handle heat and everyday underhood exposure, while aramid reinforcement adds tensile strength for stable operation. With a 6-rib K-section profile and a 42.32-inch effective length, this belt is specified for vehicles that require this exact size and rib count. Cross-reference part numbers include Gates K060423 and ACDelco 6K423 for the same application.

Compatible With select BMW 540i xDrive, BMW 740i, BMW X5, Genesis G70, Kia Stinger, Volkswagen Golf, Volkswagen Jetta, Volkswagen Passat, Audi A3, and Nissan Altima applications where the listed belt dimensions and rib configuration match. Verify the existing belt length, rib count, and routing before installation. The Dayco 5060423 is a direct-fit service part for vehicles using this exact accessory drive belt specification.

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 belt grip affecting alternator, compressor, or idler operation
• Incorrect belt length after prior service or replacement
• Drive belt noise caused by age, heat, or contamination

Installation Notes and Tips

Confirm the belt routing diagram and compare the installed belt to the listed dimensions before replacement. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life. This belt is listed for positions including Main Drive, Alternator and Compressor, and Air Conditioning, Alternator and Idler depending on the vehicle application.

• Fits 2024-2026 BMW 540i xDrive, N/A
• Fits 2023-2026 BMW 740i, N/A
• Fits 2024-2026 BMW 740i xDrive, N/A
• Fits 2025-2026 BMW M340i, N/A
• Fits 2025-2026 BMW M340i xDrive, N/A
• Fits 2025-2026 BMW M440i, N/A
• Fits 2025-2026 BMW M440i Gran Coupe, N/A
• Fits 2025-2026 BMW M440i xDrive, N/A
• Fits 2025-2026 BMW M440i xDrive Gran Coupe, N/A
• Fits 2025-2026 BMW X3, N/A
• Fits 2024-2026 BMW X5, N/A
• Fits 2024-2026 BMW X6, N/A
• Fits 2023-2026 BMW X7, N/A
• Fits 2022-2023 Genesis G70, Main Drive
• Fits 2019-2021 Genesis G70, Alternator and Compressor
• Fits 2021 Kia Stinger, Main Drive
• Fits 2018-2020 Kia Stinger, Main Drive
• Fits 2013-2014 Volkswagen Beetle, Main Drive
• Fits 2010-2014 Volkswagen Golf, Main Drive
• Fits 2009-2014 Volkswagen Jetta, Main Drive
• Fits 2012-2014 Volkswagen Passat, Main Drive
• Fits 2010-2013 Audi A3, Main Drive
• Fits 2002-2006 Nissan Altima, Air Conditioning, Alternator and Idler

Quality Assurance

Dayco manufactures accessory drive components to published size and material specifications, and this belt is built to SAE J1459 and SAE J2432 standards for belt performance and construction consistency. Part number 5060423 is identified for the listed vehicle applications and cross-references common aftermarket numbers such as Gates K060423 and ACDelco 6K423.