Roadmax 6K423AP Serpentine Belt - Alternator, Alternator and Air Conditioning or Water Pump

Reliable Automotive V-Ribbed Belt for BMW and Nissan Models

The Roadmax Automotive V-Ribbed Belt (Standard) 6K423AP is engineered to provide consistent performance for select BMW and Nissan vehicles. Designed with durable EPDM material and a six-rib configuration, this serpentine belt ensures efficient power transmission for accessory drive systems.

• Constructed from high-quality EPDM for enhanced durability and heat resistance
• Six-rib design (rib quantity: 6) for optimal grip and reduced slippage
• Polyester cord material for added tensile strength and flexibility
• Top width of 20 mm (.807 inches) for precise fitment
• Effective length of 1074 mm (42.3 inches) and outside circumference of 1089 mm (42.875 inches)
• Cross section designation: K, compatible with standard automotive accessory drive systems

Product Line: Automotive V-Ribbed Belt (Standard)

The Roadmax Automotive V-Ribbed Belt (Standard) line focuses on delivering reliable serpentine belts designed to meet OEM specifications for various vehicle makes and models. This product line emphasizes standard cross-section designs and materials like EPDM and polyester cords to ensure long-lasting performance in accessory drive belt systems.

Detailed Product Description

The Roadmax 6K423AP serpentine belt is manufactured using EPDM (ethylene propylene diene monomer) rubber, known for its resistance to heat, ozone, and wear. The belt features a six-rib configuration that provides consistent contact with pulleys, reducing the risk of slippage and premature wear. Reinforced with polyester cords, this belt maintains its shape and tensile strength under varying engine loads. With a top width of 20 mm and an effective length of approximately 1074 mm, it is designed to fit specific BMW models such as the 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 540i xDrive, 740i, 740i xDrive, M340i, M340i xDrive, X5, X6, and X7, as well as Nissan Altima models.

Compatible Vehicles and Common Applications

• Replacement for worn or cracked serpentine belts on BMW 430i and 430i Gran Coupe models
• Serves as a durable accessory drive belt for BMW 540i xDrive and 740i xDrive vehicles
• Suitable for Nissan Altima models requiring a 6-rib serpentine belt
• Addresses issues such as belt squealing, slipping, or loss of accessory function
• Helps maintain proper operation of alternator, power steering, and air conditioning systems

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to prevent premature belt failure. Use appropriate tools to relieve tension on the belt tensioner during removal and installation. Verify belt alignment and tension after installation to avoid noise and ensure optimal performance.

Quality Assurance and Warranty

Roadmax Automotive V-Ribbed Belts are manufactured to meet industry standards for durability and performance. The 6K423AP part number undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided, Roadmax products typically adhere to manufacturer guidelines for replacement in case of defects.