Roadmax 4K338AP Serpentine Belt - Air Conditioning or Power Steering

Reliable Automotive V-Ribbed Belt for Select Vehicles

The Roadmax 4K338AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for various automotive applications. Designed with durable EPDM material and polyester cords, this serpentine belt supports efficient accessory drive operation in vehicles like BMW 320i, Chrysler Sebring, and Toyota Tundra.

• Constructed from high-quality EPDM for enhanced durability and heat resistance
• Four-rib design with a top width of 14 mm (.56 inches) for optimal grip and flexibility
• Polyester cord material ensures strength and longevity under tension
• Effective length of 860 mm (33.86 inches) and outside circumference of 874 mm (34.375 inches)
• Cross section designation K, compatible with standard automotive accessory drive systems

About the Roadmax Automotive V-Ribbed Belt (Standard) Line

The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering reliable serpentine belts designed to meet OEM specifications for a range of vehicles. This product line emphasizes material quality and precise dimensions to ensure proper fit and function in accessory drive belt systems. The 4K338AP part is a representative example, engineered to maintain consistent tension and reduce slippage in compatible vehicles.

Product Details and Specifications

The Roadmax 4K338AP serpentine belt features a four-rib design with a top width of 14 mm (.56 inches), providing a balance between flexibility and strength. Its EPDM rubber construction offers resistance to heat, ozone, and wear, which is critical for maintaining performance over time. The polyester cord reinforcement enhances tensile strength, helping the belt withstand the stresses of engine operation. With an effective length of 860 mm (33.86 inches) and an outside circumference of 874 mm (34.375 inches), this belt fits specific automotive applications requiring a K-section belt.

Compatible Vehicles and Common Applications

• BMW 320i, 745i, 745Li
• Chrysler Sebring
• Dodge Avenger
• Mazda Miata
• Nissan Altima
• Toyota Tundra, X5

This serpentine belt is suitable for accessory drive systems in these models, helping to drive components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Belt

• Worn or cracked belts causing slipping or noise
• Loss of proper tension leading to accessory malfunction
• Heat and ozone degradation reducing belt lifespan
• Incompatible belt dimensions causing improper fit
• Reduced engine efficiency due to belt failure

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 proper tensioning tools to achieve manufacturer-recommended belt tension. Avoid twisting or forcing the belt during installation to maintain cord integrity.

Quality Assurance and Warranty

The Roadmax 4K338AP belt is manufactured to meet industry standards for material and dimensional accuracy. While specific warranty details are not provided, Roadmax products typically undergo quality control testing to ensure reliable performance in compatible vehicles.