Roadmax 8K645AP Serpentine Belt - Fan or Fan and Alternator

Reliable Serpentine Belt for Dodge D250, D350, W250, and W350

The Roadmax 8K645AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for your Dodge D250, D350, W250, and W350 models. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient power transmission to your vehicle's accessory systems.

• Constructed from EPDM material for enhanced durability and heat resistance
• Top width of 1.087 inches (28 mm) for optimal fit and grip
• Contains 8 ribs for smooth and reliable operation
• Polyester cord material for strength and flexibility
• Effective length of 64.67 inches (1643 mm) to match exact OEM specifications
• Outside circumference of 65.29 inches (1658 mm) for precise fitment
• OE performance grade type ensuring compatibility and reliability

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

The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering serpentine belts that meet original equipment performance standards. This product line emphasizes durability and fitment accuracy, making it suitable for a range of automotive applications including the Dodge D250, D350, W250, and W350. The 8K645AP part number is part of this line, designed to maintain consistent accessory drive system operation under standard conditions.

Product Details and Specifications

The Roadmax 8K645AP serpentine belt features an EPDM rubber compound known for its resistance to heat, ozone, and wear, which contributes to a longer service life. The belt’s 8-rib design ensures efficient power transfer to multiple engine accessories such as the alternator, power steering pump, and air conditioning compressor. The polyester cord reinforcement provides tensile strength and flexibility, reducing the risk of belt stretch or breakage. With an effective length of 64.67 inches and an outside circumference of 65.29 inches, this belt matches the exact dimensions required for proper fitment on compatible Dodge trucks.

Compatible Applications and Common Issues Addressed

• Replacement for worn or cracked serpentine belts on Dodge D250, D350, W250, and W350
• Eliminates belt slippage that causes accessory malfunction
• Resolves squealing noises due to belt wear or misalignment
• Prevents overheating of engine components by maintaining proper belt tension
• Restores efficient power delivery to accessory drive systems

Installation Notes and Tips

Before installing the Roadmax 8K645AP serpentine belt, inspect pulleys and tensioners for wear or damage. Ensure the belt routing matches the vehicle’s diagram to avoid misalignment. Use a belt tension gauge or follow manufacturer guidelines to set proper tension. Avoid twisting or forcing the belt during installation to prevent premature damage.

Quality Assurance and Warranty

Roadmax Automotive V-Ribbed Belts are manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Roadmax products typically undergo rigorous quality control to maintain consistent performance in automotive accessory drive systems.