Gates K050459 Serpentine Belt - Accessory Drive, Power Steering and Air Conditioning or Water Pump and Air Conditioning

Reliable Serpentine Belt for Audi, BMW, Ford, and Mazda Vehicles

The Gates Premium OE Micro-V Belt K050459 is engineered to meet original equipment performance standards. Designed for select Audi, BMW, Ford, and Mazda models, this serpentine belt ensures consistent power transmission to accessory components.

• Top width: 17 mm (0.667 inches)
• Effective length: 1165 mm (45.85 inches)
• Outside circumference: 1179 mm (46.418 inches)
• 5-rib automotive v-ribbed belt (standard)
• Belt material: EPDM for durability and heat resistance
• Cord material: Polyester for strength and flexibility
• Cross section designation: K
• OE comparison rating: OE performance

About the Gates Premium OE Micro-V Belt Line

The Premium OE Micro-V Belt line from Gates is designed to provide reliable, original equipment quality for automotive accessory drive systems. This product line focuses on delivering consistent fit and function, matching the specifications of factory-installed belts. The K050459 serpentine belt is part of this line, offering durability and performance suitable for various European and domestic vehicles.

Product Details and Specifications

This serpentine belt features a 5-rib design with a top width of 17 mm, making it compatible with multiple accessory drive systems. The belt's EPDM construction offers resistance to heat, ozone, and wear, while the polyester cord material provides tensile strength and flexibility. With an effective length of 1165 mm and an outside circumference of 1179 mm, the K050459 belt fits specific models such as the Audi RS4, BMW 850Ci and 850CSi, Ford Probe, and Mazda 626, Protege, and Protege5.

Common Applications and Issues Addressed

• Replacement for worn or cracked serpentine belts in Audi RS4 and BMW 850 series
• Restores proper accessory drive function in Ford Probe and Mazda Protege models
• Prevents belt slippage and noise caused by stretched or damaged belts
• Maintains optimal tension for alternator, power steering, and air conditioning systems
• Helps avoid engine overheating due to accessory drive 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. The K050459 belt is designed for direct replacement without modification on compatible Audi, BMW, Ford, and Mazda models.

Quality Assurance and Warranty

Gates Premium OE Micro-V Belts are manufactured to meet or exceed original equipment specifications. The K050459 serpentine belt undergoes rigorous quality control to ensure durability and performance. While specific warranty details vary by distributor, Gates products typically include a limited warranty against defects in materials and workmanship.