Gates K120858 Serpentine Belt

Overview of Gates Premium OE Micro-V Belt K120858

The Gates Premium OE Micro-V Belt part number K120858 is engineered for reliable performance in automotive accessory drive systems. Designed with a 12-rib configuration and constructed from durable EPDM material, this serpentine belt meets original equipment standards for a variety of vehicle makes and models.

• Top width options: 1.647 inches (42 mm)
• Effective length: 85.826 inches (2180 mm)
• Outside circumference: 86.375 inches (2194 mm)
• 12-rib automotive v-ribbed belt (standard)
• Cord material: Polyester for enhanced strength
• Belt material: EPDM for heat and wear resistance
• Cross section designation: K
• OE comparison rating: OE performance

Detailed Product Features and Specifications

The Gates Premium OE Micro-V Belt K120858 is a serpentine belt designed to drive multiple engine accessories such as the alternator, power steering pump, and air conditioning compressor. Its 12-rib design ensures optimal grip and power transmission, while the EPDM belt material provides resistance to heat, ozone, and wear, extending belt life. The polyester cord reinforcement enhances tensile strength and flexibility, maintaining belt integrity under varying engine loads. With an effective length of approximately 85.8 inches and a top width of 1.647 inches, this belt fits specific automotive applications requiring a K-section serpentine belt.

About the Premium OE Micro-V Belt Product Line

The Premium OE Micro-V Belt line from Gates is developed to meet or exceed original equipment specifications, offering consistent performance and durability. This product line focuses on delivering belts with precise fitment and reliable operation for automotive accessory drive systems. The K120858 belt is part of this line, ensuring compatibility with vehicles that require a K-section, 12-rib serpentine belt constructed from EPDM and polyester materials.

Common Applications and Problem Solving

• Replacement for worn or cracked serpentine belts in vehicles requiring a 12-rib K-section belt
• Addresses belt slippage and squealing caused by stretched or glazed belts
• Prevents accessory drive failures due to belt breakage or degradation
• Suitable for vehicles experiencing reduced accessory performance or intermittent power loss
• Compatible with automotive makes and models that specify a 1.647 inch top width and approximately 86 inch circumference serpentine belt

Installation Notes and Tips

• Ensure correct belt routing according to vehicle manufacturer specifications
• Inspect pulleys and tensioners for wear before installation
• Use proper tensioning tools to achieve recommended belt tension
• Verify belt alignment to prevent premature wear
• Consult vehicle-specific service manuals for fitment confirmation

Quality Assurance and Warranty

Gates Premium OE Micro-V Belts are manufactured to meet stringent quality standards, providing OE performance and durability. The K120858 belt is constructed with high-quality EPDM and polyester materials to resist heat, wear, and environmental factors. While specific warranty details vary by distributor, Gates typically offers a limited warranty covering defects in materials and workmanship under normal use.