Gates K060374 Serpentine Belt - Alternator or Fan and Alternator

Gates K060374 Premium OE Micro-V Belt

The Gates K060374 is a Premium OE Micro-V serpentine belt built for precise fit and consistent accessory drive performance. It uses OE-matched size, construction, and materials to support proper operation in the accessory drive belt system.

Compatible With 1998-2000 Toyota Sienna fan and alternator applications, this belt is a direct-fit option for vehicles that require a 6-rib K-section belt with an effective length of 37.38 in. The Gates Premium OE Micro-V Belt line focuses on OE-style dimensions and material selection for dependable belt tracking and load transfer.

Key Features

• Part number: K060374
• Premium OE Micro-V Belt line from Gates
• 6-rib automotive V-ribbed belt, standard type
• EPDM belt material for durability in accessory drive service
• Polyester cord material for stable tension retention
• Top width: 0.807 in. / 20 mm
• Effective length: 37.38 in. / 949 mm
• Outside circumference: 37.875 in. / 963 mm
• OE performance comparison rating

Detailed Description

The Gates K060374 serpentine belt is engineered for import and domestic vehicles that rely on a precision-fit Micro-V design. For 1998-2000 Toyota Sienna fan and alternator drive service, it provides the OE-style dimensions needed for proper pulley engagement and accessory operation. The belt’s EPDM construction and polyester cord reinforcement support consistent performance in the accessory drive belt system, while the 6-rib K-section profile helps maintain contact across the pulley grooves.

This part cross-references Dayco 5060374 and Bando 6PK950 for the same application. If you are replacing a worn Toyota Sienna serpentine belt, K060374 is a direct-reference part number to verify against the original belt specification.

What It Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing serpentine belt
• Loss of proper belt tension or belt tracking
• Reduced alternator drive performance
• Fan drive belt wear on listed Toyota Sienna applications

Installation Notes and Tips

Verify the vehicle is a 1998-2000 Toyota Sienna with fan and alternator drive and without AC, as noted in the fitment data. Confirm belt length, rib count, and section before installation, and inspect pulleys, tensioners, and idlers for wear that could shorten belt life. Match the replacement belt to the original routing and specification for the accessory drive system.

Quality Assurance

Gates builds this Premium OE Micro-V Belt to match OE size, construction, and materials for the listed application. The K060374 is specified as an OE performance belt for direct replacement use in the accessory drive system.