Dayco 15388 Accessory Drive Belt

Accessory Drive Belt for Classic and Import Applications

Dayco 15388 is an accessory drive belt built from a synthetic rubber compound with a top-cog construction for dependable belt tracking and flexibility. It is sized at 0.44 in. top width, 38.75 in. effective length, and 39.32 in. outside circumference, making it a direct replacement for a wide range of older fan, alternator, power steering, and water pump drive applications.

Use Dayco 15388 when you need a replacement accessory drive belt for vehicles such as the Chevrolet S10, Nissan 210, Saab 900, and Volvo 760. This belt is engineered to meet SAE J636 and SAE J637 standards and is listed under part number 15388 for easy cross-reference.

Key Features

• Synthetic rubber compound for durable belt construction
• Top-cog design for improved flexibility around pulleys
• 0.44 in. top width for the specified accessory drive applications
• 38.75 in. effective length and 39.32 in. outside circumference
• 36-degree angle profile
• Black finish
• Meets SAE J636 and SAE J637 standards

Detailed Description

Dayco 15388 is an accessory drive belt designed for older belt-driven systems that power components such as the alternator, fan, water pump, air pump, or power steering pump. Its top-cog profile helps the belt flex around smaller pulleys and maintain consistent engagement in accessory drive belt system components. This makes it a practical replacement for many classic domestic trucks and SUVs, along with select import vehicles including the Mitsubishi Mighty Max, Dodge Ram 50, Toyota Pickup, and Saab 900. The Dayco 15388 part number is also commonly referenced across multiple aftermarket and OE-style listings.

This part cross-references Gates 8383 and Motorcraft JB-394 for the same application.

What This Belt Helps Address

• Squealing or slipping accessory drive belt noise
• Cracking, glazing, or visible wear on the belt surface
• Poor drive performance for the alternator, fan, water pump, or power steering system
• Incorrect belt length or width on a replacement service
• Loss of belt tension caused by age-related rubber deterioration

Installation Notes and Tips

Verify pulley routing, belt width, and effective length before installation. Confirm whether the vehicle uses fan and alternator, alternator and water pump, power steering, or air pump drive routing, since Dayco 15388 is listed across multiple positions. For fitment-sensitive applications, compare the existing belt number and vehicle configuration before ordering. Compatible With 1990-1996 Mitsubishi Mighty Max, Fan and Alternator; 1981-1993 Saab 900, Alternator and Water Pump; and 1983-1990 Volvo 760, Power Steering.

Quality Assurance

Dayco manufactures this belt to SAE J636 and SAE J637 standards for accessory drive service. The synthetic rubber compound and top-cog construction support consistent performance in the listed applications, including Chevrolet S10, Nissan 210, and Volvo 760 fitments.