Dayco 2B17500 Accessory Drive Belt - Alternator or Fan

Dayco 2B17500 Accessory Drive Belt

The Dayco 2B17500 accessory drive belt is a banded cogged belt built from a synthetic rubber compound for consistent operation in accessory drive systems. With 2 ribs, a 1.13-inch top width, and SAE J636 / SAE J637 compliance, it is a practical replacement choice for vehicles that use a 2-rib banded serpentine-style belt.

Key Features

• Part number: 2B17500
• Brand: Dayco
• Accessory drive belt for belt-and-pulley systems
• Synthetic rubber compound construction
• Banded cogged design with 2 ribs
• Top width: 1.13 in.
• Outside circumference: 51.07 in. (1297.18 mm)
• Effective length: 50.00 in. (1270.00 mm)
• Operating temperature range: -35 to 175 degrees
• Black finish
• Built to SAE J636 and SAE J637 standards

Product Details

Dayco 2B17500 is an accessory drive belt engineered for vehicles that require a 2-rib, banded cogged belt with a 40-degree angle profile. The banded construction helps maintain belt stability in accessory drive applications, while the synthetic rubber compound supports dependable performance across a wide temperature range. If you are searching for a Dayco 2B17500 belt for a Honda Civic or other vehicle using this belt specification, verify the belt dimensions and rib count against the original part before ordering.

This part cross-references Gates 2/9500PB and ACDelco 2T17500 for the same application.

Common Replacement Uses

• Replacing a worn or cracked accessory drive belt
• Addressing belt noise from glazing, hardening, or rib wear
• Restoring proper accessory drive operation after belt stretch
• Correcting belt slippage caused by age or heat exposure
• Matching a 2-rib banded belt specification on select Honda Civic applications

Installation Notes

Confirm the belt length, rib count, and outside circumference before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since these conditions can shorten belt life. For vehicles such as Honda Civic applications that use this belt size, compare the original belt markings to Dayco 2B17500 to ensure the correct replacement.

Quality Assurance

Dayco manufactures this belt to SAE J636 and SAE J637 standards, with a temperature range from -35 to 175 degrees for broad operating conditions. The 2B17500 part number is a direct reference for ordering and catalog matching.