Dayco 5040240 Serpentine Belt

Dayco 5040240 Serpentine Belt Overview

The Dayco 5040240 serpentine belt is built for accessory drive applications that demand stable operation across a wide temperature range. Made from EPDM with aramid reinforcement, it is engineered for consistent belt tracking and durability in systems using a 4-rib K-section profile.

Use this belt for select Hyundai Accent, Mitsubishi Mirage, Dodge Colt, and Ford Escort applications where the listed accessory drive routing matches the vehicle. The Dayco 5040240 is a direct-fit option for multiple OE-style configurations, including power steering, water pump, alternator, and air-conditioning-related drive layouts.

Key Features

• EPDM construction with aramid reinforcement for strength and wear resistance
• 4-rib K-section design with straight rib profile
• Black serpentine belt with .54 top width
• Effective length: 24.02 in. / 610.11 mm
• Outside circumference: 24.68 in. / 626.88 mm
• Operating temperature range: -45°F to 212°F
• Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5040240 is a serpentine belt for accessory drive belt system components, sized for compact routing and OE-style fitment. Its EPDM rubber construction helps maintain flexibility, while aramid reinforcement adds tensile support for demanding accessory loads. The 4-rib, straight-rib K-section profile is suited to applications that require precise belt engagement and steady power transfer.

This part cross-references Motorcraft JK4-250 and Duralast 240K4 for the same application. It is listed for vehicles including Hyundai Accent, Mitsubishi Mirage, and Ford Escort, with fitments covering power steering and water pump, alternator and water pump, and power steering to alternator layouts. The Dayco 5040240 also appears in interchange data for Ford, General Motors, Hyundai, Mitsubishi, and other OE and aftermarket references.

Vehicle Fitment

• Fits 1995-2003 Hyundai Accent, Power Steering and Water Pump
• Fits 1993 Dodge Colt, Water Pump To Power Steering
• Fits 1993 Mitsubishi Mirage, Water Pump To Power Steering
• Fits 1988-1991 Buick Skylark, Alternator To Water Pump
• Fits 1989-1991 Oldsmobile Cutlass Calais, Alternator To Water Pump
• Fits 1989-1991 Pontiac Grand Am, Alternator To Water Pump
• Fits 1988 Oldsmobile Cutlass Calais, Alternator and Water Pump
• Fits 1985-1988 Pontiac Grand Am, Alternator and Water Pump
• Fits 1986-1987 Buick Skylark, Alternator and Water Pump
• Fits 1984-1987 Ford Escort, Power Steering To Alternator, compatible with vehicles containing air conditioning.
• Fits 1984-1987 Mercury Lynx, Power Steering To Alternator, compatible with vehicles containing air conditioning.
• Fits 1985-1987 Oldsmobile Calais, Alternator and Water Pump
• Fits 1984-1986 Ford Tempo, Power Steering To Alternator, compatible with vehicles containing air conditioning.
• Fits 1984-1986 Mercury Topaz, Power Steering To Alternator, compatible with vehicles containing air conditioning.

Installation Notes

Verify belt routing, rib count, and effective length before installation. This belt is specified for the listed accessory drive configurations, so confirm the vehicle’s pulley arrangement and any air-conditioning-related routing notes before ordering. Inspect pulleys, tensioners, and accessory bearings for wear before installing the new belt.

For Hyundai Accent, Mitsubishi Mirage, and Ford Escort applications, match the position and routing exactly to the vehicle listing to ensure proper belt tracking and accessory operation.

Quality Assurance

Dayco manufactures accessory drive components to published SAE J1459 and SAE J2432 standards, with EPDM and aramid-reinforced construction specified for this belt.