Dayco 5040368 Serpentine Belt

Dayco 5040368 Serpentine Belt Overview

The Dayco 5040368 serpentine belt is built for accessory drive applications that demand stable grip, consistent routing, and dependable operation across a wide temperature range. Made from EPDM with aramid reinforcement, it is engineered for vehicles that use a 4-rib K-section belt profile.

Use this belt for select applications such as Toyota Tercel power steering, Mitsubishi Eclipse alternator and water pump drives, and Chevrolet Tracker fan and alternator setups. The Dayco 5040368 is also cross-referenced to common OE and aftermarket numbers for the same application.

Key Features

• EPDM construction with aramid reinforcement for durability in accessory drive service
• 4-rib, K-section design with deep, straight ribs for consistent belt tracking
• Black finish
• Effective length: 36.81 in. (934.98 mm)
• Outside circumference: 37.47 in. (951.74 mm)
• Top width: 0.54 in.
• Operating temperature range: -45°F to 212°F
• Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5040368 is a serpentine belt for accessory drive systems that require a 4-rib K-section profile. Its EPDM rubber construction helps maintain flexibility, while aramid reinforcement adds strength for demanding belt routing and continuous engine operation. The deep, straight-rib profile supports consistent contact across pulleys, which is important in applications such as the Mitsubishi Eclipse, Toyota Tercel, and Chevrolet Tracker.

This part number, 5040368, also cross-references Gates K040367 for the same application. Additional interchange references include ACDelco 4K367 and NAPA 25-040367.

What This Belt Helps Address

• Squealing or slipping caused by a worn accessory drive belt
• Cracking, glazing, or fraying on an aging serpentine belt
• Loss of drive to the alternator, water pump, fan, air conditioning, or power steering in listed applications
• Incorrect belt length or rib profile during replacement
• Reduced belt stability in high-heat or low-temperature operating conditions

Installation Notes and Fitment

Verify pulley count, belt routing, and rib profile before installation. This belt is listed for multiple accessory positions, including fan and alternator, air conditioning and idler, air conditioning, power steering, alternator and water pump, and power steering and water pump applications. Fitment examples include:

• Fits 2002-2004 Chevrolet Tracker, fan and alternator
• Fits 2004 Suzuki Vitara, fan and alternator
• Fits 1997-1999 Mitsubishi Montero Sport, air conditioning and idler
• Fits 1995-1998 Mitsubishi Eclipse, air conditioning and idler
• Fits 1996-1998 Suzuki X-90, air conditioning
• Fits 1992-1998 Toyota Paseo, power steering
• Fits 1996-1997 Toyota Tercel, power steering
• Fits 1991-1994 Toyota Tercel, power steering
• Fits 1994-1996 Buick Roadmaster, fan
• Fits 1994-1996 Cadillac Commercial Chassis, fan
• Fits 1994-1996 Cadillac Fleetwood, fan
• Fits 1994-1996 Chevrolet Caprice, fan
• Fits 1994-1996 Chevrolet Impala, fan
• Fits 1992-1994 Geo Tracker, air conditioning and power steering
• Fits 1990-1994 Mitsubishi Eclipse, alternator and water pump
• Fits 1990-1994 Plymouth Laser, alternator and water pump
• Fits 1994 Suzuki Sidekick, air conditioning; serpentine belt compatible with vehicles equipped with power steering
• Fits 1991-1993 Suzuki Sidekick, air conditioning and power steering
• Fits 1989-1992 Toyota Cressida, air conditioning and idler
• Fits 1991 Chevrolet Tracker, air conditioning and power steering
• Fits 1985-1990 Dodge Colt, alternator and water pump
• Fits 1990 Nissan 240SX, alternator
• Fits 1989 Nissan 240SX, fan and alternator
• Fits 1987-1989 Nissan Pulsar NX, power steering and water pump
• Fits 1985-1988 Mitsubishi Mirage, alternator and water pump
• Fits 1987-1988 Nissan 200SX, fan and alternator

Quality Assurance

Dayco manufactures accessory drive components to SAE J1459 and SAE J2432 standards, supporting consistent fit and performance expectations for service replacement. Confirm the vehicle’s belt routing and accessory configuration before ordering the Dayco 5040368.