Dayco 5040274 Serpentine Belt - Alternator or Water Pump To Power Steering

Dayco 5040274 Serpentine Belt Overview

The Dayco 5040274 serpentine belt is built for accessory drive applications that demand stable grip, consistent tracking, and dependable operation across a wide temperature range. It is a fitment-based replacement for select Mitsubishi Eclipse and Galant applications, along with several Isuzu and Geo models that use a 4-rib K-section belt.

Made from EPDM with aramid reinforcement, this belt is engineered for durability in everyday driving conditions. The Dayco 5040274 is a direct-fit option for vehicles requiring a black, straight-rib serpentine belt with an effective length of 27.36 in. and an outside circumference of 28.02 in.

Key Features

• EPDM construction with aramid reinforcement for strength and wear resistance
• 4-rib K-section profile for accessory drive applications
• Effective length: 27.36 in. (694.95 mm)
• Outside circumference: 28.02 in. (711.71 mm)
• Top width: 0.54 in.
• Black belt with straight rib profile
• Operating temperature range: -45°F to 212°F
• Built to SAE J1459 and SAE J2432 standards

Fitment Details

• Fits 1995-1999 Mitsubishi Eclipse, Water Pump To Power Steering
• Fits 1994-1998 Mitsubishi Galant, Water Pump To Power Steering
• Fits 1991-1993 Geo Storm, Alternator
• Fits 1991-1993 Isuzu Stylus, Alternator
• Fits 1991-1992 Isuzu Impulse, Alternator
• Fits 1989 Isuzu I-Mark, Alternator

Detailed Description

Dayco 5040274 is a serpentine belt for accessory drive systems that require a 4-rib K-section layout and a precise 27.36-inch effective length. It is a practical replacement for Mitsubishi Eclipse and Mitsubishi Galant water pump to power steering routing, as well as alternator drive applications on Geo Storm, Isuzu Stylus, Isuzu Impulse, and Isuzu I-Mark models. This part cross-references Gates K040274 and Bando 4PK695 for the same application.

The EPDM rubber compound helps the belt maintain flexibility and wear characteristics across cold starts and high-heat operation, while aramid reinforcement adds tensile support for steady belt tracking. If you are searching for a Dayco 5040274 serpentine belt for Mitsubishi Eclipse or a Dayco 5040274 belt for Isuzu alternator drive service, this part matches the listed vehicle applications and dimensions.

Common Problems This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing belt
• Loss of belt tension or inconsistent accessory drive performance
• Charging issues caused by belt slip on alternator applications
• Cooling or steering drive concerns on listed Mitsubishi routing applications

Installation Notes and Tips

Verify the rib count, belt length, and routing before installation. Compare the old belt to the Dayco 5040274 and confirm the vehicle uses the listed position, such as alternator or water pump to power steering, before final fitment. Inspect pulleys, tensioners, and accessory alignment at the same time, since worn components can shorten belt life and affect tracking.

Quality Assurance

This belt is manufactured to SAE J1459 and SAE J2432 standards and uses EPDM with aramid reinforcement for consistent service performance. Dayco is a recognized name in accessory drive components, and the 5040274 is specified for the listed Mitsubishi, Geo, and Isuzu applications.