Dayco 5030455 Serpentine Belt - Power Steering

Dayco 5030455 Serpentine Belt Overview

The Dayco 5030455 serpentine belt is a K-section accessory drive belt built for consistent power transfer in the engine accessory drive system. It uses EPDM with aramid reinforcement for durability, with a straight rib profile and black finish for dependable operation in the specified application.

Compatible with 1989-1990 Nissan 240SX power steering applications, this belt is sized for the correct effective length and rib configuration. If you are replacing a worn Nissan 240SX power steering belt, Dayco 5030455 provides a direct-fit service part reference for the listed vehicle coverage.

Key Features

• EPDM construction with aramid reinforcement for strength and wear resistance
• 3-rib K-section design for the listed accessory drive application
• Straight rib profile for stable belt tracking
• Black belt finish
• Meets SAE J1459 and SAE J2432 standards
• Effective length: 1155.70 mm / 45.50 in
• Outside circumference: 1172.47 mm / 46.16 in
• Operating temperature range: -45°F to 212°F

Detailed Description

Dayco 5030455 is a serpentine belt engineered for the accessory drive system on the 1989-1990 Nissan 240SX power steering application. The belt’s EPDM compound is paired with aramid reinforcement to support long-term service in demanding underhood conditions, while the 3-rib K-section profile and standard rib depth help maintain proper belt engagement. This part number is also referenced in the aftermarket under cross-reference numbers such as Gates K030455 and Bando 3PK1155 for the same application.

For buyers searching for a 1989 Nissan 240SX power steering serpentine belt or a 1990 Nissan 240SX power steering replacement belt, Dayco 5030455 matches the listed fitment and dimensional specifications. The belt is intended for accessory drive use where correct length, rib count, and profile are critical to reliable operation.

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 proper belt tension due to age-related stretch
• Power steering drive issues caused by belt slippage
• Incorrect belt length or rib count on a previous replacement

Installation Notes and Tips

Verify the existing belt routing and compare the rib count, effective length, and outside circumference before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since damaged components can shorten belt life. Confirm the application is the power steering position on the 1989-1990 Nissan 240SX before ordering or installing Dayco 5030455.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards, with EPDM and aramid reinforcement selected for accessory drive service. The part number 5030455 is specified for the listed Nissan 240SX power steering application and is supported by published dimensional and material data.