HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5030455 Serpentine Belt - Power Steering
Part #: 5030455

Dayco 5030455 Serpentine Belt - Power Steering

Power Steering
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, 240SX
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Overview of Dayco Serpentine Belt 5030455 for Nissan 240SX

The Dayco serpentine belt part number 5030455 is engineered for reliable performance in Nissan 240SX vehicles. Constructed with EPDM and aramid reinforcement, this belt offers durability and consistent operation under various temperature conditions.

  • Material: EPDM with aramid fiber reinforcement for enhanced strength
  • Top Width: 0.40 inches
  • Effective Length: Approximately 45.5 inches (1155.70 mm)
  • Outside Circumference: Approximately 46.16 inches (1172.47 mm)
  • Rib Quantity: 3 ribs with a straight rib profile
  • Cross Section: K-section design
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Complies with SAE J1459 and SAE J2432 standards

Technical Details and Construction

This serpentine belt is designed with a K-section cross section and three straight ribs, providing optimal grip and flexibility for accessory drive systems. The EPDM material combined with aramid reinforcement enhances resistance to heat, wear, and stretching, ensuring consistent tension and long service life. The belt’s dimensions, including a top width of 0.40 inches and an outside circumference near 46 inches, are tailored to fit the accessory drive system of the Nissan 240SX precisely.

Compatible Vehicles and Applications

This Dayco serpentine belt 5030455 is specifically compatible with Nissan 240SX models. It is intended for use in the accessory drive belt system, helping to transfer power to components such as the alternator, power steering pump, and air conditioning compressor.

  • Eliminates slipping or squealing noises caused by worn belts
  • Prevents accessory drive system failures due to belt degradation
  • Maintains proper tension to avoid premature wear of pulleys and bearings
  • Resists cracking and fraying under extreme temperature variations

Installation Notes and Tips

When installing the Dayco serpentine belt 5030455 on a Nissan 240SX, ensure the belt is routed correctly according to the vehicle’s belt routing diagram. Inspect pulleys and tensioners for wear before installation to avoid premature belt failure. Use proper tensioning tools to achieve the recommended belt tension and avoid over-tightening, which can damage belt ribs and accessory components.

Quality Assurance and Standards Compliance

Dayco serpentine belt 5030455 meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for durability and performance. The EPDM and aramid reinforced construction supports reliable operation within a wide temperature range from -45°C to 100°C (-49°F to 212°F). While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to meet OEM specifications.

BrandDayco
Part Number5030455
ColorBlack
Cross SectionK-Section
Effective Length45.50
Effective Length1155.70
MaterialEPDM, Aramid Reinforced
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-45
Minimum Operating Temperature-42.7
Outside Circumference46.16
Outside Circumference1172.47
Rib DepthStandard
Rib ProfileStraight Rib
Rib Quantity3
StandardsSAE J1459, SAE J2432
Top Width.40

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1990Nissan240SXPower Steering
1989Nissan240SXPower Steering

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3K455

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.