Dayco 5070443 Serpentine Belt - Main Drive

Brand Dayco 5070443
Position Main Drive
Color Black
Cross Section K-Section
Effective Length 44.29
Effective Length 1124.97
Material EPDM, Aramid Reinforced
Maximum Operating Temperature 100
Maximum Operating Temperature 212
Minimum Operating Temperature -45
Minimum Operating Temperature -42.7
Outside Circumference 44.85
Outside Circumference 1139.19
Rib Depth Standard
Rib Profile Straight Rib
Rib Quantity 7
Standards SAE J1459, SAE J2432
Top Width .96
Fits Nissan · 14 vehicles

Aramid reinforced. EPDM construction adds strength and durability under demanding conditions.

Straight rib profile. Helps maintain smooth, efficient power transfer.

SAE standards. Built to meet SAE J1459 and SAE J2432 requirements.

Cross-references ACDelco 7K443, Datsun/Nissan 11720-1KT0A and Duralast 443K7 for the same application. See all 6.

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Dayco 5070443 Serpentine Belt Overview

The Dayco 5070443 serpentine belt is built for accessory drive service with EPDM construction and aramid reinforcement for added strength. It is a 7-rib, K-section belt with a straight rib profile, made for consistent power transfer in the accessory drive belt system.

Compatible with select Nissan Versa and Nissan Versa Note applications, this belt is a direct-fit option for main drive service on covered vehicles. The Dayco 5070443 is engineered to meet SAE J1459 and SAE J2432 standards.

Key Features

  • EPDM rubber construction with aramid reinforcement
  • 7-rib, K-section design for accessory drive applications
  • Straight rib profile for stable belt tracking
  • Black finish
  • Effective length: 1124.97 mm / 44.29 in
  • Outside circumference: 1139.19 mm / 44.85 in
  • Top width: 0.96 in
  • Operating temperature range: -45°F to 212°F
  • Built to SAE J1459 and SAE J2432 standards

Detailed Description

Dayco 5070443 is a serpentine belt for the main drive system on 2012-2019 Nissan Versa and 2014-2019 Nissan Versa Note models. Its EPDM compound is selected for durability in accessory drive service, while aramid reinforcement adds tensile support for demanding underhood conditions. The 7-rib layout and straight rib profile help maintain consistent contact across the pulley system, supporting smooth operation of driven accessories.

This part cross-references Gates K070443 for the same application. Use Dayco 5070443 when replacing a worn or noisy belt on Nissan Versa or Nissan Versa Note main drive systems.

What This Belt Helps Address

  • Squealing or chirping from a worn serpentine belt
  • Cracking, glazing, or rib wear on the belt surface
  • Loss of accessory drive performance from belt stretch
  • Uneven belt tracking across accessory pulleys
  • Service replacement for main drive belt wear on Nissan Versa and Versa Note

Installation Notes and Tips

Verify pulley alignment, tensioner condition, and routing before installation. Match the belt length, rib count, and cross section to the original application for 2012-2019 Nissan Versa and 2014-2019 Nissan Versa Note main drive service. Inspect related accessory drive components for wear that could shorten belt life.

Quality Assurance

Dayco manufactures this belt to SAE J1459 and SAE J2432 standards for accessory drive belt applications. The EPDM and aramid-reinforced construction is specified for durability in a wide operating temperature range.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019NissanVersaMain Drive
2019NissanVersa NoteMain Drive
2018NissanVersaMain Drive
2018NissanVersa NoteMain Drive
2017NissanVersaMain Drive
2017NissanVersa NoteMain Drive
2016NissanVersaMain Drive
2016NissanVersa NoteMain Drive
2015NissanVersaMain Drive
2015NissanVersa NoteMain Drive
2014NissanVersaMain Drive
2014NissanVersa NoteMain Drive
2013NissanVersaMain Drive
2012NissanVersa1.6LL4Main Drive
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 7K443Datsun/Nissan — 11720-1KT0ADuralast — 443K7Gates — K070443Goodyear — 4070443NAPA — 25-070443