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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.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | Versa | — | — | Main Drive | — |
| 2019 | Nissan | Versa Note | — | — | Main Drive | — |
| 2018 | Nissan | Versa | — | — | Main Drive | — |
| 2018 | Nissan | Versa Note | — | — | Main Drive | — |
| 2017 | Nissan | Versa | — | — | Main Drive | — |
| 2017 | Nissan | Versa Note | — | — | Main Drive | — |
| 2016 | Nissan | Versa | — | — | Main Drive | — |
| 2016 | Nissan | Versa Note | — | — | Main Drive | — |
| 2015 | Nissan | Versa | — | — | Main Drive | — |
| 2015 | Nissan | Versa Note | — | — | Main Drive | — |
| 2014 | Nissan | Versa | — | — | Main Drive | — |
| 2014 | Nissan | Versa Note | — | — | Main Drive | — |
| 2013 | Nissan | Versa | — | — | Main Drive | — |
| 2012 | Nissan | Versa | 1.6L | L4 | Main Drive | — |
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