# Kobra KBR-5030343 Main Drive Serpentine Belt for 2015-2021 Lexus NX300h

### Performance Overview

Kobra is the definitive name in automatic tensioner, belt and pulley manufacturing. Renowned for its exclusive V-Strong™ EPDM compound formula and Automatic True-Tension™ (ATT) technology, Kobra offers the only truly innovative belts and tensioners on the market. With an ever-expanding distribution network in North America, Kobra has solidified its position as a global leader in the industry. We understand that quality and durability are paramount for replacement parts. Our cutting-edge manufacturing processes, combined with state-of-the-art technology, ensure that every Kobra product exceeds the highest industry standards. When you choose Kobra, you can expect unparalleled durability, exceptional quality, and unrivaled performance. Our products are meticulously tested to withstand the toughest conditions, delivering longevity and peace of mind to our customers. Trust Kobra to keep you moving.This serpentine Belt is listed for 2015-2021 Lexus NX300h. Please review the fitment chart before ordering.

### Key Features

-   Designed as a direct replacement serpentine Belt for compatible vehicle applications
-   Built for dependable daily driving performance and consistent fitment
-   Application-specific design helps support proper installation and function

### Package include:

-   1x Main Drive Serpentine Belt

### Vehicle Fitment

**Fitment Summary:** 2015-2021 Lexus NX300h

**Position:** Main Drive

-   2015-2021 Lexus NX300h — Position: Main Drive

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, fitment precision, and any notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is KBR-5030343.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   serpentine Belt for Lexus NX300h
-   2015-2021 Lexus NX300h serpentine Belt
-   KBR-5030343 fitment
-   Kobra serpentine Belt
-   Main Drive serpentine Belt

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2015

Lexus

NX300h

Main Drive

2016

Lexus

NX300h

Main Drive

2017

Lexus

NX300h

Main Drive

2018

Lexus

NX300h

Main Drive

2019

Lexus

NX300h

Main Drive

2020

Lexus

NX300h

Main Drive

2021

Lexus

NX300h

Main Drive

## Details

- **Price:** 8.47 CAD
- **Vendor:** Kobra
- **Type:** Serpentine Belt
- **Tags:** 2015 Lexus NX300h, 2015-2021 Lexus NX300h, 2015-2021 Lexus NX300h Serpentine Belt, 2016 Lexus NX300h, 2017 Lexus NX300h, 2018 Lexus NX300h, 2019 Lexus NX300h, 2020 Lexus NX300h, 2021 Lexus NX300h, 340K3, 3PK0865, 3PK865, 4030340, 5030343, AI Readable Fitment, belt, K030340, KBR-5030343, Kobra, Kobra KBR-5030343 Serpentine Belt, Kobra Serpentine Belt, Lexus NX300h, Main Drive, Main Drive Serpentine Belt for 2015 Lexus NX300h, replacement auto part, replacement KBR-5030343 Serpentine Belt, Serpentine Belt, Serpentine Belt fitment, Serpentine Belt for Lexus NX300h, Timing belt, vehicle fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.47 CAD | In stock |

## Images

- Kugel_Wheel Bearing Hub Assembly_70-512594

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> Source: [Standard Auto Part](https://standardautopart.myshopify.com/products/main-drive-serpentine-belt-for-2015-2021-lexus-nx300h-kbr-5030343)
> Updated: 2026-06-09