---
Title: Suspension Spring KYB RA4013
Description: Part number: RA4013

Simplified part number: RA4013

OEM numbers (Original Equipment Manufacturer):

BMW 31336787142 (31336787142)
BMW 31336787143 (31336787143)
Language: en-US
Last updated: 2026-01-07
Canonical URL to this Markdown version of this page: [https://euparts.eu/en/suspension-spring-kyb-ra4013.md](https://euparts.eu/en/suspension-spring-kyb-ra4013.md)
Canonical URL to HTML version of this page (for humans): [https://euparts.eu/en/suspension-spring-kyb-ra4013](https://euparts.eu/en/suspension-spring-kyb-ra4013)
---

# Suspension Spring KYB RA4013

Breadcrumb: [Suspension Spring KYB RA4013](https://euparts.eu/en/suspension-spring-kyb-ra4013.md)



## Product Info

- **Brand**: KYB
- **Product Line**: K-Flex
- **MPN (Manufacturer Part Numbers)**: RA4013
- **EAN**: 4549762134661
- **Price**: 30.6 EUR

## Parameters:

- weight: 2.52 kg
- Fitting Position: Front Axle
- Spring Design: Coil Spring
- Length: 387 mm
- Outer Diameter: 158 mm
- Thickness 1: 13 mm

## Images:

1. [Image 1: Suspension Spring KYB RA4013](https://digital-assets.tecalliance.services/images/1600/8ef96e7af03d0322d4d022f2b935f2c18dbcaaea.jpg)
2. [Image 2: Suspension Spring KYB RA4013](https://digital-assets.tecalliance.services/images/1600/fd5b61f0b03d7be66bae6e51fd4e963a804c1dad.jpg)