---
Title: Suspension Spring KYB RA4000
Description: Part number: RA4000

Simplified part number: RA4000

OEM numbers (Original Equipment Manufacturer):

BMW 31336767376 (31336767376)
BMW 31336767377 (31336767377)
BMW 31336767378 (31336767378)
Language: en-US
Last updated: 2026-01-07
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---

# Suspension Spring KYB RA4000

Breadcrumb: [Suspension Spring KYB RA4000](https://euparts.eu/en/suspension-spring-kyb-ra4000.md)



## Product Info

- **Brand**: KYB
- **Product Line**: K-Flex
- **MPN (Manufacturer Part Numbers)**: RA4000
- **EAN**: 4549762134401
- **Price**: 32.85 EUR

## Parameters:

- weight: 1.82 kg
- Fitting Position: Front Axle
- Spring Design: Coil Spring
- Length: 330 mm
- Outer Diameter: 141 mm
- Thickness 1: 11.8 mm

## Images:

1. [Image 1: Suspension Spring KYB RA4000](https://digital-assets.tecalliance.services/images/1600/9c621ed04d50e893634b70fddaab471f85147420.jpg)
2. [Image 2: Suspension Spring KYB RA4000](https://digital-assets.tecalliance.services/images/1600/d0ba2c714b68507eabc8dbb539d5d4920f1e714f.jpg)