OE Quality
60-Day Returns

Vaico V30-4120 Brake Hydraulic Hose - Front Left
Overview of VAICO Brake Hydraulic Hose for Mercedes-Benz 300SEL
The VAICO V30-4120 brake hydraulic hose is designed specifically for the Mercedes-Benz 300SEL, ensuring reliable brake fluid transfer and system integrity. This brake hose meets precise specifications to maintain optimal braking performance and safety.
- Length: 448 mm for exact fitment
- Inner and outer thread size: M 10x1 for secure connections
- Spanner size: 14/14 mm for proper installation torque
- Compact dimensions: 20 mm height and width for compatibility
- Lightweight design at 0.083 kg for ease of handling
Detailed Product Description and Specifications
The VAICO V30-4120 brake hydraulic hose features a length of 448 mm, making it suitable for the brake system layout of the Mercedes-Benz 300SEL. Both the inner and outer threads are sized M 10x1, ensuring a tight and leak-free connection to the brake components. The hose’s height and width are both 20 mm, providing a compact profile that fits within the vehicle’s brake line routing without interference. The spanner size of 14/14 mm allows for proper tightening during installation, reducing the risk of damage or leaks. Weighing only 0.083 kg, this hose is easy to handle and install.
VAICO Brand Line Information
The VAICO brand line specializes in high-quality automotive replacement parts, including brake hoses and pipes engineered for durability and precision fitment. The VAICO V30-4120 is part of this line, reflecting the brand’s focus on meeting exact OEM specifications for vehicles like the Mercedes-Benz 300SEL. This ensures compatibility and reliable performance within the brake hydraulic system.
Common Applications and Issues Addressed
- Replacement of worn or cracked brake hydraulic hoses
- Resolving brake fluid leaks caused by damaged hose threads
- Addressing brake pressure loss due to hose deformation or swelling
- Upgrading to OEM-spec brake hoses for improved system reliability
- Ensuring proper brake fluid flow in Mercedes-Benz 300SEL brake systems
Installation Notes and Tips
When installing the VAICO V30-4120 brake hydraulic hose, ensure the M 10x1 threaded connections are clean and free of debris. Use a 14 mm spanner to tighten fittings evenly without over-torquing, which can damage threads. Verify hose routing matches the original to prevent kinks or abrasion. Bleed the brake system thoroughly after installation to remove air and maintain braking efficiency.
Quality Assurance and Warranty
VAICO brake hydraulic hoses are manufactured to meet stringent quality standards, ensuring durability and safety in brake applications. The V30-4120 part number undergoes rigorous testing to comply with OEM requirements for the Mercedes-Benz 300SEL. Warranty coverage details should be confirmed with the distributor or retailer, as VAICO products typically include limited warranties against manufacturing defects.
| Brand | Vaico |
| Part Number | V30-4120 |
| Position | VAICO, Front Left |
| Height [mm] | 20 |
| Inner thread [mm] | M 10x1 |
| Length [mm] | 448 |
| Outer thread [mm] | M 10x1 |
| Packaging height [cm] | 2 |
| Packaging width [cm] | 2 |
| Spanner Size | 14/14 |
| Weight [kg] | 0.083 |
| Width [mm] | 20 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1972 | Mercedes-Benz | 300SEL | Front Left | Grade: Aftermarket; Thread Size: M10 x 1 x 450- Suitable for brake hydraulic hoses.; VAICO |
| 1971 | Mercedes-Benz | 300SEL | Front Left | Grade: Aftermarket; Thread Size: M10 x 1 x 450- Suitable for brake hydraulic hoses.; VAICO |
| 1970 | Mercedes-Benz | 300SEL | Front Left | Grade: Aftermarket; Thread Size: M10 x 1 x 450- Suitable for brake hydraulic hoses.; VAICO |
| 1969 | Mercedes-Benz | 300SEL | Front Left | Grade: Aftermarket; Thread Size: M10 x 1 x 450- Suitable for brake hydraulic hoses.; VAICO |
| 1968 | Mercedes-Benz | 300SEL | Front Left | Grade: Aftermarket; Thread Size: M10 x 1 x 450- Suitable for brake hydraulic hoses.; VAICO |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.