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Vaico V20-1790 Power Brake Booster Check Valve
Power Brake Booster Check Valve for BMW 525i
The Vaico V20-1790 is a power brake booster check valve built for a direct-fit service application on the 1995 BMW 525i. It helps maintain proper vacuum retention in the brake booster system, supporting consistent brake pedal feel and reliable brake assist.
With compact dimensions of 75 mm length, 55 mm width, and 30 mm height, this valve is sized for the specified OE-style application. VAICO product line components are selected for vehicle-specific replacement needs, and this part number is listed for the 1995 BMW 525i with OE No. 34331158106.
Key Features
- Part number V20-1790 for brake booster vacuum control service
- Fits 1995 BMW 525i, N/A
- OE reference listed: 34331158106
- Compact housing dimensions: 75 mm long, 55 mm wide, 30 mm high
- Lightweight design at 0.020 kg
- VAICO aftermarket replacement for brake system maintenance
Detailed Description
The Vaico V20-1790 power brake booster check valve is used in the brake vacuum circuit to help preserve vacuum in the booster after engine vacuum drops. For a 1995 BMW 525i, this check valve supports stable brake assist performance by helping prevent reverse airflow in the system. If you are searching for a BMW 525i brake booster check valve, a V20-1790 replacement, or an OE-numbered brake valve for 34331158106, this part matches the listed application.
This part cross-references 1 158 106 and 1 162 684 for the same application.
What It Helps Address
- Hard brake pedal feel caused by vacuum loss in the booster circuit
- Reduced brake assist after engine shutdown
- Vacuum backflow through the brake booster line
- Brake system service needs tied to a worn check valve
- OE-number replacement searches for BMW 525i brake components
Installation Notes and Tips
Verify the OE number and hose connection style before installation. Inspect the surrounding vacuum hose, booster grommet, and fittings for wear or cracking so the new valve can seal correctly. Confirm the valve orientation matches the brake booster vacuum path on the vehicle.
Quality Assurance
VAICO supplies aftermarket replacement parts for vehicle-specific repair applications, and this V20-1790 listing is tied to the stated BMW fitment and OE reference for accurate parts matching.
| Brand | Vaico |
|---|---|
| Part Number | V20-1790 |
| Position | VAICO |
| Height [mm] | 30 |
| Length [mm] | 75 |
| Packaging height [cm] | 3 |
| Packaging width [cm] | 5,5 |
| Weight [kg] | 0.020 |
| Width [mm] | 55 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | BMW | 525i | Wagon | 2.5L | L6 | N/A | Grade: Aftermarket; With OE No. 34331158106; VAICO |
| 1995 | BMW | 525i | Sedan | 2.5L | L6 | N/A | Grade: Aftermarket; With OE No. 34331158106; 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.