---
product_id: 499206049
title: "28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit"
brand: "semcto"
price: "₨141021"
currency: LKR
in_stock: false
reviews_count: 8
url: https://www.desertcart.lk/products/499206049-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric
store_origin: LK
region: Sri Lanka
---

# Screw-mounted secure fit Auto on/off pump control Preset vacuum range 0.04-0.06 MPa 28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit

**Brand:** semcto
**Price:** ₨141021
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Keep your brakes sharp and your ride smooth with precision vacuum control!

## Quick Answers

- **What is this?** 28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit by semcto
- **How much does it cost?** ₨141021 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/499206049-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric)

## Best For

- semcto enthusiasts

## Why This Product

- Trusted semcto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pump Life Maximizer:** Prevents constant pump running, extending the lifespan of your electric vacuum pump.
- • **Secure Installation:** Screw mount with glued adjustment screw ensures no loosening or vacuum leaks during transit.
- • **Precision Vacuum Control:** Automatically activates between 0.04 and 0.06 MPa for optimal brake booster performance.
- • **Plug & Play Compatibility:** Perfect fit for 28146 electric vacuum pumps and popular models like AC Delco and 79 Corvette.
- • **Reliable Warranty Support:** Backed by responsive customer service with refund, return, and exchange options for peace of mind.

## Overview

The 28146SW Brake Vacuum Switch is a high-stability, preset vacuum pressure switch designed for 12V electric brake booster pumps. It automatically toggles the pump on/off between 0.04 and 0.06 MPa, preventing pump overuse and extending its life. Compatible with multiple electric vacuum pumps including AC Delco and 79 Corvette models, it features a secure screw mount and glued adjustment screw for leak-free, reliable operation. Supported by a warranty and customer service, it’s a must-have for professional-grade brake system maintenance.

## Description

Name:28146 SwitchNew Electric Brake Vacuum Pump Switch for Booster 28146！Automatically adjusted pressure brake vacuum switch,high stability, hot products in our store!!!☺Very suitable for 28146 brake vacuum pump☺Automatic adjustment according to the preset range.☺Keeps the pump from constantly running and preserves pump life.TIPS:At the connection, be sure to tighten, otherwise there will be leakage, which will affect the use of the pump.WARRANTYWe provide refund returns or free exchanges and other services,If you have any questions, please contact us first.We hope that every one of our customers can be satisfied with our products and services!

Review: Broken of no use - Broken item sent
Review: dont work. - did switching part kept tripping. no use whatso ever. ups return system hopeless tried 3 times and still no joy

## Features

- PERFECT FIT - 28146 Vacuum Pump Switch fit for our electric vacuum pump for brakes,Many customers also like to use it for AC Delco (Hella) vacuum pump and 79 Corvette,etc.
- WORKING VACUUM RANGE - Our booster vacuum pump is designed to kick on when the vacuum falls below 0.04 MPa and kicks off around 0.06 MPa.This switch will turn the pump off or on at a preset amount of vacuum.It is a pressure automatic adjustment switch.
- VACUUM PUMP SWITCH FUNCTION - It keeps the pump from constantly running and preserves pump life.Switch controls vacuum pump on/off bu typically uses a pilot relay between the switch contact and the vacuum pump motor.
- PRESSURE SWITCH AUTOMATIC ADJUSTMENT - To prevent the screw from coming loose in transit, The adjustment screw of the switch has been glued with glue.This range is preset and cannot be adjusted.It will turn the pump off or on at a preset amount of vacuum.
- IMPORTANT TIPS - At the connection, be sure to tighten, otherwise there will be leakage, which will affect the use of the pump.After the correct installation,it works exactly as it's supposed to.If you have any questions, please contact us, we provide warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QMLQC4C |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 185,554 in Automotive ( See Top 100 in Automotive ) 17 in Car Power Brake Systems |
| Colour | 28146 Brake Vacuum Switch |
| Customer Reviews | 3.4 3.4 out of 5 stars (156) |
| Date First Available | 13 Aug. 2022 |
| Item Package Quantity | 1 |
| Item Weight | 95 g |
| Item model number | 28146BP-002 |
| Manufacturer | Semcto |
| Measurement System | Imperial |
| Package Dimensions | 12.1 x 7 x 4.4 cm; 95 g |
| Part number | 28146BP-002 |
| Plug profile | Screw Mount |
| Size | 28146 Brake Vacuum Switch |

## Product Details

- **Brand:** Semcto
- **Connector type:** Screw Terminals
- **Contact material:** Silver
- **Contact type:** Normally Open
- **Mounting type:** Screw Mount

## Images

![28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit - Image 1](https://m.media-amazon.com/images/I/41WwLH0Z4NL.jpg)
![28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit - Image 2](https://m.media-amazon.com/images/I/41Z5H2F5wBL.jpg)
![28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit - Image 3](https://m.media-amazon.com/images/I/41dGVtPDRlL.jpg)
![28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit - Image 4](https://m.media-amazon.com/images/I/41lBVzpDD3L.jpg)
![28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit - Image 5](https://m.media-amazon.com/images/I/51TEXPChv4L.jpg)

## Customer Reviews

### ⭐ Broken of no use
*by J***E on 1 May 2024*

Broken item sent

### ⭐ dont work.
*by G***. on 20 November 2023*

did switching part kept tripping. no use whatso ever. ups return system hopeless tried 3 times and still no joy

### ⭐⭐⭐⭐⭐ A simple solution to lack of vac pump
*by M***S on 7 October 2023*

Item arrived from Amazon U.S. to the UK in 5 days..👍 I've yet to road test it but it appears to work correctly on my car... I was initially confused by the wiring diagram which showed No1 on the relay to be a +. This is ofcourse not a +..... it is a - that comes from the top of the unit...but I think its worth a mention if anyone else spots it and gets confused.

## Frequently Bought Together

- Semcto 28146SW Brake Vacuum Switch Vacuum Pump Switch for 12V Electric Brake Booster Electric Vacuum Pump Kit
- GM Parts Genuine 14047619 Cruise Control Vacuum Harness Check Valve
- Vacuum Pump Power Brake Booster Auxiliary Pump Brake Vacuum Pump Assembly,Vacuum Pump for Brakes,Electric Brake Vacuum Pump

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-14*