---
product_id: 597317512
title: "28146SW Brake Vacuum Switch Vacuum Pump Switch for 12V Electric Brake Booster Electric Vacuum Pump Kit"
brand: "semcto"
price: "KD 30.37"
currency: KWD
in_stock: true
reviews_count: 5
category: "Semcto"
url: https://www.desertcart.com.kw/products/597317512-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric
store_origin: KW
region: Kuwait
---

# 12V coil voltage for seamless integration Automatic vacuum pressure switch (0.04-0.06 MPa) Screw mount for secure, leak-proof installation 28146SW Brake Vacuum Switch Vacuum Pump Switch for 12V Electric Brake Booster Electric Vacuum Pump Kit

**Brand:** semcto
**Price:** KD 30.37
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your brakes sharp and your ride unstoppable!

## 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?** KD 30.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/597317512-28146sw-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

- • **Plug & Play Fit:** Designed for 28146 pumps and compatible with AC Delco (Hella) and classic models like the ’79 Corvette.
- • **Pump Life Guardian:** Prevents constant pump running with built-in check valve, extending your pump’s lifespan.
- • **Leak-Proof Assurance:** Screw mount design ensures tight connections—no leaks, no performance dips.
- • **Hassle-Free Reliability:** Preset, glued adjustment screw prevents accidental tampering and guarantees consistent operation.
- • **Precision Vacuum Control:** Automatically activates between 0.04 and 0.06 MPa for flawless brake booster performance.

## Overview

The 28146SW Brake Vacuum Switch is a precision-engineered 12V automatic pressure switch designed to optimize electric brake vacuum pumps. It activates between 0.04 and 0.06 MPa to maintain ideal vacuum levels, preventing pump overuse and extending pump life. Featuring a secure screw mount and preset, tamper-proof adjustment, it fits seamlessly with 28146 pumps and popular models like AC Delco (Hella) and ’79 Corvette. Backed by warranty and designed for leak-free performance, it’s the smart upgrade for professional-grade brake systems.

## Description

Name:28146 Switch New 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.WARRANTY We 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: I'm using this as a brake vacuum boost pump switch on a custom electric vehicle and it works perfectly. I saw other reviews mention that theirs chatters but mine doesn't chatter at all and works perfectly so far.
Review: Excellent

## Features

- ADD A CHECK VALVE - 28146 Vacuum Pump Switch keeps the pump from constantly running and preserves pump life. Vacuum pump After the pump is shut down, vacuum loss occurs. Simply put a check valve between the pump and the switch and your good to go.
- 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.
- 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.
- 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.
- 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 |
| Are batteries included? | No |
| Brand | Semcto |
| Coil Voltage | 12 Volts |
| Colour | 28146 Brake Vacuum Switch |
| Connector Type | Screw |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Country of Origin | USA |
| Customer Reviews | 3.4 3.4 out of 5 stars (155) |
| Date First Available | 13 August 2022 |
| Item Weight | 95 g |
| Item model number | 28146BP-002 |
| Manufacturer | Semcto |
| Maximum Switching Voltage | 12 Volts |
| Minimum Switching Voltage | 12 Volts |
| Model number | 28146BP-002 |
| Mounting Type | Screw Mount |
| Number of Memory Sticks | 1 |
| Number of Terminals | 3 |
| Operation Mode | Automatic |
| Package Dimensions | 12.1 x 7 x 4.4 cm; 95 g |
| UPC | 709930351526 |

## Product Details

- **Brand:** Semcto
- **Connector Type:** Screw
- **Contact Material:** Copper
- **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/41Z5H2F5wBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by T***S on 20 November 2023*

I'm using this as a brake vacuum boost pump switch on a custom electric vehicle and it works perfectly. I saw other reviews mention that theirs chatters but mine doesn't chatter at all and works perfectly so far.

### ⭐⭐⭐⭐⭐ Review
*by J***S on 29 March 2025*

Excellent

### ⭐ Review
*by J***E on 1 May 2024*

Broken item sent

## 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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**Shop now:** [https://www.desertcart.com.kw/products/597317512-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric](https://www.desertcart.com.kw/products/597317512-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-04*