--- product_id: 393821155 title: "28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit" brand: "semcto" price: "FREE" currency: ARS in_stock: false reviews_count: 5 url: https://www.desertcart.com.ar/products/393821155-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric store_origin: AR region: Argentina --- # Vacuum Range Perfect Fit Automatic Adjustment 28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit **Brand:** semcto **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🚀 Elevate Your Brake System with Precision 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?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/393821155-28146sw-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 - • **User-Friendly:** Easy installation with clear guidelines to prevent leaks and ensure optimal functionality. - • **Longevity Assurance:** Prevents constant running of the pump, extending its lifespan and reliability. - • **Optimal Performance:** Activates at 0.04 MPa and deactivates at 0.06 MPa, ensuring efficient operation. - • **Secure Installation:** Features a glued adjustment screw to maintain settings during transit. - • **Precision Engineering:** Designed for a seamless fit with electric vacuum pumps, including AC Delco and classic models. ## Overview The 28146SW Brake Vacuum Switch is a high-performance component designed for 12V electric brake booster systems. It features a precise vacuum activation range, ensuring efficient operation while prolonging pump life. Ideal for various applications, including AC Delco and classic vehicles, this switch is engineered for reliability and ease of installation. ## 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: Works good - 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: Works as it should - Excellent ## 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 | | Best Sellers Rank | #355,488 in Kitchen ( See Top 100 in Kitchen ) #4,066 in Vacuum Replacement Parts | | Brand | Semcto | | Brand Name | Semcto | | Coil Voltage | 12 Volts | | Connector Type | Screw | | Connector type | Screw | | Contact Material | Copper | | Contact Type | Normally Open | | Contact material | Copper | | Contact type | Normally Open | | Customer Reviews | 3.4 out of 5 stars 157 Reviews | | Manufacturer | Semcto | | Maximum Switching Voltage | 12 Volts | | Minimum Switching Voltage | 12 Volts | | Model | 28146BP-002 | | Mounting Type | Screw Mount | | Mounting type | Screw Mount | | Number of Terminals | 3 | | Operation Mode | Automatic | | Operation mode | Automatic | | Part Number | 28146BP-002 | | 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) ![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/41WwLH0Z4NL.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/61awsrQdTGL.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/61aAIQnkcpL.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/61NgUqoDWDL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works good *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. ### ⭐⭐⭐⭐⭐ Works as it should *by J***S on 29 March 2025* Excellent ### ⭐⭐⭐⭐⭐ Strong *by N***L on 13 February 2026* Yes ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/393821155-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric](https://www.desertcart.com.ar/products/393821155-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-09*