--- product_id: 499206049 title: "28146SW Brake Vacuum Switch Vacuum Pump Switch For 12V Electric Brake Booster Electric Vacuum Pump Kit" brand: "semcto" price: "AR$1357" currency: ARS in_stock: false reviews_count: 9 url: https://www.desertcart.com.ar/products/499206049-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric store_origin: AR region: Argentina --- # 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:** AR$1357 **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?** AR$1357 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/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: Strong - Yes 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 | | Best Sellers Rank | 207,001 in Automotive ( See Top 100 in Automotive ) 22 in Car Power Brake Systems | | Brand | Semcto | | Coil Voltage | 12 Volts | | Connector Type | Screw Terminals | | Contact Material | Silver | | Contact Type | Normally Open | | Customer Reviews | 3.5 3.5 out of 5 stars (158) | | Manufacturer | Semcto | | Manufacturer Part Number | 28146BP-002 | | Maximum Switching Voltage | 12 Volts | | Minimum Switching Voltage | 12 Volts | | Model Number | 28146BP-002 | | Mounting Type | Screw Mount | | Number of Terminals | 2 | | Operation Mode | Automatic | | UPC | 709930351526 | ## 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/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 ### ⭐⭐⭐⭐⭐ Strong *by N***L on 13 February 2026* Yes ### ⭐ 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 ### ⭐ Broken of no use *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 --- ## 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/499206049-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric](https://www.desertcart.com.ar/products/499206049-28146sw-brake-vacuum-switch-vacuum-pump-switch-for-12v-electric) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-10-30*