--- product_id: 277425036 title: "28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit" brand: "semcto" price: "€ 3.24" currency: EUR in_stock: false url: https://www.desertcart.hr/products/277425036-28146sw-brake-vacuum-switch-12v-electric-brake-booster-kit store_origin: HR region: Croatia --- # 12V coil voltage for seamless integration Automatic vacuum pressure switch operation Screw terminal connectors for secure fit 28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit **Brand:** semcto **Price:** € 3.24 **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 - 12V Electric Brake Booster Kit by semcto - **How much does it cost?** € 3.24 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/277425036-28146sw-brake-vacuum-switch-12v-electric-brake-booster-kit) ## 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 to perfectly fit Semcto and popular models like AC Delco and 79 Corvette pumps. - • **Pump Life Guardian:** Built-in check valve prevents constant pump running, extending pump lifespan. - • **Leak-Proof Installation:** Screw terminals and tight connections prevent vacuum leaks for consistent performance. - • **Precision Vacuum Control:** Activates between 0.04 MPa and 0.06 MPa for reliable brake vacuum management. - • **Maintenance-Free Adjustment:** Preset and glued adjustment screw ensures stable, tamper-proof operation. ## Overview The Semcto 28146SW Brake Vacuum Switch is a 12V automatic pressure switch designed to optimize electric brake booster vacuum pumps. Featuring a built-in check valve, it prevents pump overuse and extends pump life by activating between 0.04 and 0.06 MPa vacuum levels. Its preset, glued adjustment screw ensures reliable, maintenance-free operation, while screw terminal connectors guarantee a secure, leak-proof fit compatible with multiple pump models including AC Delco and 79 Corvette. Ideal for professionals seeking dependable brake vacuum management in custom or OEM setups. ## Description Buy Semcto 28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit: Air Conditioning Line Repair Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | | Best Sellers Rank | #1,177,122 in Automotive ( See Top 100 in Automotive ) #2,408 in Air Conditioning Line Repair Tools | | Brand Name | Semcto | | Coil Voltage | 12 volts | | Connector Type | Screw | | Contact Material | Copper Alloy | | Contact Type | Normally Open | | Customer Reviews | 3.4 3.4 out of 5 stars (161) | | Manufacturer | Semcto | | Maximum Switching Voltage | 12 volts | | Minimum Switching Voltage | 12 volts | | Model | 28146BP-002 | | Mounting Type | Screw Mount | | Number of Items | 1 | | Number of Terminals | 3 | | Operation Mode | Automatic | | Part Number | 28146BP-002 | | UPC | 709930351526 | ## Product Details - **Brand:** Semcto - **Connector Type:** Screw - **Contact Material:** Copper Alloy - **Contact Type:** Normally Open - **Mounting Type:** Screw Mount ## Images ![28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit - Image 1](https://m.media-amazon.com/images/I/41Z5H2F5wBL.jpg) ![28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit - Image 2](https://m.media-amazon.com/images/I/41WwLH0Z4NL.jpg) ![28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit - Image 3](https://m.media-amazon.com/images/I/41lBVzpDD3L.jpg) ![28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit - Image 4](https://m.media-amazon.com/images/I/41dGVtPDRlL.jpg) ![28146SW Brake Vacuum Switch - 12V Electric Brake Booster Kit - Image 5](https://m.media-amazon.com/images/I/51TEXPChv4L.jpg) ## 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.hr/products/277425036-28146sw-brake-vacuum-switch-12v-electric-brake-booster-kit](https://www.desertcart.hr/products/277425036-28146sw-brake-vacuum-switch-12v-electric-brake-booster-kit) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-21*