--- product_id: 12104616 title: "Chamberlain Liftmaster 41A4373A Safety Sensors" price: "€ 90.46" currency: EUR in_stock: true url: https://www.desertcart.pt/products/12104616-chamberlain-liftmaster-41a4373a-safety-sensors store_origin: PT region: Portugal --- # Direct splice-in wiring, no rewiring hassle Green LED for instant status Compatible with 1993-90s LiftMaster & Chamberlain Chamberlain Liftmaster 41A4373A Safety Sensors **Price:** € 90.46 **Availability:** ✅ In Stock ## Summary > 🛡️ Upgrade your garage safety with vintage precision and modern ease! ## Quick Answers - **What is this?** Chamberlain Liftmaster 41A4373A Safety Sensors - **How much does it cost?** € 90.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/12104616-chamberlain-liftmaster-41a4373a-safety-sensors) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Thousands:** With a 4.7-star rating from over 1,400 users, these sensors are a proven upgrade for peace of mind. - • **Effortless Installation:** Includes wire connectors and instructions to splice directly into your existing wiring—no need for new brackets or complex setups. - • **Reliable Infrared Safety:** Infrared eye sensors prevent accidents by detecting obstructions, keeping your garage and loved ones safe. - • **Instant Visual Confirmation:** Green LED indicator on each sensor provides real-time operational status, so you know your safety system is active. - • **Seamless Vintage Compatibility:** Designed specifically for LiftMaster & Chamberlain garage door openers from the 1990s, ensuring perfect fit and function. ## Overview The Chamberlain Liftmaster 41A4373A Safety Sensors are infrared replacement sensors designed for 1993 to late 1990s LiftMaster and Chamberlain garage door openers. Featuring green LED indicators for operational clarity and easy splice-in wiring, these sensors ensure reliable obstruction detection and enhanced safety. Trusted by thousands with a 4.7-star rating, they come complete with sending and receiving units, wire connectors, and installation instructions—no brackets needed. ## Description The 41A4373A Sensors are Replacement Safety Sensors (infrared eye) for 1993-late 1990's operators with the Safety Sensor option. Billion code series with the Green LED light***Not compatible with sensors that have Red LED lights ***If your sensors have a green light on one sensor and an orange light on the the other, you need the 41a5034 sensors.**** ## Features - For garage door openers that currently have sensors installed - 41A4373A Sensors are compatible with LiftMaster and Chamberlain Brand from 1993 - late 1990's - Each sensor has a green light and a bolt that runs right through the center of each sensor - Designed to splice into your existing wires - Includes 1-sending unit, 1-receiving unit, Wire connectors, and instructions - no brackets ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0006N1RH6 | | Best Sellers Rank | #620,685 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #168 in Garage Door Sensors #136,874 in Hardware | | Color | Black | | Customer Reviews | 4.7 4.7 out of 5 stars (1,440) | | Date First Available | April 22, 2004 | | Item Package Quantity | 1 | | Item Weight | 4 ounces | | Item model number | 41A473A | | Manufacturer | Liftmaster | | Number Of Pieces | 2 | | Package Dimensions | 6.02 x 3.94 x 2.32 inches | | Part Number | 41A473A | | Power Source | Corded-electric | ## Images ![Chamberlain Liftmaster 41A4373A Safety Sensors - Image 1](https://m.media-amazon.com/images/I/81GMG9azvoL.jpg) ![Chamberlain Liftmaster 41A4373A Safety Sensors - Image 2](https://m.media-amazon.com/images/I/413ozMBNBzL.jpg) ![Chamberlain Liftmaster 41A4373A Safety Sensors - Image 3](https://m.media-amazon.com/images/I/4178ydjw4bL.jpg) ![Chamberlain Liftmaster 41A4373A Safety Sensors - Image 4](https://m.media-amazon.com/images/I/41sxRF6UAAL.jpg) ## Questions & Answers **Q: Are the 2 items , 1 receiver and 1 sender?** A: Yes there is 1 receiver and 1 emitter **Q: I need to replace two garage door sensors. Is this the sending or receiving sensor? Is this one pair of both receiving and sending sensor? Thanks.** A: it is a pair that includes both a sending and a receiving sensor, which is all you need. good luck. **Q: How do you differentiate between the sending unit and the receiving unit?** A: It has it by the wiring coming in to the unit **Q: Will these work with a Liftmaster 1046 that came with no sensors? I saw indication the "Model 70" sensor might work.** A: No they won't time to replace your opener ## Frequently Bought Together - Chamberlain Liftmaster 41A4373A Safety Sensors - Chamberlain LiftMaster 41A6569 Metal Wall Mount Garage Door Sensor Bracket, Silver, 1 Count --- ## 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.pt/products/12104616-chamberlain-liftmaster-41a4373a-safety-sensors](https://www.desertcart.pt/products/12104616-chamberlain-liftmaster-41a4373a-safety-sensors) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-13*