--- product_id: 321690463 title: "Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain Sears Craftsman 1/3 and 1/2 HP Chain Drive Models" brand: "tck tech" price: "268.72 DT" currency: TND in_stock: true category: "Tck Tech" url: https://www.desertcart.tn/products/321690463-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain store_origin: TN region: Tunisia --- # Fits 1/3 & 1/2 HP chain drive models Precision-engineered gear & sprocket Complete installation kit included Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain Sears Craftsman 1/3 and 1/2 HP Chain Drive Models **Brand:** tck tech **Price:** 268.72 DT **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your garage game with precision & power! ## Quick Answers - **What is this?** Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain Sears Craftsman 1/3 and 1/2 HP Chain Drive Models by tck tech - **How much does it cost?** 268.72 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/321690463-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain) ## Best For - tck tech enthusiasts ## Why This Product - Trusted tck tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Thousands:** Rated 4.7 stars by over 7,700 users who upgraded with confidence. - • **DIY Friendly Tutorial:** Step-by-step installation guide ensures you’re back in control fast. - • **Seamless Compatibility:** Works flawlessly with Chamberlain, Sears, Craftsman & LiftMaster chain drive openers (1984-current). - • **All-in-One Installation Kit:** Includes gear, sprocket, worm gear, grease, and bearings for a hassle-free upgrade. - • **Durability Meets Performance:** Heavy-duty components engineered to extend your garage door opener’s lifespan. ## Overview The TCK Replacement Gear and Sprocket Kit is a premium, all-inclusive repair solution designed for 1/3 and 1/2 HP chain drive garage door openers by Chamberlain, Sears, Craftsman, and LiftMaster. Featuring precision-engineered parts and a comprehensive installation tutorial, it guarantees a durable, seamless fit for models dating back to 1984, backed by a stellar 4.7-star rating from thousands of satisfied customers. ## Description TCK Replacement parts for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models ## Features - Includes installation tutorial - Kit Includes: Gear and sprocket, worm gear, grease, motor shaft bearings, sprocket bearings - Compatible with chain drive chamberlain sears craftsman operators 1984-current - Compatible with chamberlain, sears, craftsman and lift master 1/3 and 1/2 HP chain drive models, replacement parts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07H4XYNPS | | ASIN | B07H4XYNPS | | Brand Name | TCK TECH | | Customer Reviews | 4.7 4.7 out of 5 stars (7,744) | | Customer reviews | 4.7 4.7 out of 5 stars (7,744) | | Date First Available | 3 October 2018 | | Is Discontinued By Manufacturer | No | | Item model number | 54101-212542AT | | Manufacturer | TCK TECH | | Manufacturer | TCK TECH | | Model | 54101-212542AT | | Package Dimensions | 15.39 x 11.61 x 11.51 cm; 481 g | | Part Number | 54101-212542AT | ## Images ![Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain Sears Craftsman 1/3 and 1/2 HP Chain Drive Models - Image 1](https://m.media-amazon.com/images/I/71kM7tVhJ4L.jpg) ## Questions & Answers **Q: 41ac050-1 will this work?** A: The part # you are giving is the main board. The sprocket does have a separate part#. You're better off getting the kit in case other parts are broken that you didn't know about. Anyway, the kit doesn't cost much more than just the sprocket. This is used in multiple door openers, very common. **Q: Does this work for model 139.54985** A: read on the website OR it fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models **Q: Will this kit work with a linear ldo50 garrage door opener?** A: No it won't Liftmaster/Chamberlain are different manufacturer than the LDO50 which is made by Linear **Q: I have this craftsman motor, and my gear assy is the same, but..mine is belt, not chain. can i just swap the sprocket out ?** A: I dont think you can the gear and sprocket is one assembly your top is for chain drive not belt it won't come apart from what I saw with my repair. ## Frequently Bought Together - Replacement for Liftmaster 41c4220a Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models - HIMARKLIF Upgrade Aluminum Alloy Drive and Worm Gear Kit Compatible with LiftMaster Craftsman Chamberlain Master Mechanic Garage Master Door Opener Access System Replace# 41A2817 41C4220 41C4220A - Drive Gear 81B0045 for Liftmaster Chamberlain Craftsman Sears Garage Door Opener 41A2817 41C4220A --- ## 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.tn/products/321690463-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain](https://www.desertcart.tn/products/321690463-replacement-for-liftmaster-41c4220a-gear-and-sprocket-kit-fits-chamberlain) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-21*