--- product_id: 177059030 title: "144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models)" brand: "rapartsinc" price: "494785₫" currency: VND in_stock: true reviews_count: 8 category: "Ra Partsinc" url: https://www.desertcart.vn/products/177059030-144c56-garage-door-idler-pulley-made-to-fit-liftmaster-chamberlain store_origin: VN region: Vietnam --- # Compact 2.4" overall diameter Smooth 1/4" pulley width Precision 1/2" mounting hole 144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) **Brand:** rapartsinc **Price:** 494785₫ **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your garage door game with flawless fit & function! ## Quick Answers - **What is this?** 144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) by rapartsinc - **How much does it cost?** 494785₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/177059030-144c56-garage-door-idler-pulley-made-to-fit-liftmaster-chamberlain) ## Best For - rapartsinc enthusiasts ## Why This Product - Trusted rapartsinc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Exact OEM Fit:** Seamlessly replaces LiftMaster, Chamberlain & Craftsman originals - • **Easy Installation:** Direct bolt-on replacement for hassle-free maintenance - • **Precision Dimensions:** 1 3/16" radius & 1/2" hole ensure perfect alignment - • **Smooth Cable Guidance:** 1/4" pulley width prevents cable slippage & slack - • **Durable Aftermarket Quality:** Engineered for long-lasting, reliable garage door operation ## Overview This 144C56 Garage Door Idler Pulley is a precision-engineered aftermarket replacement designed to fit LiftMaster, Chamberlain, and Craftsman square-rail garage door models. Featuring exact OEM dimensions including a 1/2" mounting hole and 2 7/16" overall diameter, it ensures smooth cable operation and reliable door closure. Trusted by professionals and DIYers alike, it restores optimal performance and prevents cable slack or misalignment. ## Description New Aftermarket Garage Door Idler PulleyAll OEM part numbers and logos are to be used for identification purposes only Review: Just like original - Worked perfect, exact replacement for my Chamberlain opener with cog belt. Review: Exactly as described - The idler pulley fit perfectly on the Craftsman Garage Door Opener. The original pulley had cracked and allowed the cable to slide off creating slack in the line which resulted in an incomplete closure. The pulley was an exact fit for the bolt and twisted wire cable. ## Features - Front idler cable pulley for square rail assemblies - Radius: 1 3/16" -- Hole: 1/2" -- Width (Pulley) 1/4" - Overall round size: 2 7/16" - Replaces Original Manufacturer Numbers: 144C56 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B078NZLB58 | | Best Sellers Rank | #337,215 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #396 in Garage Door Opener System Parts | | Date First Available | December 26, 2017 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.64 ounces | | Item model number | OTK20-0406 | | Manufacturer | Aftermarket Liftmaster, Chamberlain, Sears | | Product Dimensions | 5 x 5 x 5 inches | ## Images ![144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - Image 1](https://m.media-amazon.com/images/I/51HOUjonBxL.jpg) ![144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - Image 2](https://m.media-amazon.com/images/I/41xN9-Hgx4L.jpg) ![144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - Image 3](https://m.media-amazon.com/images/I/81Kp1padbdL.jpg) ![144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - Image 4](https://m.media-amazon.com/images/I/71moO5kkf3L.jpg) ![144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - Image 5](https://m.media-amazon.com/images/I/8157q1nMEAL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Just like original *by M***R on June 5, 2024* Worked perfect, exact replacement for my Chamberlain opener with cog belt. ### ⭐⭐⭐⭐⭐ Exactly as described *by R***C on August 29, 2024* The idler pulley fit perfectly on the Craftsman Garage Door Opener. The original pulley had cracked and allowed the cable to slide off creating slack in the line which resulted in an incomplete closure. The pulley was an exact fit for the bolt and twisted wire cable. ### ⭐⭐⭐⭐⭐ Fit my garage door! *by W***Y on January 16, 2023* It was easy to install, fit the garage door idler track (with existing hardware), and has proven effective for my garage door all day. ## Frequently Bought Together - 144C56 Garage Door Idler Pulley Made to Fit LiftMaster, Chamberlain, and Craftsman (Square-Rail Garage Door Models) - LIFTMASTER Garage Door Openers 41A5615 Chain Spreader for Sears - LIFTMASTER Garage Door Openers 144C56 Chain Cable Idler Pulley, Black --- ## 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.vn/products/177059030-144c56-garage-door-idler-pulley-made-to-fit-liftmaster-chamberlain](https://www.desertcart.vn/products/177059030-144c56-garage-door-idler-pulley-made-to-fit-liftmaster-chamberlain) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-20*