--- product_id: 3275704 title: "22100 Flywheel Locking Tool for 6.6 L Duramax" brand: "lisle" price: "HK$613" currency: HKD in_stock: true category: "Lisle" url: https://www.desertcart.hk/products/3275704-22100-flywheel-locking-tool-for-6-6-l-duramax store_origin: HK region: Hong Kong --- # Compatible with 36mm 12-point socket Specifically designed for 6.6L Duramax engines Saves time by locking flywheel in place 22100 Flywheel Locking Tool for 6.6 L Duramax **Brand:** lisle **Price:** HK$613 **Availability:** ✅ In Stock ## Summary > 🔩 Lock in efficiency, unlock your next repair! ## Quick Answers - **What is this?** 22100 Flywheel Locking Tool for 6.6 L Duramax by lisle - **How much does it cost?** HK$613 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/3275704-22100-flywheel-locking-tool-for-6-6-l-duramax) ## Best For - lisle enthusiasts ## Why This Product - Trusted lisle brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Time-Saving Design:** Eliminates need to remove starter during water pump replacement - • **Durable Machined Finish:** Built to last with premium combination materials and lifetime warranty - • **Precision Flywheel Locking:** Securely locks flywheel for hassle-free harmonic balancer removal - • **Tailored for Duramax Power:** Engineered specifically for 6.6L Duramax with Allison automatic transmissions - • **Versatile Socket Compatibility:** Works seamlessly with 36mm 12-point socket and 3/4" square drive ## Overview The Lisle 22100 Flywheel Locking Tool is a precision-engineered automotive specialty tool designed to securely lock the flywheel on 6.6L Duramax engines with Allison automatic transmissions. It streamlines harmonic balancer removal and water pump replacement by eliminating the need to remove the starter, saving valuable time. Compatible with a 36mm 12-point socket and featuring a durable machined finish, this tool is a must-have for professional-grade engine maintenance backed by a lifetime warranty. ## Description Locks Flywheel in Place When Removing Harmonic Balancer on 6.6L Duramax Engines with Allison Automatic Transmissions.Saves time by locking the flywheel at the transmission instead of having to remove the starter for water pump replacement. On 2500 and 3500 pickups, remove metal spring-loaded inspection plate on the bottom of the transmission. Tool should slide into opening toward engine with the top of the tool engaging the teeth of the flywheel. On 4500 and 5500 trucks, remove the rubber inspection cap on the bottom of the transmission. Insert the tool at the front of the opening to engage the flywheel and hand tighten bolt to hold tool in place. Use 36mm 12 point socket with 3/4" square drive to remove harmonic balancer bolt and re-torque on installation. 36mm 12 point socket can also be used on axle nuts. ## Features - Locks flywheel in place when removing harmonic balancer on 6.6L Duramax engines with Allison automatic transmissions - Saves time by locking the flywheel at the transmission instead of having to remove the starter for water pump replacement - Use 36mm 12-point socket with 3/4 square drive to remove harmonic balancer bolt and retorque on installation - Package dimension is 4.5 inches width by 5 inches height by 2 inches depth ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002MCVPOO | | Best Sellers Rank | #60,975 in Automotive ( See Top 100 in Automotive ) #28 in Engine Flywheel Tools | | Brand | Lisle | | Brand Name | Lisle | | Color | Factory | | Customer Reviews | 4.8 out of 5 stars 1,200 Reviews | | EU Spare Part Availability Duration | 1 Years | | Finish Types | Machined | | Global Trade Identification Number | 00083045221005 | | Head Style | Hex | | Included Components | 36mm 12 pt. Socket, Duramax P/U Flywheel Lock, Duramax 4500/5500 Flywheel Lock, Socket Head Cap Screw | | Item Package Quantity | 1 | | Item Type Name | Flywheel locking tool | | Item Weight | 1.5 Pounds | | Manufacturer | LISLE | | Manufacturer Part Number | 22100 | | Manufacturer Warranty Description | Lifetime | | Material | Combination | | Material Type | Combination | | Model Number | 22100 | | Operation Mode | ON-OFF | | Package Quantity | 1 | | Part Interchange Info | 22100 | | UPC | 083045221005 | | Unit Count | 1.0 Count | | Voltage | 1 Volts | ## Product Details - **Brand:** Lisle - **Color:** Factory - **Head Style:** Hex - **Item Package Quantity:** 1 - **Item Weight:** 1.45 Pounds ## Images ![22100 Flywheel Locking Tool for 6.6 L Duramax - Image 1](https://m.media-amazon.com/images/I/81eji6-rBAL.jpg) ## Frequently Bought Together - Lisle 22100 Flywheel Locking Tool for 6.6L Duramax - ARP 129-2503 Dampener Bolt (GM Durmax) - FEL-PRO ES 71347 Water Pump Mounting Set --- ## 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.hk/products/3275704-22100-flywheel-locking-tool-for-6-6-l-duramax](https://www.desertcart.hk/products/3275704-22100-flywheel-locking-tool-for-6-6-l-duramax) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-15*